BGP: Difference between revisions
→Next Hop Processing
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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:
[R1] [R3]
| |
---------
|
[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.
= MED vs Local Preference =
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