Problems with IPv6 EIGRP on GNS3

vinbuck

I'm probably going to feel like an idiot once someone points out what i'm doing wrong, but I can't seem to get my GNS3 lab for IPv6 EIGRP working

I have 4 routers connected via serial links (7204VXR with PA-4T+ card)

R1 S1/0 --> R2 S1/0
R1 S1/1 --> R3 S1/1
R2 S1/1 --> R4 S1/1

I'm working off of the example 8-52 in the ROUTE FLG (adapted to match my interface numbering)

R1 (config) #ipv6 unicast-routing
R1 (config) #interface Serial1/0.2 point- to-point
R1 (config-subif) #ipv6 eigrp 100
R1 (config-subif) #interface Serial1/1.3 point-to-point
R1 (config-subif) #ipv6 eigrp 100
R1 (config-subif) #exit
R1 (config) #

I can't seem to enable the "point-to-point" component of the subinterface without using Frame-Relay as the encapsulation type. Maybe the author intended for this to be understood, but it doesn't seem to be noted anywhere in the network drawing or the configuration examples. I can create subinterfaces if I use PPP as the encapsulaltion, but not with the "point-to-point" suffix.

Am I overlooking the obvious? Is Frame Relay my only option here if I want a "point-to-point" subinterface?

jason_lunde

AFAIK the only way to use point-to-point subints is with frame relay encap. I may be wrong though. Dont forget to do a "no shut" under your ipv6 eigrp router process or it wont work for you either.