GREENFIELD IPV6 - UK IPv6 Council · • 40 minutes from Singapore • Other HE institutions:...
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT Copyright University of Reading GREENFIELD IPV6 1 Information Technology
Transcript of GREENFIELD IPV6 - UK IPv6 Council · • 40 minutes from Singapore • Other HE institutions:...
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT Copyright University of Reading
GREENFIELD IPV6
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Information Technology
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
CAMPUS AND LOCATION Educity Iskandar, Malaysia
• 40 minutes from Singapore • Other HE institutions:
Newcastle University Medicine University of Southampton NMIT Raffles University Iskandar MDIS
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
CAMPUS AND LOCATION Facilities include:
• Four lecture theatres • Teaching and research labs • Building Information Modelling lounge • Dealing room • Moot court
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
NETWORK DESIGN • 4,500 access ports • 124 x 11ac Wi-Fi APs • Two data centres • 14 comms rooms • VoIP everywhere • Four video conference facilities • Building services on IP
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• Assigned AS number • /48 of IPv6 PI address space • /23 of IPv4 PI address space • Single IGP for both IPv6 and
IPv4 • BGP to two commercial ISPs • Fabric-based network • IPv6 first, IPv4 overlaid
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT 5
EX4600 Virtual Chassis
QFX5100 Virtual Chassis Fabric
South Data CentreNorth Data Centre
Revision / Date:
Authorised By:
Drawn By:Building(s):
Title: UoRM Iskandar Core Network
Iskandar EducityA. J. Gatward
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0.3 – 03 December 2014
Key:
40GBase-DA40GBase-LR40GBase-MR10GBase-LR10GBase-SR10GBase-DA1000Base-LX1000Base-T
CORE-N
FW-NWLAN-N
DNS-N
DC-SP-N
VPN-N BLOX-N NTP-N
DC-L-N1-U DC-L-N1-L
DC-OOB-N1
CORE-S
FW-S
WLAN-S
DNS-S
DC-SP-S
VPN-SBLOX-SNTP-S
DC-L-S1-UDC-L-S1-L
DC-OOB-S1
JUNOS PULSEGATEWAY
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EX4200 8PoE
North DC ServersJUNOS PULSE
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EX4200 8PoE
North DC Servers
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT 6 South-west 2nd Floor
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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South-west 1st Floor
J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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South-east 1st Floor
J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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L ink Mode
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L ink Mode 36
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All.R J 245.Ports .(1.2.48).a re .Auto2MD IX*
LEDMode
S ta tus
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J 9775A
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J 9775AS witch
HP .2530248G
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L oc a tor
Fault
Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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Ac t
FD x
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J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
Fault
Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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Ac t
FD x
S pd*
J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
Fault
Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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J 9775A
S w itc hH P .2530248G
North-east Ground Floor South-west Ground Floor
North Lower Ground Floor South-east Ground Floor
South Lower Ground Floor
J 9775AS witch
HP .2530248G
Console
L oc a tor
Fault
Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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J 9775A
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J 9775AS witch
HP .2530248G
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L oc a tor
Fault
Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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Ac t
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J 9775A
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J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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S pd*
J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
C onsole
Ac t
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S pd*
J 9775A
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J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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FD x
S pd*
J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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Ac t
FD x
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J 9775A
S w itc hH P .2530248G
North-west Ground Floor
J 9775AS witch
HP .2530248G
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L oc a tor
Fault
Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
C onsole
Ac t
FD x
S pd*
J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
C onsole
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S pd*
J 9775A
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J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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FD x
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J 9775A
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J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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FD x
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J 9775A
S w itc hH P .2530248G
North-east 1st Floor
J 9775AS witch
HP .2530248G
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L oc a tor
Fault
Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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FD x
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J 9775A
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J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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FD x
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J 9775A
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J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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FD x
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J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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FD x
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J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
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L oc a tor
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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FD x
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J 9775A
S w itc hH P .2530248G
J 9775AS witch
HP .2530248G
Console
L oc a tor
Fault
Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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North-east 2nd Floor
J 9775AS witch
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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North-west 2nd Floor
J 9775AS witch
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Power
10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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J 9775A
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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Tes t
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FD x
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J 9775A
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J 9775AS witch
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10/100/1000Base2T .Ports .(1.2.48)S pd.Mode: O ff.=.10.Mbps , fla sh .=.100.Mbps , on.=.1000+.Mbps
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1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
0 2 4 6 8 10
1 3 5 7 9 11
12 14 16 18 20 22
13 15 17 19 21 23
24 26 28 30 32 34
25 27 29 31 33 35
36 38 40 42 44 46
37 39 41 43 45 47
48 50 52
49 51 53
2 x 40GbE to CORE-N 2 x 40GbE to CORE-S
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
NETWORK DESIGN • Single IGP covering IPv6 and IPv4
7
Benefits Risks Lower overhead Bugs could affect both stacks Consistent topology Training for staff Improved convergence Remembering to look at ‘v6’
protocol for v4 diagnostics Simpler configuration Remember to enable IPv6 on all
interfaces
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
OSPFV3 FOR IPV4 Uses realms to handle address families
• IPv6 unicast (default) • IPv6 multicast • IPv4 unicast • IPv4 multicast
8
protocols { ospf3 { realm ipv4-unicast { area 0.0.0.0 { interface lo0.0; interface irb.53;
... } } area 0.0.0.0 { interface lo0.0; interface irb.53; ... } } }
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
IPV6 ADDRESSING End-user hosts using SLAAC, with plans to migrate to DHCPv6
• Group policy to disable privacy extensions • Predictable addresses based on MAC address allows for DNS registration • Waiting for vendor support for RFC6939 (option 79, DHCPv6 client link-layer address)
Servers have static addresses, with per-service prefixes • 2001:db8:abc:123::<svc>:<inst>:<id> • Examples:
• Authoritative DNS servers are 2001:df0:2bf:1::53:1 and :2 • Video conferencing MCU / gateway on 2001:df0:2bf:1::5060:1:1 and :2
9
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
IPV6 SITE-TO-SITE VPN Campuses connected via IPSEC VPN over the Internet
• Private peering between Telekom Malaysia and Janet • ~190ms RTT • IPv4 outer encapsulation with IPv6 and IPv4 inner tunnel
• Not using GRE, as not required • IPv6 using ULA addresses (/126) • IPv4 using RFC1918 (/30)
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
IPV6 SITE-TO-SITE VPN traceroute to ntp.reading.edu.my (2001:df0:2bf::24) from 2001:630:53:fa::e4, 30 hops max, 24 byte packets 1 vlan-250.net.rdg.ac.uk (2001:630:53:fa::fe) 1.202 ms 0.988 ms 0.893 ms 2 xe-5-0-7.core-wk.net.rdg.ac.uk (2001:630:53:8898::39) 0.281 ms 0.3 ms 0.267 ms 3 campus-bb.fw-ext.net.rdg.ac.uk (2001:630:53:8971::41) 0.441 ms 0.497 ms 0.403 ms 4 fd0c:8da8:1839::2 (fd0c:8da8:1839::2) 197.07 ms 196.866 ms 196.909 ms 5 irb-3920.core-ec.net.reading.edu.my (2001:df0:2bf::16) 205.513 ms 200.181 ms 203.947 ms 6 tick.reading.edu.my (2001:df0:2bf::24) 196.883 ms 197.283 ms 197.334 ms
Recommended to opt in to unofficial ULA registry at https://www.sixxs.net/tools/grh/ula/
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
IPV6 SERVICES DNS
• Uses IPv6 only for zone transfers, combined with TSIG. • Not all registrars support IPv6 glue, so choose carefully. • Client-facing DNS using Anycast, more on this in a moment…
NTP • We run Stratum 1 NTP servers, using GPS + PPS as references. • Peering between the two servers over IPv6 only. • Peering with outside servers as backup reference done via IPv6.
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
IPV6 SERVICES File and Print
• Windows 2016 Technical Preview • Stretched cluster with synchronous replication (over 40GbE) • IPv6 cluster endpoint addresses • Print management software does not support IPv6 !
• Printers, IIS, databases do support IPv6
13
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
IPV6 SERVICES Email / calendaring / voicemail
• Unix MTA using Exim. Fully IPv6 compliant. • Mail storage using Exchange 2013, delivery to Exchange over IPv6.
Web • External web hosting provider doesn’t support IPv6 (Amazon AWS) • Used CloudFlare services as CDN in front of web hosting to enable
IPv6 and provide DDoS protection
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
IPV6 SERVICES Unified Comms (Skype for Business)
• Fully IPv6 enabled, uses IPv6 by default wherever possible. • Handsets support IPv6 correctly
• Polycom VVX500, firmware 5.4.0 • Video conferencing endpoints support IPv6 transport
• Polycom RealPresence Group 500 and Group 700 • Some functionality lost over IPv6, but nothing we use.
• Internal SIP trunks using IPv6, TLS and SRTP. • Using Pexip for video conference MCU and technology bridging, has IPv6 support out
the box. 15
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
DNS ANYCAST Client-facing resolvers
• Linux servers running Ubuntu 14.04 LTS • BIND 9.9.5 + patches • RPZ implemented for Malaysian regulatory compliance • Quagga to provide BGP stack
• OSPFv3 stack is unstable and doesn’t support realms
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
DNS ANYCAST • Provides rapid failover between
DNS servers • Can provide load balancing
between DNS servers • Server talks BGP (or another
routing protocol) to network • Uses loopback address(es) on
server
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LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
DNS ANYCAST
router bgp 65535 bgp router-id 10.0.53.1 bgp log-neighbor-changes redistribute connected timers bgp 3 10 neighbor 10.1.0.1 remote-as 198723 neighbor 10.1.0.1 update-source lo neighbor 10.1.0.1 next-hop-self neighbor 10.1.0.1 prefix-list anycast-dns-v4 out neighbor 2001:db8::1 remote-as 198723 neighbor 2001:db8::1 update-source lo no neighbor 2001:db8::1 activate
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address-family ipv6 redistribute connected neighbor 2001:db8::1 activate neighbor 2001:db8::1 next-hop-self neighbor 2001:db8::1 prefix-list anycast-dns-v6 out exit-address-family ! ip prefix-list anycast-dns-v4 permit 10.53.53.53/32 ipv6 prefix-list anycast-dns-v6 permit 2001:db8:53::/128
Quagga BGP configuration for Anycast addresses 2001:db8:53:: and 10.53.53.53:
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
IPV4 LEGACY STUFF • Door access and intruder alarm systems • CCTV • SIP trunks to ITSP
• SBC (Audiocodes) does support IPv6, but not reliable. • ITSP does not support IPv6 and most likely will never do so.
• Printer management • Library catalogue
• Cloud hosted, IPv6 on committed roadmap for within 12 months. 19
LIMITLESS POTENTIAL | LIMITLESS OPPORTUNITIES | LIMITLESS IMPACT
QUESTIONS?
20
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