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