Addressing Table

Objectives

Part 1: Configure OSPFv3 Routing
Part 2: Verify Connectivity

Background
In this activity, the IPv6 addressing is already configured. You are responsible for configuring the three router topology with basic single area OSPFv3 and then verifying connectivity between end devices.

Part 1: Configure OSPFv3 Routing
Step 1: Configure OSPFv3 on R1, R2, and R3.

Use the following requirements to configure OSPF routing on all three routers:

  • Enable IPv6 routing
  • Process ID 10
  • Router ID for each router: R1 = 1.1.1.1; R2 = 2.2.2.2; R3 = 3.3.3.3
  • Enable OSPFv3 on each interface
    Note: Packet Trace version 6.0.1 does not support the auto-cost reference-bandwidth command, so you will not be adjust bandwidth costs in this activity.

A. Configuration on R1

R1(config)#ipv6 unicast-routing
R1(config)#ipv6 router ospf 10
R1(config-rtr)#router-id 1.1.1.1
R1(config-rtr)#auto-cost reference-bandwidth 1000
% OSPF: Reference bandwidth is changed.
Please ensure reference bandwidth is consistent across all routers.
R1(config-rtr)#passive-interface gi0/0
R1#clear ipv6 ospf process
Reset ALL OSPF processes? [no]: y
R1#
R1(config)#int gi0/0
R1(config-if)#ipv6 ospf 10 area 0
R1(config-if)#int s0/0/0
R1(config-if)#ipv6 ospf 10 area 0
R1(config-if)#int s0/0/1
R1(config-if)#ipv6 ospf 10 area 0
R1(config-if)#

B. Configuration on R2

R2(config)#ipv6 unicast-routing
R2(config)#ipv6 router ospf 10
R2(config-rtr)#router-id 2.2.2.2
R2(config-rtr)#auto-cost reference-bandwidth 1000
% OSPF: Reference bandwidth is changed.
Please ensure reference bandwidth is consistent across all routers.
R2(config-rtr)#passive-interface g0/0
R2(config-rtr)#end
R2#clear ipv6 ospf process
Reset ALL OSPF processes? [no]: y
R2#

R2#configure t
R2(config)#int gi0/0
R2(config-if)#ipv6 ospf 10 area 0
R2(config-if)#int s0/0/0
R2(config-if)#ipv6 ospf 10 area 0
R2(config-if)#int s0/0/1
R2(config-if)#ipv6 ospf 10 area 0
R2(config-if)#

C. Configuration on R3

R3(config)#ipv6 unicast-routing
R3(config)#ipv6 router ospf 10
R3(config-rtr)#router-id 3.3.3.3
R3(config-rtr)#auto-cost reference-bandwidth 1000
% OSPF: Reference bandwidth is changed.
Please ensure reference bandwidth is consistent across all routers.
R3(config-rtr)#passive-interface gi0/0
R3#clear ipv6 ospf process
Reset ALL OSPF processes? [no]: y

R3(config)#int gi0/0
R3(config-if)#ipv6 ospf 10 area 0
R3(config-if)#int s0/0/0
R3(config-if)#ipv6 ospf 10 area 0
R3(config-if)#int s0/0/1
R3(config-if)#ipv6 ospf 10 area 0
00:15:23: %OSPFv3-5-ADJCHG: Process 10, Nbr 2.2.2.2 on Serial0/0/1 from LOADING to FULL, Loading Done

Step 2: Verify OSPF routing is operational.
Verify each router has established adjacency with the other two routers. Verify the routing table has a route to every network in the topology.

R1#show ipv6 ospf neighbor

Neighbor ID Pri State Dead Time Interface ID Interface
2.2.2.2 0 FULL/ – 00:00:39 4 Serial0/0/0
3.3.3.3 0 FULL/ – 00:00:34 4 Serial0/0/1

R1#show ipv6 route
IPv6 Routing Table – 10 entries
Codes: C – Connected, L – Local, S – Static, R – RIP, B – BGP
U – Per-user Static route, M – MIPv6
I1 – ISIS L1, I2 – ISIS L2, IA – ISIS interarea, IS – ISIS summary
O – OSPF intra, OI – OSPF inter, OE1 – OSPF ext 1, OE2 –
Please follow step 2 to verify OSPF routing on R2 and R3

Part 2: Verify Connectivity
Each PC should be able to ping the other two PCs. If not, check your configurations.

Ping connection from PC1 to PC3

Packet Tracer PC Command Line 1.0
C:>ping 2001:DB8:CAFE:3::10

Pinging 2001:DB8:CAFE:3::10 with 32 bytes of data:

Reply from 2001:DB8:CAFE:3::10: bytes=32 time=14ms TTL=126
Reply from 2001:DB8:CAFE:3::10: bytes=32 time=13ms TTL=126
Reply from 2001:DB8:CAFE:3::10: bytes=32 time=13ms TTL=126
Reply from 2001:DB8:CAFE:3::10: bytes=32 time=14ms TTL=126

Ping statistics for 2001:DB8:CAFE:3::10:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 13ms, Maximum = 14ms, Average = 13ms
C:>

Note: This activity is graded using only connectivity tests. The instructions window will not show your score. To see your score, click Check Results > Assessment Items. To see the results of a specific connectivity test, click Check Results > Connectivity Tests.

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