BGP and Tunnel

From: dusth@comcast.net
Date: Thu Nov 10 2005 - 21:05:33 GMT-3


Hi all, I need some clarification on how does bgp know to traverse inside the tunnel and what parameter of the tunnel interface tell that for bgp end points? I do not have access to the lab right now so I can not verify the config.
Here is the example:
r1:
interface tunnel 14
 ip unnumber loopback 0
 tunnel source 1.1.1.1
 tunnel destination 4.4.4.4
bgp 10
 nei 4.4.4.4 remote-as 10
 nei 4.4.4.4 update-source loopback0
Does the ip unnumber of the tunnel or the tunnel source & destination tell router that bgp traffic need to traverse inside the tunnel?

Thanks in advance,
Dustin



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