Transcript Establishment of IPv6 Enabled Test Bed at ERNET

Demo on IPv6 Routing
Tarun Kr. Arora
ERNET India
[email protected]
Outline of Demo
 Enable
IPv6 Routing
 Enable
OSPF for IPV6
 Enable
IPv6 on Interfaces
 Sample
Configuration
 Troubleshooting
28 April 2020
Commands
ERNET India
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Enable IPv6 Routing
RouterA # conf term
RouterA(config)# ipv6 unicast-routing
Note : Internetworking Operating System (IOS) of the Router must support IPv6 Protocol.
We are using Cisco IOS 12.3(11)T3 Version
28 April 2020
ERNET India
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Enable OSPF for IPV6
RouterA # conf term
RouterA(config)# ipv6 router ospf 2698
RouterA(config-rtr)# area 0 range 2001:E30:0000::/40
RouterA(config-rtr)# area 1 range 2001:E30:1800::/40
28 April 2020
ERNET India
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Enable IPv6 on Router Interface
RouterA # conf term
RouterA(config)#interface s1/1/4
RouterA(config-if)#ipv6 address 2001:0E30::22/126
RouterA(config-if)#ipv6 ospf 2698 area 0
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ERNET India
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Sample Configuration
2001:0e30::22/126
2001:0e30:1401:1::5/64
2001:0e30::21/126
S4/1
Fa1/0
Area 9
S1/1/4
Fa1/0/0
Area 0
RouterB
Area 1
RouterA
2001:0e30:1401:1:30f:7eff:fefe:34ab
28 April 2020
2001:0e30:1801:1::3/64
2001:0e30:1801:1:20e:7fff:fefe:1aab
ERNET India
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RouterA Configuration
ipv6 unicast-routing
Interface S1/1/4
Ipv6 address 2001:e30:22/126
Ipv6 ospf 2698 area 0
Interface Fa1/0/0
Ipv6 address 2001:e30:1801:1::3/126
Ipv6 ospf 2698 area 1
Ipv6 router ospf 2698
area 0 range 2001:E30::/40
area 1 range 2001:E30:1800::/40
28 April 2020
ERNET India
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RouterB Configuration
ipv6 unicast-routing
Interface S4/1
Ipv6 address 2001:e30:21/126
Ipv6 ospf 2698 area 0
Interface Fa1/0
Ipv6 address 2001:e30:1401:1::5/64
Ipv6 ospf 2698 area 9
Ipv6 router ospf 2698
area 0 range 2001:E30::/40
area 9 range 2001:E30:1400::/40
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ERNET India
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Troubleshooting Commands

show ipv6 interface s1/1/1

show ipv6 ospf 2698

show ipv6 ospf neighbour

clear ipv6 ospf ?
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ERNET India
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del-br#sh ipv6 int s1/1/1
Serial1/1/1 is up, line protocol is up
IPv6 is enabled, link-local address is FE80::201:64FF:FEEF:B008
Description: ## Mumbai-I ##
Global unicast address(es):
2001:E30::5, subnet is 2001:E30::4/126
Joined group address(es):
FF02::1
FF02::2
FF02::5
FF02::D
FF02::16
FF02::1:FF00:5
FF02::1:FFEF:B008
MTU is 1500 bytes
ICMP error messages limited to one every 100 milliseconds
ICMP redirects are enabled
ND DAD is enabled, number of DAD attempts: 1
ND reachable time is 30000 milliseconds
Hosts use stateless autoconfig for addresses.
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ERNET India
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del-br#sh ipv6 ospf 2698
Routing Process "ospfv3 2698" with ID 202.141.144.254
It is an area border router
SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs
LSA group pacing timer 240 secs
Interface flood pacing timer 33 msecs
Retransmission pacing timer 66 msecs
Number of external LSA 0. Checksum Sum 0x000000
Number of areas in this router is 2. 2 normal 0 stub 0 nssa
Area BACKBONE(0)
Number of interfaces in this area is 6
SPF algorithm executed 612 times
Area ranges are
2001:E30::/40 Active(192) Advertise
Number of LSA 92. Checksum Sum 0x2F19FC
Number of DCbitless LSA 0
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ERNET India
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Cont.
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0
Area 1
Number of interfaces in this area is 3
SPF algorithm executed 30 times
Area ranges are
2001:E30:1800::/40 Active(1) Advertise
2001:E30:4000::/40 Active(1) Advertise
Number of LSA 14. Checksum Sum 0x06E377
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0
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show ipv6 ospf neighbour
Neighbor ID
Pri State
Dead Time Interface ID Interface
202.141.144.251 1 FULL/ -
00:00:39 23
Serial1/1/4
202.141.144.245 1 FULL/ -
00:00:39 12
Serial1/1/2
202.141.144.242 1 FULL/ -
00:00:39 3
Serial1/1/1
202.141.144.242 1 FULL/ -
00:00:39 12
Serial1/1/0
del-br#clear ipv6 ospf ?
<1-65535>
Process ID number
counters
OSPF counters
force-spf
Run SPF for OSPF process
process
Reset OSPF process
redistribution Clear OSPF route redistribution
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ERNET India
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IPv6 Enabled ERNET Backbone
Delhi
Backbone IPv6 Addresses
2001:0E30:000::/40
2001:0E30::22/126
2001:0E30::5/126
::21
Kanpur
::13
2001:0E30::6/126
Backbone Area 0
Mumbai
2001:0E30::18/126
Kolkata
OSPFv3
2001:0E30::57/126
::198
::58
Pune
Hyderabad
::197
2001:0E30::101/126
::126
2001:0E30::102/126
::125
::129
::178
::177
::130
Chennai
::14
IISC ::137
::138
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VSAT HUB
ERNET India
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Area Distribution for OSPFv3

Area has been configured for OSPFv3 in accordance with existing
OSPF configuration
Area 0
Area 1
Area 2
Area 3
Area 4
Area 5
Area 6
Area 7
Area 8
Area 9
28 April 2020
ERNET Backbone
ERNET HQ Delhi
C-DAC Mumbai
IUCAA Pune
IISC Banglore
ERNET Hub Banglore
IIT Chennai
University of Hyderabad
VECC Kolkata
IIT Kanpur
ERNET India
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Thank You
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ERNET India
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