From: Bob Sinclair (bsin@cox.net)
Date: Tue Feb 01 2005 - 17:26:20 GMT-3
Jonathan,
Just like the OSPF RID, the BGP RID is just a 32-bit number; it does not
have to be reachable. Only the BGP peering address and the prefix next-hops
have to be reachable.
HTH,
Bob Sinclair
CCIE #10427, CCSI 30427, CISSP
www.netmasterclass.net
----- Original Message -----
From: "Jonathan ZD" <Nuvo25@hotmail.com>
To: "CCIE - GS" <ccielab@groupstudy.com>
Sent: Tuesday, February 01, 2005 3:03 PM
Subject: BGP Router-ID
> Is it neccessary that BGP Router-ID has to be reachable by its BGP-peers.
> For
> example, if the following configuration valid?
>
> Rtr 01
>
> router bgp 100
> bgp router-id 1.1.1.1
> nei 192.168.21.2 remot 100
>
> ---------
>
> Rtr 02
>
> router bgp 100
> bgp router-id 2.2.2.2
> nei 192.168.21.1 remot 100
>
> *** The router-id (1.1.1.1 and 2.2.2.2), in this case, is not reachable by
> IGP
> between both routers.
>
> ----------
>
> Thanks
>
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