From: Nick Shah (nshah@xxxxxxxxxxxxxx)
Date: Fri Apr 12 2002 - 02:31:38 GMT-3
Is it a full mesh ? I think not... The trouble here is that R3 tries to go
*thru* R1 to reach R2(because of the topology) ... if you have a full mesh,
R3 will go directly to R2 and beyond ...
Nick
----- Original Message -----
From: "sanjay" <ccienxtyear@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Friday, April 12, 2002 2:00 PM
Subject: BGP question
> Folks,
>
> I have 3 routers across frame. R1 is the HUB with subinterfaces. R2 and R3
are
> spokes. Theres OSPF running between all these routers and every interface
from
> every router can ping each other.
> On R2, I have an EBGP session to an ISP router. R2 also has an IBGP
session to
> R3. The ISP is sending some routes and I can see those routes on R2 and
R3. I
> have fixed the next hop self, so to get to the ISP, R3 will use R2 as next
> hop.
>
> The problem is when I ping, the ping gets to the subinterface of the HUB
> router and dies. Doing a trace also shows this. Since the HUB is not
running
> BGP, so is not aware of the BGP route. When I put a default route on the
HUB
> router pointing to R2, I can then successfully ping the ISP network. Is
there
> anyways to ping the ISP nets, without the use of a default route ? since
using
> static or default routes are a TABOO.
>
> thanks,
> Jay
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