Applications Guide - Opticonx · Applications Guide anco oad utnam CT 00 • hone 7 •...

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Applications Guide

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Cisco Systems Nexus 7000 Series Switch Optical Cabling Guide

This cabling applications guide will assist you with the design and deployment of a structured fiber optic cabling system for connecting Cisco Systems Nexus 7000 series data center switches. The 7000 series include the 7000 series chassis and its higher density version 7700 series chassis. Both switches and there I/O modules feature configurable 10/40/100G ports over SR10 (24f MTP) interfaces, 10/40G over QSFP+ interfaces, and 10G over SFP+ interfaces. The 7000 is offered in four chassis versions, with 2,7,8, and 16 slot I/O module capacity. The 7700 Series is offered in 3 chassis versions, with 4, 8, and 16 slot I/O module capacity. The physical interfaces on both the 7000 and 7700 Series are the same. The only difference between the two, as far as the optical cabling infrastructure is concerned, is the port density for 40/100G is much greater with 7700 series switches and I/O modules.

Deployment

Usually, in a data center environment, Nexus 7000 series switches are deployed in the Main Distribution Area (MDA) or “network core”. They can be interconnected to other 7000 series switches in the core over 100G links, and/or connected to Nexus 6000 series switches in the Horizontal Distribution Area (HDA) or “network aggregation” layer with 10/40G links. Switches in the HDA are connected to Nexus 2000 switches in the Equipment Distribution Area (EDA) or “network edge”, with 1/10G links extending out to servers, network, and/or storage devices.

Figure 1: Typical Network Layout

Nexus 7000 /7700 Series Switches

Nexus 6004 Switches

Nexus 2000 Series Switches

Core/MDA

Aggregate/HDA

Access/EDA

100G

10/40G

10/40G

10/40G

1/10G to Servers/LAN/SAN

http://opticonx.com/cisco/cisco_figure1.pdf

Applications Guide


Figure 3: 100G Structured Cabling Connected Switches

100G Switch to Switch Links

With 100GbE links between 7000 switches with F3-Series 6/12 port I/O modules(N7K-F306CK-25,25E and N77-F312CK-26,26E with CPAK-100G-SR10 module), a 24f MTP jumper cable is run directly beween the SR10 ports on the I/O modules. This cabling is best for inter-switch links when both switches are in close proximity. This link would also work when the SR10 ports are configured as 2 x 40G channels, or 10 x 10G channels directly between 7000 series and/or 6000 series aggregation switches.

Figure 2: 100G Directly Connected Switches

Bill of Material for Figure 2.Item # Description Quantity Part Number

1 OM4 24f MTP to 24f MTP Non-Pinned Jumper; Plenum Cable; xxx Meters 1 P3XJDB99XMXXXG

100G Structured Cabling Connected Switches

In larger networks where high fiber count MTP trunks are deployed, a structured cabling approach pro-vides a scaleable and quickly reconfigured network. Inter-connection points between permanently installed trunks make changes and additions as easy as changing or adding jumpers. The trunks in these examples are 24f with 12f MTP legs, but can be higher counts as long they are increments of 24 with 12f MTP legs. As with the directly connected switches, SR10 ports configured as 2 x 40GbE or 10 x 10GbE links would also work. However, SR10 ports configured as 40G links reduce fiber utilization in your infrastructure trunks. A 2 x 40G links render 8 fibers in the trunk un-useable. A 10 x10G configuration drops 4 fibers from the trunk.

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Applications Guide



1OM4 24f MTP(non-pinned) to 2x 12f MTP(pinned) Transition Harness; Method 4; Plenum Cable; 24” Breakout; XXX Meters

1 PXTDB96X024GXXX

2 MTP Adapter Panel 2 MAPMPO06BLK

3OM4 24f; 2x 12f MTP(non-pinned) to 2x 12f MTP(non-pinned) Trunk; Method A; Plenum Cable; XXX Meters; W/Pulling Eye attached

1 P3XM2DBXXXXM1A

4OM4 24f MTP(non-pinned) to 2x 12f MTP(pinned) Transition Harness; Method 5; Plenum Cable; 24” Breakout; XXX Meters

1 PXTDB96X024HXXX

5 1U FBX Series Patch Panel( not shown) to house item 2 2 FBX061ULG

40G Core to Aggregation Links

With 40GbE links between 7000 switches with 6/12/24 port I/O modules(N7K-M206FQ-23L, N7K-F312FQ-25,25E, N77-F324FQ-25,25E with QSFP-40G-SR4 and QSFP-40G-CSR4 modules), and 6004 switches with 12 port line-card expansion modules (N6004-M12Q,QE) a 12f MTP jumper cable is run directly be-tween QSFP+ ports on the modules. This cabling is best for inter-switch links when both switches are in close proximity. This link would also work when QSFP+ ports are configured as 4 x 10G channels.



1 OM4 12f MTP(non-pinned) to 12f MTP(non-pinned) Jumper; Method B; Plenum Cable; xxx Meters; 1 P3XJDB99XLMXXXB

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Applications Guide




1 P3XM2DBXXXXM1A

2OM4 40G Transition Module: 2x 12f MTP(pinned) to 3x 8f MTP Ports 2 P3XCDB66XLF

3OM4 12f MTP(non-pinned) to 12f MTP(non-pinned) Jumper: Method A; Plenum Cable; XXX Meters 3 P3XJDB99XMXXXA

4 OM4 12f MTP(non-pinned) to 12f MTP(non-pinned) Jumper: Method B; Plenum Cable; XXX Meters 3 P3XJDB99XMXXXB

51U FBX Series Patch Panel( not shown) to house item 2 and 4 2 FBX081U

40G Structured Cabling Linked Switches

Figure 5: 40G Structured Cabling Linked Switches

In larger data centers where distances are greater and fiber counts are higher and switches are more widely dispersed, a structured cabling system provides a much better approach to cable management, utilization, and organization. Trunks are run between inter-connect points near 7000 series and 6000 series switches. From there, transition modules, and jumpers complete the connection to switches. Different length jumpers can be used to connect to individual QFSP+ ports located on the same or different switches.

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40G Aggregation (HDA) to Edge (EDA) Links

With 40G uplinks between QSFP+ port fabric interfaces on Nexus 2248PQ access switches and Nexus 6004 aggregation switches with 12 port line-card expansion modules (N6004-M12Q,QE) a 12f MTP jumper cable is run directly beween QSFP+ ports on the two switches. This cabling is best for inter-switch links when both switches are in close proximity. This link would also work when QSFP+ ports are configured as 4 x 10G channels.



1 OM4 12f MTP(non-pinned) to 12f MTP(non-pinned) Jumper; Method B; Plenum Cable; xxx Meters; 1 P3XJDB99XLMXXXB

40G Structured Cabling Linked Switches

In larger data centers where distances are greater and fiber counts are higher and switches are more widely dispersed, a structured cabling system provides a much better approach to cable management, utilization, and organization. Trunks are run between inter-connect points near 6000 series and 2000 series switches. From there, transition modules, and jumpers complete the connection to switches. Different length jumpers can be used to connect to individual QFSP+ ports located on the same or different switches.

Figure 7: 40G Structured Cabling Linked 6004 to 2000 Series Switches

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Applications Guide


10G Aggregation (HDA) to Edge (EDA) Links

With 10G uplinks between SFP+ port fabric interfaces on Nexus 2000 series (2148T, 2248TP, 2248TP-E, and 2232PP) access switches and Nexus 6004 aggregation switches with 12 port line-card expansion modules (N6004-M12Q,QE) an 8f MTP to LC harness is run directly beween QSFP+ and SFP+ ports on the two switches. This cabling is best for inter-switch links when both switches are in close proximity. Use this configuration only when QSFP+ ports on the 6004 are configured as 4 x 10G channels.

Figure 8: 10G Directly Linked 6004 to 2000 Series Switches


1 OM4 8f MTP(non-pinned) to 4 Duplex LC Harness; Plenum Cable; xxx Meters; 1 PXTDB49X844FXXX



1 P3XM2DBXXXXM1A

2 OM4 40G Transition Module: 2x 12f MTP(pinned) to 3x 8f MTP Ports 2 P3XCDB66XLF


4OM4 12f MTP(non-pinned) to 12f MTP(non-pinned) Jumper: Method B; Plenum Cable; XXX Meters 3 P3XJDB99XMXXXB

5 1U FBX Series Patch Panel( not shown) to house item 2 2 FBX081U

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Applications Guide




1 P3XM2DBXXXXM1A

2 OM4 40G Transition Module: 2x 12f MTP(pinned) to 3x 8f MTP Ports 1 P3XCDB66XLF

3 OM4 10G Transition Module: 12f MTPto 6 Duplex LC Ports; Polarity Method 3 2 P3XCDB14XL3


5 OM4 Duplex LC to Duplex LC Jumper; Plenum Cable; XXX Meters 12 P3XJDB14XMXXX

6 1U FBX Series Patch Panel( not shown) to house item 2 2 FBX081U

Figure 9: 10G Structured Cabling QSFP+ to SFP+ Ports

In larger data centers where distances are greater and fiber counts are higher and switches are more widely dispersed, a structured cabling system provides a much better approach to cable management, utilization, and organization. Trunks are run between inter-connect points near 6004 series and 2000 series switches. From there, transition modules, and jumpers complete the connection to switches. Different length jumpers can be used to connect to individual QSFP+ and SFP+ ports on the switches.

10G Structured Cabling QSFP+ to SFP+ Ports

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Applications Guide - Opticonx · Applications Guide anco oad utnam CT 00 • hone 7 •...

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