IPv6 Training (Cisco) – How to Enable EIGRPv6 on a Cisco Router
Now, some of you maybe wondering, why did he write an article on how to enable EIGRPv6 on a Cisco Router, when I already know how to do that?
Well, to answer your question, enabling EIGRP on a router that is running on an IPv6 network, is slightly different from enabling EIGRP on a router that is running on an IPv4 network.
Meaning, a router that is running on an IPv6 network, had EIGRP (EIGRPv6) enabled per interface, instead of globally like a router running on an IPv4 network would. So, in other words, when enabling EIGRPv6 on a Cisco router, you don’t need to use the “network” command when the router is in Router Configuration Mode.
Instead you’ll need to perform the following steps:
1. Router>enable
2. Router#configure terminal
3. Router(config)#ipv6 unicast-routing
4. Router(config)#interface type number
5. Router(config-if)#ipv6 enable
6. Router(config-if)#ipv6 eigrp as-number
7. Router(config-if)#no shutdown
8. Router(config-if)#ipv6 router eigrp as-number
9. Router(config-router)#router-id {ip-address | ipv6-address}
10. Router(config-router)#no shutdown
11. Router(config-router)#exit
12. Router(config)#exit
13. Router#copy run start
Steps Explained:
Step #1
1. Router>enable
Puts router into Privileged EXEC mode.
Step #2
2. Router#configure terminal
Puts router into Global configuration mode.
Step #3
3. Router(config)#ipv6 unicast-routing
Configures the router to route IPv6 packets
Step #4
4. Router(config)#interface fastethernet 0/0
Specifies the fastethernet 0/0 interface on which EIGRPv6 is to be configured.
Step #5
5. Router(config-if)#ipv6 enable
Enables IPv6 processing on the fastethernet 0/0 interface.
Step #6
6. Router(config-if)#ipv6 eigrp 1
Enables the EIGRP for IPv6 process on the fastethernet 0/0 interface.
Step #7
7. Router(config-if)#no shutdown
Starts the EIGRP for IPv6 protocol (process) without changing any per-interface configuration.
Step #8
8. Router(config-if)#ipv6 router eigrp 1
Puts the router into router configuration mode and creates an EIGRP for IPv6 routing process.
Step #9
9. Router(config-router)#router-id {ip-address | ipv6-address}
Enables the router to use a fixed router ID. (Remember each router Id must be unique)
Step #10
10. Router(config-router)#no shutdown
Put the EIGRPv6 routing process in “no shutdown” mode in order to start the EIGRPv6 process.
