[j-nsp] Traceroute Throught MPLS Core

sthaug at nethelp.no sthaug at nethelp.no
Wed Jan 14 02:32:40 EST 2009


> > You should have ICMP tunneling enabled on all P routers.
> 
> We tried this before and it didn't work; perhaps because we 
> need to do the same on the Cisco P routers (although those 
> are really collapsed P/PE boxes).
> 
> Is it necessary to have ICMP Message Tunneling on the 
> Juniper-based PE routers as well (we tried that too, but it 
> didn't help)?

We have working traceroute through our Juniper MPLS core, and we *don't*
have any ICMP tunneling enabled. We do, however, have Internet in the
inet.0 routing table, not in a VRF.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no



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