Hi, On Tue, Sep 30, 2008 at 07:14:50PM +0200, julien leroiso wrote: > > I have 2 bgp routers (named border1 and border2) with a ebgp session to one > ISP (yyy.yyy.yyy.yyy) and ibgp session (xxx.xxx.xxx.1 and xxx.xxx.xxx.2). > > My border2 is very very slow to converge. After +-3h I didn't get all my > border1 routes.
This is perfectly normal and to be expected.
In the following scenario:
ISP 1 -- border 1 -- border 2 -- ISP 2
border 1 will only send those routes to border 2 that are "best" via ISP1.
For those routes that border 1 will prefer via border 2 -> ISP 2, it
will not send its own prefixes back to border2.
(You can test this by shutting down the session border2 <-> ISP2. After
this, you should see all routes from border1 --> border2, and no routes
from border2 --> border1)
gert
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Gert Doering - Munich, Germany [EMAIL PROTECTED]
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