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Transcript of Catalyst 9400 Architecture - clnv.s3.amazonaws.com · Catalyst 9400 Architecture Kenny Lei...
Catalyst 9400 Architecture
Kenny Lei
Technical Marketing Engineer
BRKARC-3873
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Cisco Spark
Questions? Use Cisco Spark to communicate with the speaker after the session
1. Find this session in the Cisco Live Mobile App
2. Click “Join the Discussion”
3. Install Spark or go directly to the space
4. Enter messages/questions in the space
How
cs.co/ciscolivebot#BRKARC-3873
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Session Goal
• To provide a thorough understanding of the Catalyst 9400 hardware architecture, packet flows and key forwarding components
• This session will also examine Catalyst 9400 software architecture, ACL and QoS
• No discussion on other Catalyst platforms
4
BRKARC-3873 4
• Overview
• Architecture
• Forwarding
• ACL
• QoS
• High Availability
• Conclusion
Agenda
Overview
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 7BRKARC-3873
A New Era in Networking
Voice
Video
Data
Previous Era
Mobility
Security
Cloud
IOT
New Era
Software Defined Access
(SD-Access)
(Catalyst 9K Series)
- Policy Based Automation from Edge to CloudSD-Access
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
7-Slot 10-Slot
Redundancy
is now
Table-stakes
Ready for
100W PoE
480G BW
per slot
Catalyst 9400
Modular Access Platform
BRKARC-3873 8
Hardware
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
7 - Slot 10 - Slot
Supervisor 2 (Redundant)
Line Cards 5 8
Ports 240x 10/100/1000120 mGig; 128 SFP/SFP+
2x QSFP+
384x 10/100/1000192 mGig; 200 SFP/SFP+
2x QSFP+
Dimension W:17.5”; D:16.25”; H:10RU W: 17.5”; D:16.25”; H: 13RU
BW per LC Slot 480G 480G
BW between Sup Slots 720G
Power Supply 8 PS (N+1 and N+N)
PoE per slot 4,800W
Cooling Side to Side (Front-to-Back for PS)
Chassis
High Density 10G Ports, 100G Uplinks
Ready for future higher power PoE devices
BRKARC-3873 10
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Blue Beacon
• Chassis/Fan tray, Supervisor, Line cards, and PS have the beacon
• Identify the hardware during configuration and trouble shooting
• Turn on and off by using software control (No button except FanTray)
Supervisor Line Card PSChassis/FanTray
BRKARC-3873 11
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Built-in Passive RFID
RFID on
Every FRUable
Components of
Catalyst 9400
RFID
BRKARC-3873 12
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Sample RFID Tag DataSN = 'FOC2109Q023’
PID = 'C9410R'
VID = 'V00'
TAN = '68-100900-02'
TAN Rev = '10'
CLEI = 'UNDEFINED'
Index = '900'
Encode = 'SGTIN-198‘
Filter = '0‘
Partition = '5'
Company = '0746320' Built-in Passive RFID
Inventory Management (Tracking) has never been Easier
RFID
BRKARC-3873 13
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Sup-1 - Overview
Uplinks:
8x 10G / 2x 40G
Line Card Slot BW:
7 Slot: 80G
10 Slot: 80G (> 150Byte)720G LCs/Uplinks
MACSec256
2.4Ghz Quad Core x86 CPU
UADP 2.0 XL ASICs
USB 2.0/3.0
16G DRAM and 16G Flash
M.2 SATA SSD
(Optional: Upto 1TB)
BRKARC-3873 14
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Sup-1XL - Overview
15BRKARC-3873
Uplinks:
8x 10G / 2x 40G
Line Card Slot BW:
7 Slot: 120G (>150Byte)
10 Slot: 80G (> 150Byte)720G LCs/Uplinks
MACSec256
2.4Ghz Quad Core x86 CPU
UADP 2.0 XL ASICs
USB 2.0/3.0
16G DRAM and 16G FlashM.2 SATA SSD
(Optional: Upto 1TB)
Optimized for Core deployment
Templates: Distribution,
Core, SD Boarder, NAT
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
RJ45 (UPoE)48x 10/100/1000
PoE/PoE+; PoE/PoE+/UPoE
TrustSec and MACSec(256)
Line Cards - Copper
16BRKARC-3873
RJ45 (Data)48x 10/100/1000
TrustSec and MACSec(256)
48x 10/100/1000 Data
48x 10/100/1000 PoE/PoE+
24x 1G + 24x mGig UPoE
48x 10/100/1000 PoE/Poe+/UPoE
RJ45 (mGig)24x 10/100/1000 + 24x 100/1G/2.5G/5G/10G
PoE/PoE+/UPoE
TrustSec and MACSec(256)
Mar ‘18
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Fiber (1G/10G)24x 1G/10G
TrustSec and MACsec(256)
Line Cards - Fiber
SFP (1G)48x 100/1000
TrustSec and MACSec(256)
24x SFP/SFP+
24x SFP 48x SFP
Mar `18 Mar `18
BRKARC-3873 17
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Power Supplies
• Modular Design: 8 PS for 7 and 10 slot chassis
• Shared: Power for both Data and Inline Power
• Redundancy Mode : N+N , N+1
• Platinum PS: 90%+ efficiency
• Output: 3200W AC PS With 240V input. (1570W with 120V input)
BRKARC-3873 18
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Fan Tray
• Redundant - N+1 fan
• Flexible Service - fan tray can be replaced from the portside or the back
• Efficient - Variable speed per fan depends on the load, temperature and altitudes (=>lower noise).
• Air flow - Side to side air flow
BRKARC-3873 19
Architecture
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Supervisor
Architecture
Forwarding
Features
Embedded Controllers
Centralized Architecture
Control Plane
Container
HA communication
Passive BackPlaneUpto 480G BW per slot
Line CardSTUB
ASIC
Line CardSTUB
ASIC
Line CardSTUB
ASIC…
Open
IOS-XE
BRKARC-3873 21
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Common Infrastructure / HA
Management Interface
Module Drivers
Kernel
22
Open IOS-XE
Same Look & Feel, Enhanced & Modern Architecture
IOS
IOS
Common Infrastructure / HA
Management Interface
Module Drivers
Kernel
IOS XE 3.7.x(SE)
Features Components
Hosted AppsIOSd
Features
Components
WCM
Wireshark
Open IOS XE 16.6.x
Hosted AppsIOSd
LXC
LXC
IOS-XE
DB
Common
Infrastructure / HA
Management
Interface
Module Drivers
Kernel
LXC
Wireshark
IOSd Blob
IOS Sub
SystemsIOS Sub
SystemsIOS Sub
Systems
BRKARC-3873
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Open IOS XE – IOS Sub Systems
IOSd Blob
IOS Sub Systems
IOS Sub Systems
IOS Sub Systems
IOS Sub Systems Enhances IOS Resiliency
IOS-XE DB
BGP
OSPF
MPLS, etcFailure of one of
the Sub Systems
Keeps Rest of
the System intact
BRKARC-3873 23
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Open IOS XE – DB
Decoupling Code & Data protects the
Operational & Configurational States
IOS-XE DBIOSd Sub
Systems
Config & Operational
States
Higher Application UP Time
Quicker Recovery
Better Convergence
BRKARC-3873 24
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
IOS-XE – An Application Platform
Configuration
Management
Network
Monitoring
Network
Analytics
Kernel Support for Multiple Containers exist in current
versions of IOS-XE Denali
Depending on the Platform Capabilities, Apps can run
in Containers
netconf/restconf/yang/rest-api Interfaces
Life Cycle Management
IOS
OS/Linux
IOS
NW Devices
OS/Linux
NW Devices
ContainerContainer
Cisco Signed apps “Open Packages”
Cisco + 3rd-party packages
BRKARC-3873 25
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Up to 32MB
Packet BufferUp to 64K x2
Netflow Records
Embedded Microcontrollers
Shared
Lookup Up to 240GE
Bandwidth
384K Flex Counters
Up to 2X to 4X
forwarding + TCAM
Universal DeploymentsAdaptable Tables
Enhanced Scale/BufferingMulticore resource share
Investment ProtectionFlexible Pipeline
26BRKARC-3873
UADP 2.0 - Next Generation of ASIC Innovation
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
28BRKARC-3873
UADP 2.0 – 2 Cores
Egress Forwarding
Controller
(EFC)
Stack Interface
PBC – Packet Buffers Complex
IQS
Q
EQS
Q Q
SQS AQM
Ingress Forwarding
Controller
(IFC)
Egress Forwarding
Controller
(EFC)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
MACSEC MACSECMACSEC MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 29BRKARC-3873
Shared Lookup Tables
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Stag
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#8
Flex Parser
EGR
Stag
e
#..
Stag
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#..
Stag
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#2
Stag
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#1
Stag
e
#15
Flex Parser
IGR
Stag
e
#..
Stag
e
#..
Stag
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#2
Stag
e
#1
Core 1
Ingress Pipeline
Network Interfaces (Core 1)
Core 1
Egress Pipeline
X
F
C
X
F
C
FIFO FIFO
Ingress
Forwarding
Controller
(IFC)
Core 1
Egress
Forwarding
Controller
(EFC)
Core 1
Flexible
Look up
Tables
(Shared
Across
Cores)
Rewrite
Block
PBC – Buffers Complex (Core 1)
Egress
Forwarding
Controller
(EFC)
Core 0
Network Interfaces (Core 0)
FIFO FIFO
Ingress
Forwarding
Controller
(IFC)
Core 0
Rewrite
Block
Stack Interface
PBC – Buffers Complex (Core 0)
Lookup Tables
shared across the
cores
Scales better at High Performance
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
30BRKARC-3873
UADP 2.0 – Forwarding Pipelines
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
31BRKARC-3873
UADP 2.0 – Forwarding Pipelines
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
32BRKARC-3873
UADP 2.0 – Forwarding Pipelines
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
33BRKARC-3873
UADP 2.0 – Forwarding Pipelines
MACSEC MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Stage
#15
Flex Parser
IGR
Stage
#..
Stage
#..
Stage
#2
Stage
#1
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Stage
#8
Flex Parser
EGR
Stage
#..
Stage
#..
Stage
#2
Stage
#1
TCAM/ SRAM
Forwarding - Under the covers
15 Ingress
Programmable
Stages
Flex Parser
256 B
Flex Parser
256 B
Final Decision on
Packet’s Future
Final Decision on
Packet’s Future
Flexible
Look up Tables
(Shared
Across Cores)
8 Egress
Programmable
Stages
BRKARC-3873 34
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Ingress Programmable
Pipeline
Punt
Flex Parser
IGR
NF
SPAN
MC
L3/L2
FIB
Lookup
Table
Lookup
Table
Lookup
Table
ACL
MCast
Lookup
Table
Lookup
Table
Lookup
Table
QOS
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
Lookup
Table
SPAN
Flex Parser
EGR
Stage
#..
Sec
NF
Policy
Egress Programmable
Pipeline
TCAM/ SRAM
At each stage, 2
simultaneous lookups
Programmed to
understand
VXLAN
Programmed to
understand
MPLS
Microcode programs UADP 2.0
ASIC
Micro Code
Software Features
VXLAN MPLSNG
Protocol
BRKARC-3873 35
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
UADP 2.0 – Look up Tables
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
BRKARC-3873 36
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
UADP 2.0 – Look up Tables
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
BRKARC-3873 37
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
UADP 2.0 – Look up Tables
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
BRKARC-3873 38
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
SRAM TCAM
Flex Tables
Lookup
TableLookup
Table
Lookup
Table
Lookup
Table
Lookup
TableLookup
Table
Lookup
TableLookup
Table
Lookup
TableLookup
Table
Lookup
Table
Lookup
Table
Lookup
TableLookup
Table
Lookup
TableLookup
Table
Lookup
TableLookup
Table
Lookup
Table
Lookup
Table
Lookup
TableLookup
Table
Lookup
TableLookup
Table
Lookup
TableLookup
Table
Lookup
Table
Lookup
Table
Lookup
TableLookup
Table
Lookup
TableLookup
Table
BRKARC-3873 39
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Collapsed Core-
WAN Template
Aggregation
Template
Core-Border
Template
L3 & NATMix of L2/L3
CapabilitiesL3 & Cross Domain
Policy
Flexible ASIC Templates
SRAM/TCAM
MAC
IPv4/IPv6
VACL
PACL
RACL
SGACL
QoS
NAT
SPAN
CoPP
Customize table size for each function based on the place in the network
Client Scale
Access-Edge Template
SRAM
FIB
(48K)
SGT
(16K)
IGMP
(32K)
Host
(32K)
MCAST
(16K)
MAC
(80K)
Internal Resources
TCAM
SEC ACL
(18K)
Tunnels
(1K)
NAT
(2K)
QoS ACL
(18K)
Others
Internal Resources
LISP
(1K)
SRAM TCAM
FIB
(64K)
SGT
(32K)
IGMP
(16K)
Host
(32K)
MCAST
(48K)
MAC
(32K)
Internal Resources
SEC ACL
(18K)
Tunnels
(1K)
NAT
(16K)
QoS ACL
(3K)
Others
Internal Resources
LISP
(1K)
Core-Border Template
64K
16K
32K
32K
48K
8K
64K
Access-Edge
Template
Custom ASIC Templates for Universal Deployment
40BRKARC-3873
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 41BRKARC-3873
Sup-1/Sup-1XL Block Diagram
Switch Backplane
4x10G /
40G
UADP2.0 XL
#1
720 Gbps
4x10G /
40G
PCIeSupIO
(I2C)Ethernet
24x
SLI
24x
SLI
16x
SLI8x
SLI
UADP2.0 XL
#1
UADP2.0 XL
#2
ASIC # 7-Slot 10-Slot
UADP #1 Slot 2 and 7 Slot1, 9, and 10
UADP #2 Slot 1 and 5 Slot 2, 3 and 4
UADP #3 Slot 6 and Uplinks Slot 7, 8, and Uplinks
Quad Core CPU(Control Traffic, Containers
for APPs)
Console/
Mgmt
SDRAM
USB
M.2 SATA
(optional)
240G 40G
SLI – Switch Link Interfaces
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 42BRKARC-3873
Port to ASIC Mapping
switch#show platform software fed active ifm mappings lpn
Mappings Table
LPN ASIC Port Interface IF_ID Active
------------------------------------------------------------------------------
1 1 0 GigabitEthernet1/0/1 0x000000c6 Y
<SNIP>
48 1 47 GigabitEthernet1/0/48 0x00000036 Y
1 0 0 GigabitEthernet2/0/1 0x00000037 Y
<SNIP>
48 0 47 GigabitEthernet2/0/48 0x000000c5 Y
1 2 17 TenGigabitEthernet3/0/1 0x00000067 Y
<SNIP>
8 2 10 TenGigabitEthernet3/0/8 0x0000006e Y
9 2 18 FortyGigabitEthernet3/0/9 0x0000006f Y
10 2 19 FortyGigabitEthernet3/0/10 0x00000070 Y
1 2 3 TenGigabitEthernet4/0/1 0x00000071 Y
<SNIP>
8 2 4 TenGigabitEthernet4/0/8 0x00000078 Y
9 2 8 FortyGigabitEthernet4/0/9 0x00000079 Y
10 2 9 FortyGigabitEthernet4/0/10 0x0000007a Y
1 1 0 TenGigabitEthernet5/0/1 0x0000007b Y
<SNIP>
24 1 23 TenGigabitEthernet5/0/24 0x00000092 Y
1 2 24 GigabitEthernet6/0/1 0x00000093 Y
<SNIP>
24 2 69 GigabitEthernet6/0/24 0x000000aa Y
25 2 30 TenGigabitEthernet6/0/25 0x000000ab Y
<SNIP>
48 2 63 TenGigabitEthernet6/0/48 0x000000c2 Y
switch#
Catalyst 9407R
Mod Card Type
--- ------------------------------
1 48-Port UPOE 10/100/1000 (RJ-45)
2 48-Port 10/100/1000 (RJ-45)
3 Supervisor 1 Module
4 Supervisor 1 Module
5 24-Port 10 Gigabit Ethernet (SFP+)
6 48-Port UPOE w/ 24p mGig 24p RJ-45
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 43BRKARC-3873
Sup-1/Sup-1XL Uplink - Single Sup
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 44BRKARC-3873
Sup-1/Sup-1XL Uplink - Single Sup
Default Mode (8x 10GE)
Active Disabled
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 45BRKARC-3873
Sup-1/Sup-1XL Uplink - Single Sup
Default Mode (8x 10GE)
Active Disabled
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 46BRKARC-3873
Sup-1/Sup-1XL Uplink - Single Sup
Default Mode (8x 10GE)
2x 40Ginterface FortyGigabitEthernet<slot>/0/[9-10]
enable
Active Disabled
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 47BRKARC-3873
Sup-1/Sup-1XL Uplink - Single Sup
Default Mode (8x 10GE)
2x 40Ginterface FortyGigabitEthernet<slot>/0/[9-10]
enable
Active Disabled
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 48BRKARC-3873
Sup-1/Sup-1XL Uplink - Single Sup
Default Mode (8x 10GE)
2x 40Ginterface FortyGigabitEthernet<slot>/0/[9-10]
enable
Mix Mode (4x 10GE + 1x 40G) interface FortyGigabitEthernet<slot>/0/10
enable
Mix Mode (4x 10GE + 1x 40G) interface FortyGigabitEthernet<slot>/0/9
enable
Active Disabled
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 49BRKARC-3873
Sup-1/Sup-1XL Dual Sups - Uplink Redundancy
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 50BRKARC-3873
Sup-1/Sup-1XL Dual Sups - Uplink Redundancy
Default Mode (8x 10GE)
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 51BRKARC-3873
Sup-1/Sup-1XL Dual Sups - Uplink Redundancy
Default Mode (8x 10GE)
40G Uplink Modeinterface FortyGigabitEthernet<slot>/0/9
enable
Active Disabled
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 53BRKARC-3873
48x1G RJ45 Line Card (UPoE)
6x
SLI
Stub ASIC
Switch Backplane
RJ4541-48
Octal PHY
10G
(USGMII)
Management
Sub-System
Power
Sub-system
PoE
Sub-System
IEEE
1588
Speed10/100/1000
RJ4533-40
Octal PHY
RJ4525-32
Octal PHY
RJ4517-24
Octal PHY
RJ459-16
Octal PHY
RJ451-8
Octal PHY
Line Rate on all Ports; UPoE on all Ports
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 54BRKARC-3873
48x1G Line Card (RJ45 Data or SFP)
Switch Backplane
Speed10/100/1000
6x
SLI
Stub ASIC
RJ4541-48
Octal PHY
Speed10/100/1000
RJ4533-40
Octal PHY
RJ4525-32
Octal PHY
RJ4517-24
Octal PHY
RJ459-16
Octal PHY
RJ451-8
Octal PHY
Management
Sub-System
IEEE
1588
10G
(USGMII)
Line Rate on all Ports
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 55BRKARC-3873
24x 1/10G SFP/SFP+ Line Card
Switch Backplane
SFP/SFP+19-24
PHY
6x
SLI
Stub ASIC
6x 10G
Management
Sub-System
IEEE
1588
SFP/SFP+13-18
PHY
6x
SLI
Stub ASIC
6x 10G
SFP/SFP+7-12
PHY
6x
SLI
Stub ASIC
6x 10G
SFP/SFP+1-6
PHY
6x
SLI
Stub ASIC
6x 10G
(USXGMII)
Sup-1: 80G with C9410R and C9407R
Sup-1XL: 80G with C9410R; 120G with C9407R
Release 16.6.2
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
C9400-LC-24XS Port-Group
7 Slot Chassis: 12 Port-Group
10 Slot Chassis: 8 Port-Group
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8
Release 16.6.2
BRKARC-3873 56
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
C9400-LC-24XS Port-Group – 7 Slot ChassisR4-C94-2041#show platform hardware iomd 5/0 portgroups
Port Interface Status Interface Group
Max
Group Bandwith Bandwidth
1 TenGigabitEthernet5/0/1 up 10G
1 TenGigabitEthernet5/0/2 down 10G 10G
2 TenGigabitEthernet5/0/3 up 10G
2 TenGigabitEthernet5/0/4 down 10G 10G
3 TenGigabitEthernet5/0/5 up 10G
3 TenGigabitEthernet5/0/6 down 10G 10G
4 TenGigabitEthernet5/0/7 up 10G
4 TenGigabitEthernet5/0/8 down 10G 10G
<SNIP>
11 TenGigabitEthernet5/0/21 up 10G
11 TenGigabitEthernet5/0/22 down 10G 10G
12 TenGigabitEthernet5/0/23 up 10G
12 TenGigabitEthernet5/0/24 down 10G 10G
R4-C94-2041#show
• Bandwidth shared within port-group
• 12 port-group in the 7 slot chassis
• For 10G line rate performance:• Configure: “hw-module
subslot <slot#/0> mode
dynamic”
• 8 Port with C9400-Sup-1
• 12 port with C9400-Sup-1XL
BRKARC-3873 57
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 59BRKARC-3873
mGig RJ45 Line Card
Switch Backplane
RJ451-24
RJ4525-32
RJ4533-40
RJ4540-48
4x Octal PHY
(use 6 out of 8)2x Quad mGig PHY
6x
SLI
Stub ASIC
6x2x
Speed10/100/1000 Speed100/1G/2.5G/5G/10G
Management
Sub-System
PoE
Sub-System
IEEE
1588
Power
Sub-system
2x Quad mGig PHY2x Quad mGig PHY
6x
SLI
Stub ASIC
6x2x
6x
SLI
Stub ASIC
6x2x
6x
SLI
Stub ASIC
6x2x
Sup-1: 80G with C9410R and C9407R
Sup-1XL: 80G with C9410R; 120G with C9407R
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
C9400-LC-48UX Port-Group
7 Slot Chassis: 12 Port-Group
10 Slot Chassis: 8 Port-Group
1 2 3 4 5 6 7 8 91
0
1
1
1
22 3 1 5 6 4 8 9 7
1
1
1
2
1
0
11
2 32
3
44 5
56 7
6
7
88 1
12 3
2
3
44 5
56 7
6
7
88
Release 16.6.2
BRKARC-3873 60
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Power
Combined
(Default)
Normal PS failure
Redundant
ACTIVE STANDBY
Load sharing on all PSs Load sharing on functional PSs
Failed PS
Load sharing on active PSs
Standby PS in output disabledStandby PS becomes active
System enters alarm state
BRKARC-3873 63
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Power Redundancy: N+N and N+1
• Default active is PS1-4 and standby is PS5-8
• Standby power slots are configurable
ACTIVE STANDBY
SW(config)#power redundancy-mode redundant ?
N+N Redundant N+N (N is active, N is standby)
N+1 Redundant N+N (N is active, 1 is standby)
SW(config)#power redundancy-mode redundant N+1 ?
<1-8> standby slot in N+N mode
SWR(config)#
• Default active is PS1-7 and standby is PS8
• Standby power slot is configurable
SW(config)#power redundancy-mode redundant ?
N+N Redundant N+N (N is active, N is standby)
N+1 Redundant N+N (N is active, 1 is standby)
SW(config)#power redundancy-mode redundant N+1 ?
<1-8> standby slot in N+1 mode
SWR(config)#
BRKARC-3873 64
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Power Priority
• All components in the system are assigned with power priority level
• Supervisors and Fan Tray has the same highest priority level
• Lower slot# has the higher power priority level by default if “power supply autoLC shutdown” is configured
• Configurable power priority for line card slotsC94(config)#power supply autoLC priority ?
<1-7> Physical slot number
<cr>
C94(config)
Highest
Priority
BRKARC-3873 65
Configurable
Priority
Forwarding
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Netflow
Forwarding Resources
67BRKARC-3873
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© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Netflow
Forwarding Resources
68BRKARC-3873
Flex Tables
Lookup
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Feature Resources
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• MAC
• Host Route
• IGMP Groups
• LPM Route
• Multicast Route
• SGT
• Security ACL
• QoS ACL
• Service ACL• PBR/NAT
• Netflow ACL
• SPAN
• MACsec
• CoPP
• Tunnel
• LISP
Netflow Entries
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Netflow
Forwarding Resources
69BRKARC-3873
Flex Tables
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Feature Resources
Lookup
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Lookup
TableLookup
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Lookup
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Lookup
TableLookup
TableNetflow Entries: 128K per ASIC
• MAC: 64K
• Host Route: 48K – 112K
• IGMP Groups: 16K
• LPM Route: 64K
• Multicast Route: 16K
• SGT: 16K
• Security ACL: 18K
• QoS ACL: 18K
• Service ACL: 18K• PBR/NAT
• Netflow ACL
• SPAN
• MACsec
• CoPP
• Tunnel
• LISP
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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IGR
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Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
70BRKARC-3873
Unicast – within ASIC
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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EGR
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Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
71BRKARC-3873
Unicast – within ASIC
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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EGR
Stage #..
Stage #..
Stage #2
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Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
72BRKARC-3873
Unicast – within ASIC
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
73BRKARC-3873
Unicast – within ASIC
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
74BRKARC-3873
Unicast – within ASIC
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
4
4. Descriptor has local
destination, PBC sends the info
to EQS
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
75BRKARC-3873
Unicast – within ASIC
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
4
4. Descriptor has local
destination, PBC sends the info
to EQS
5. EQS schedule PBC to send
a copy to EFC and a copy to
ReWrite (includes descriptor)
5
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
76BRKARC-3873
Unicast – within ASIC
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
4
4. Descriptor has local
destination, PBC sends the info
to EQS
5. EQS schedule PBC to send
a copy to EFC and a copy to
ReWrite (includes descriptor)
6
5
6. EFC sends results to
ReWrite
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
77BRKARC-3873
Unicast – within ASIC
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
4
4. Descriptor has local
destination, PBC sends the info
to EQS
5. EQS schedule PBC to send
a copy to EFC and a copy to
ReWrite (includes descriptor)
6
5
6. EFC sends results to
ReWrite
7. Rewrite the packet and send
though the egress FIFO
7
MACSEC MACSEC1
Multicast
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Catalyst 9400 Multicast
• Performance
• High L2 and L3 multicast throughput
• Low latency
• Flexible Scalability
• Future templates will provide different IGMP snooping group and mroutes
• Optimized Replication
• Replication are done at the egress
• Single copy in the buffer memory during replication
• Enhanced Features
• IP-Based forwarding for IGMP snooping
• IGMP snooping explicit tracking (For IGMP v3).
81BRKARC-3873
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Multicast Features
Features Catalyst 9K
IGMP (Internet Group Management Protocol)v1, v2, v3 Yes
IGMP snooping (v1, v2, v3) Yes
MLD (Multicast Listener Discovery) v1, v2 Yes
MLD snooping (v1, v2) Yes
PIM (Protocol Independent Multicast) SM (Sparse Mode) Yes
PIM Dense Mode Yes
PIM SSM (Source Specific Mode) Yes
PIM Bi-Dir No (HW capable)
BRKARC-3873 82
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
84BRKARC-3873
Multicast Key Components
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
85BRKARC-3873
Multicast Key Components
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
• Schedule the packet for
Stack Interface (Remote).
• Notify PBC when it no longer
needs the packet
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
86BRKARC-3873
Multicast Key Components
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
• Receive result descriptor from
IFC.
• Notify IQS and/or EQS
• Remove the packet after
notification from IQS and/or EQS
• Schedule the packet for
Stack Interface (Remote).
• Notify PBC when it no longer
needs the packet
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
87BRKARC-3873
Multicast Key Components
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
• Receive result descriptor from
IFC.
• Notify IQS and/or EQS
• Remove the packet after
notification from IQS and/or EQS
• Schedule the packet for
Stack Interface (Remote).
• Notify PBC when it no longer
needs the packet
• Generate a list of egress ports
• Schedule the packet for each egress
port
• Notify PBC when it no longer needs
the packet.
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
88BRKARC-3873
Multicast – Egress Local
Egress Forwarding
Controller
(EFC)
MACSEC MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
89BRKARC-3873
Multicast – Egress Local
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
4
4. Descriptor has local
destination, PBC sends the info
to EQS
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
90BRKARC-3873
Multicast – Egress Local
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
4
4. Descriptor has local
destination, PBC sends the info
to EQS
5. AQM within EQS generate
the list of egress port based on
descriptor, schedule for each
egress port
5
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
91BRKARC-3873
Multicast – Egress Local
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
4
4. Descriptor has local
destination, PBC sends the info
to EQS
5. AQM within EQS generate
the list of egress port based on
descriptor, schedule for each
egress port
6
5
6. For each egress port, frame
goes though the EFC, ReWrite
and Egress FIFO
MACSEC MACSEC1
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding
Controller
(IFC)
Flexible
Look up
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
92BRKARC-3873
Multicast – Egress Local
Egress Forwarding
Controller
(EFC)
1. Received, processed by
MACSec and into FIFO
2. A copy to buffer and a copy
to IFC
2
3
3. Goes through IFC, result
descriptor send to PBC
4
4. Descriptor has local
destination, PBC sends the info
to EQS
5. AQM within EQS generate
the list of egress port based on
descriptor, schedule for each
egress port
6
5
6. For each egress port, frame
goes though the EFC, ReWrite
and Egress FIFO
Only a single copy of packet in
buffer memory during replication
MACSEC MACSEC1
ACL
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
ACL Types and Features• Security ACL (MAC, IPv4, and IPv6)
− PACL: ACL enabled under L2 interface
− VACL: ACL enabled for L2 VLAN traffic
− RACL: ACL enabled for routed traffic
− GACL: ACL for Clients group
− SGACL: ACL for CTS/SGT
− WCCP-Egress
• ACL for QoS classification and Policing (including CoPP)
• Service ACLPolicy
− PBR/NAT/WCCP-Ingress
− Netflow ACL
− SPAN
− MACSec
− User ACL to redirect traffic (CoPP)
− Tunnel
− LISP
96BRKARC-3873
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Security ACLs
ACL Type Attach Point Direction
PACL L2 interface IN OUT
VACL VLAN Always IN & OUT
RACL L3 interface, L3 PortChannel, sub-interface SVI IN OUT
interface gigabitethernet1/1
ip access-group PACL-1 in
ip access-group PACL-2 out
switchport access vlan 100
vlan access-map VACL-map
match ip address VACL-1
action forward
vlan filter VACL-map vlan-list 100
interface Vlan100
no shutdown
ip access-group RACL-1 in
ip access-group RACL-2 out
ip address 100.1.1.1/24
PACL: Direction indicated in CLI
VACL: VLAN ACL for Both
Ingress and Egress; Apply to
Pre- and Postrouted Traffic
RACL: Routed ACL; Apply Only
to Traffic That Requires Routing;
Direction Indicated in the CLI
BRKARC-3873 97
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Security ACL Processing Order and Priority
• The following is a conceptual illustration. In the ASIC the lookup for different
types of ACL takes place concurrently.
• A packet is dropped if it hits the deny rule in any of these types of ACLs.
• RACL is applied only to traffic that is L3 forwarded.
98BRKARC-3873
Ingress Processing
Ingress
Egress Process
PACL
Out
RACL
Out
VACL
Out
Within
ASIC
Or
STACK
RACL
In
PACL
In
VACL
In
GACL
InGACL
Out
SGACL
Out
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Sharing ACE
• Each ACL policy is reference by a label.
• Same ACL policy (Security ACL like GACL, PACL, VACL, RACL and QoS ACL) is applied to multiple interfaces or VLAN, it
uses the same label.
• Label sharing is within the core
• Ingress and egress use different label
99BRKARC-3873
ip access-list extended ip-list-1
deny ip 100.1.1.0 0.0.0.255 200.1.1.0 0.0.0.255
deny ip 100.1.2.0 0.0.0.255 200.1.2.0 0.0.0.255
deny ip 100.1.3.0 0.0.0.255 200.1.3.0 0.0.0.255
permit ip any any
interface GigabitEthernet1/0/1
ip access-group ip-lists-1 in
interface GigabitEthernet1/0/2
ip access-group ip-lists-1 in
interface GigabitEthernet1/0/3
ip access-group ip-lists-1 in
Label
101 Gi1/0/1
101 Gi1/0/2
101 Gi1/0/3
101 IPv4 ACL ip-list-1 in
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Resource UtilizationC9400#show platform hardware fed active fwd-asic resource tcam utilization
CAM Utilization for ASIC Instance [0] Table Max Values Used Values
--------------------------------------------------------------------------------
Unicast MAC addresses 65536/512 17/21
IGMP and Multicast groups 8192/512 0/0
L2 Multicast groups 8192/512 0/0
Directly or indirectly connected routes 16384/65024 0/14
NAT/PAT SA address and Port 0 0
QoS Access Control Entries 18432 0
Security Access Control Entries 18432 114
Ingress Netflow ACEs 1024 8
Policy Based Routing ACEs 2048 0
Egress Netflow ACEs 2048 0
Input Microflow policer ACEs 512 0
Output Microflow policer ACEs 1024 7
Flow SPAN ACEs 1024 0
Control Plane Entries 1024 200
Tunnels 1024 17
Lisp Instance Mapping Entries 1024 3
Input Security Associations 512 0
Output Security Associations and Policies 512 5
SGT_DGT 8192/512 0/0
CLIENT_LE 4096/256 0/0
INPUT_GROUP_LE 1024 0
OUTPUT_GROUP_LE 1024 0
Macsec SPD 256 2
BRKARC-3873 100
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Hitless ACL update
ACL-Test
-> Label 101
TCAM
Label 101
ACL-Test
-> Label 101
TCAM
Label 101
Label 102
ACL-Test
-> Label 102
TCAM
Label 101
Label 102
ACL-Test
-> Label 102
TCAM
Label 102
Modified ACL-Test
SW(config)#ip access-list extended ACL-Test
SW(config-ext-nacl)#105 permit ip host 10.1.1.1 host 20.1.1.1
SW(config-ext-nacl)# Requirement:
TCAM has enough
space
Result:
No outage during
ACL update
BRKARC-3873 102
Release 16.8.1
QoS
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
QoS Fundamental
Policing
Trust Classification
Unconditional
Marking
Conditional
Marking
Scheduler
8q3t
1p7q3t
2p6q3t
PolicingConditional
Marking
Unconditional
Marking
PQ1
PQ2
Q3
Q4
Q5
Q6
Q7
Q8
WTD
WTD rest
of non
WRED
queues
WRED
on any 4
queues
PQ or QClassification
BRKARC-3873 104
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Egress Pipeline
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Stage #8
Flex Parser
EGR
Stage #..
Stage #..
Stage #2
Stage #1Stage #15
Flex Parser
IGR
Stage #..
Stage #..
Stage #2
Stage #1
Ingress Pipeline
X
F
C
X
F
C
Ingress Forwarding Controller
* Classify based on Original
Packet
* Ingress Policer
* Conditional marking
* Unconditional marking
TCAM
Tables
(Shared
Across
Cores)
Network Interfaces - Front Panel Ports + CPU + Network Redundant Uplinks (NRU)
Recirculation
Engine
Encryption
EngineIngress
FIFOEgress
FIFO
Stack Interface
PBC – Packet Buffers Complex
EQS
Q Q
SQS AQM
IQS
Q
ReWrite
Engine
105BRKARC-3873
UADP 2.0 – Qos Packet Processing
Egress Forwarding Controller
* Classify based on Ingress
QoS Result and Original
packet
* Egress Policer
* Conditional marking
* Unconditional marking
MACSEC
Scheduler
to Split Data
and CPU
Queues
Scheduler
from stack
Scheduler
to Egress
Port
MACSEC
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 106BRKARC-3873
Policing
Action
B<Tc
Conform Exceed
CBS
CIR
Yes
No
Action
Packet ofSize B
Action
B>Tp
Violate
PBS
PIR
Yes
No
Packet ofSize B
Action
B>Tc
Exceed
CBS
Yes
No
Conform
Action
CIR
police cir 100000000 bc 3125000 conform-
action set-dscp-transmit af41 exceed-action
drop
police cir percent 10 pir percent 50
conform-action transmit exceed-action set-
dscp-transmit af11 violate-action drop
1 Rate 2 Color 2 Rate 3 Color
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Types:
• Ingress Buffers: For ingress queues and scheduler (IQS) (dedicated and shared)
• Egress Stack Buffers: For Egress Stack Queues and Scheduler (SQS) (dedicated and shared)
• Egress Port Buffers: For Egress port queues (AQM)
• Temporary Buffers: For packet from the Stack or CPU.
Allocation:
• Use dedicated first then shared.
Packet Buffer
10 MB Egress
1.5MB – 3.5 MB Stack
1.5 MBFIFO
0.4MB-1.5 MB Ingress
16MB per Core32MB per ASIC
BRKARC-3873 107
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
2-Level HQoS
Child Parent
BW, Policing Shape
Marking Policing
Policing Marking
police
Parent
Action
Queues
police
CHILD PARENT
BRKARC-3873 108
High Availability
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 110BRKARC-3873
SSO – Stateful Switch Over
IP Phone
LED Lights
PC/LaptopAP
Switchover
Default Redundancy
Mode
Continue
Synchronization from
Active to Standby
Links Stay up
Continue Communication
Lights Stay on
Sup Uplinks stay up
Less than 200ms traffic interruption
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Sup-1 Uplink Redundancy – Dual Sups
Default Mode (8x 10GE)
40G Uplink Modeinterface FortyGigabitEthernet<slot>/0/9
enable
BRKARC-3873 111
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public 112BRKARC-3873
Redundant Uplinks
Switch Backplane
4x10G /
40G
UADP2.0 XL
#1
720 Gbps
4x10G /
40G
PCIeSupIO
(I2C)Ethernet
24x
SLI
24x
SLI
16x
SLI8x
SLI
UADP2.0 XL
#2
7-Slot 10-Slot
UADP #1 Slot 2 and 7 Slot1, 9, and 10
UADP #2 Slot 1 and 5 Slot 2, 3 and 4
UADP #3 Slot 6 and Uplinks Slot 7, 8, and
Uplinks
Quad Core CPU(Control Traffic, Containers
for APPs)
Console/
Mgmt
SDRAM
USB
M.2 SATA
(optional)
240G 40G
UADP2.0 XL
#3
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Redundant Uplinks
Backplane
Network
Redundant
Unlink
UADP #3
Active Sup
Cores
Uplinks
UADP #3
Standby Sup
Cores
Network
Redundant
Unlink
Standby Uplinks stays
up when standby Sup
reboots
Uplinks
These components stay
operational when Sup
reboots
BRKARC-3873 113
Conclusion
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
7-Slot 10-Slot
Power Supply3200W AC
Core Linecards24x 10G SFP+*
24x1G SFP*
Access Linecards24xmGig + 24xUPOE*
48xUPoE
48xData
SupervisorSup-1: 80G/Slot Access Optimized
High
Availability/
Redundancy
100W PoE
Ready
480G
Slot BW
*not available at FCS
Catalyst 9400
BRKARC-3873 115
Open
IOS-XE
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Catalyst 9K enables the New Era of Networking
IOS XE16.5.1
Hosted AppsIOSdLXC
*LXC
*
IOS-XE
DB
Common Infrastructure /
HA
Management Interface
Module Drivers
Kernel
LXC
*Wire
shar
k
IOSd
Blob
IOS
Sub
Syst
ems
IOS
Sub
Syst
ems
IOS
Sub
Syst
ems
UADP 2.0 IOS XE 16.6
Catalyst 9K Family
Foundational Components
Catalyst 9K – Built to see you through Next Decade
Encrypted
Traffic
Analytics
(ETA)
Resiliency with
Patching &
GIR
Programmability
& Automation
Standards
Leadership
.3bt, .3bz, etc
Real time
Streaming
TelemetrySD Access
Trustworthy
Systems
3rd Party
App
Hosting
Fabric
Enabled
Wireless
X86 Based CPU Larger Storage
Usa
bili
ty &
Op
era
tion
al E
ffic
iency
BRKARC-3873 116
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Continue Your Education
• Cisco Live Sessions:
• BRKARC-3438: Cisco Catalyst 3850 and 3650 Series Switching Architecture (Tue 8 am; Wed 8 am)
• BRKARC-3445: Cisco Catalyst 4500E Switch Architecture (Thur 8:30 am)
• BRKARC-3465: Cisco Catalyst 6800 Switch Architecture (Tue 4 pm; Thur 8:30 am)
• BRKARC-3863: Catalyst 9300 Switching Architecture (Thur 10:30 am)
• BRKCRS-2410: Cisco Network Data Platform for Campus Networks (Tue 1:30pm; Wed 8am)
• Labs
• LTRCRS-2007: Catalyst Access Layer Innovations: Hands On Lab (Tue 1 p.m.)
• Lunch & Learn
• TTGEN-1002 (Tue 12 pm)
117BRKARC-3873
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Cisco Spark
Questions? Use Cisco Spark to communicate with the speaker after the session
1. Find this session in the Cisco Live Mobile App
2. Click “Join the Discussion”
3. Install Spark or go directly to the space
4. Enter messages/questions in the space
How
cs.co/ciscolivebot#BRKARC-3873
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• Please complete your Online Session Evaluations after each session
• Complete 4 Session Evaluations & the Overall Conference Evaluation (available from Thursday) to receive your Cisco Live T-shirt
• All surveys can be completed via the Cisco Live Mobile App or the Communication Stations
Don’t forget: Cisco Live sessions will be available for viewing on-demand after the event at www.ciscolive.com/global/on-demand-library/.
Complete Your Online Session Evaluation
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Continue Your Education
• Demos in the Cisco campus
• Walk-in Self-Paced Labs
• Tech Circle
• Meet the Engineer 1:1 meetings
• Related sessions
120BRKARC-3873
Thank you
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
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Self Assessments, Workbooks & Labs
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CCIE® Routing & Switching
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• Implementing Cisco IP Switched
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• Troubleshooting and Maintaining
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Professional level instructor led trainings to prepare candidates for the
CCNP R&S exams (ROUTE, SWITCH and TSHOOT). Also available in
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CCNP® Routing & Switching
Interconnecting Cisco Networking Devices:
Part 2 (or combined)
Configure, implement and troubleshoot local and wide-area IPv4 and IPv6
networks. Also available in self study eLearning format with Cisco Learning
Lab.
CCNA® Routing & Switching
Interconnecting Cisco Networking Devices:
Part 1
Installation, configuration, and basic support of a branch network. Also
available in self study eLearning format with Cisco Learning Lab.
CCENT® Routing & Switching
For more details, please visit: http://learningnetwork.cisco.com
Questions? Visit the Learning@Cisco Booth
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Design Cisco Education Offerings
Course Description Cisco Certification
Designing Cisco Network Service Architectures
(ARCH) Version 3.0
Provides learner with the ability to perform conceptual, intermediate, and
detailed design of a network infrastructure that supports desired capacity,
performance, availability required for converged Enterprise network
services and applications.
CCDP® (Design Professional)
(Available Now)
Designing for Cisco Internetwork Solutions
(DESGN) Version 3.0
Instructor led training focused on fundamental design methodologies used
to determine requirements for network performance, security, voice, and
wireless solutions. Prepares candidates for the CCDA certification exam.
CCDA® (Design Associate)
(Available Now)
For more details, please visit: http://learningnetwork.cisco.com
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