Comment by Polizeiposaune
2 days ago
A router still needs a non-link-local address in order to be able to send ICMP errors off-link -- which you're going to want if you want sensible output from traceroute..
2 days ago
A router still needs a non-link-local address in order to be able to send ICMP errors off-link -- which you're going to want if you want sensible output from traceroute..
Use a loopback address! Only one to configure per host, and useful to establish iBGP sessions on them afterwards.
There is an RFC for ICMP extensions that fix this, RFC 5837.