eBGP Neighbor Relationships:
• different AS number: eBGP neighbors must reside in different autonomous systems
• defined neighbor: a TCP session must be established before exchanging routing updates
• reachability: by default, eBGP neighbors must be directly connected
** UPDATE June 28, 2020 ** The video is available! Watch here:
• different AS number: eBGP neighbors must reside in different autonomous systems
• defined neighbor: a TCP session must be established before exchanging routing updates
• reachability: by default, eBGP neighbors must be directly connected
Basic eBGP Configuration:
1️⃣ Enable the BGP routing process.
Example: router bgp 64496
2️⃣ Establish neighbor relationships.
Example: neighbor 198.51.100.1 remote-as 64511
3️⃣ Advertise networks with BGP.
Example: network 203.0.113.0 mask 255.255.255.0
** UPDATE June 28, 2020 ** The video is available! Watch here:
** UPDATE July 4, 2020 ** Demonstrating the iBGP vs. eBGP concepts in a GNS3 lab. Video available here:
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