Mailing List Archive: Cisco: NSP

BGP route-orgination

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ibrahim.abozaid at gmail

Jul 11, 2008, 10:26 AM

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BGP route-orgination

Dear All

i just want to share a point with you , if we used network command to
originate BGP route , the route NH will be automatically set to local BGP
router-id while if we used redistrbtion the route preserves into NH
independent of local router-id so next-hop-self should be used

is that completely right or it depends on IOS version ?

best regards
--Ibrahim
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paul at gtcomm

Jul 11, 2008, 5:22 PM

Post #2 of 2 (427 views)
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BGP route-orgination [In reply to]

Correct me if I'm wrong but the IOS usually:

If a network statement is present, next-hop-self is set.
If a network is redistributed from another protocol, EBGP export is
rewritten to the peer address,
but IBGP carries over the next-hop from the injection point.

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