BGP: Difference between revisions

37 bytes removed ,  3 years ago
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= Next Hop Processing =
 
* eBGP: Changes next hop address on advertized routes.
* iBGP: Do not changes next hop address on advertized routes.
iBGP was designed to be run in Frame Relay, Ethernet:
 
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[R2]
 
* Here if Peering is formed between R1-R2 & R2-R3.
* Traffic from R1 can reach R3 directly if the next hop IP is not changed.
* Else it needs to pass through R2 unnecessarily.
* Can be changed with:
# neighbor 1.1.1.1 next-hop-self
 
= BGP Split Horizon =