I have a subinterface which has /29 globally routable IP network associated with it. Today after recovery of a major routing instability in the network, this particular /29 network still behaved tricky- hosts behind this subinterface were able to reach some Internet hosts, but there was no consistency. If I tried to reach hosts inside this mentioned /29 network, I always ended up in the router where this /29 is configured, but got no replies from hosts inside the /29. This didn't matter if I tried from the same AS where the /29 belongs to or from some other. Routing table(inet.0 as those are IPv4 addresses) table entries were correct. Finally I disabled this particular subinterface, waited few minutes and enabled the interface which solved the problem- all the hosts in the /29 became reachable from Internet. However, I didn't detect any differences in routing table. What might cause such situation? And what happens internally when interface is disabled/enabled when we talk about routing?
One thing I remember I didn't check was the content of the forwarding table. I have no idea how plausible this is, but maybe there was some inconsistency between the routing table and forwarding table? However, anyone experienced something similar? regards, martin _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
