[j-nsp] JUNOS Equivalent to CISCO IOS next-hop-self

Robert Kiessling Robert.Kiessling at de.easynet.net
Tue Oct 21 13:54:15 EDT 2003


Pedro Roque Marques <roque at juniper.net> writes:

> You will not get into forwarding loops
> unless your network design is such that clients are in the forwarding
> path between RRs... which is a no-no anyway.

Why is the follow a no-no?

  C1 ------- C2 --------- RR

Both C1 and C2 are route reflector clients of RR. C1 announces a
prefix to RR; C2 sees this prefix with a next-hop of RR (if
unconditional next-hop self is configured). And we have a forwarding
loop in what looks like a perfectly sane topology to me.

Robert


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