Hi @Student690 ,
Pinging from R5 to R6 gi0/1 doesn't require any route on R5, as it is directly connected. Pinging for R5 to R6 gi0/0 does require a route though, as it is not directly connected.
Try adding the following default routes.
R5:
ipv6 rout...
Hi @noforshow92 ,
> It seems like only the port that connected to the third router can function as a source and destination
I have not done extended testing, but it looks like it is the case.
> Another thing, why doesn't my CLI recognize the mtu com...
Hi @noforshow92 ,
I made the modification to use the physical interface instead of the loopback interface as recommended previously and it works for me.
Router2:
interface Tunnel0
ip address 100.100.100.10 255.255.255.0
mtu 1476
tunnel source Gigabit...