From: Michael Zuo (mzuo@ixiacom.com)
Date: Tue Nov 07 2006 - 21:54:53 ART
Hi Group,
Anyone knows a good link from doc CD that explains the in and outs of
GRE tunneling?
I like to become more knowledgeable on how exactly tunneling work with
IP routing. Specifically:
1. can unnumbered tunnel interfaces be advertised into OSPF (does
this happen automatically if the original interface is in OSPF already)?
2. what happens when packet comes out of a tunnel, how are they
routed? Exactly like any other packets?
3. what happens when tunnel configuration is done only on one side?
The interface comes up, but does it do anything?
4. if I use policy routing, the set statement would be "set
interface tunnel 0" or do I need to set next hop as well?
Thanks a bunch....!
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