From: Brett Summerville (phreeze@xxxxxxxxx)
Date: Fri Oct 15 1999 - 11:07:53 GMT-3
Hey Ben,
When you turn off synchronization you are telling the routers not to
confirm a route through an IGP like EIGRP in the ip routing table.
With synchronization turned on, your BGP border router will not
advertise an internal route to the rest of the world without having a
valid route in it's ip routing table.
-----Original Message-----
From: Ben Rife <brife@bignet.net>
To: ccielab@groupstudy.com <ccielab@groupstudy.com>
Date: Friday, October 15, 1999 9:51 AM
Subject: BGP and synchronization
Hi guys,
Question:
I have an AS 300 which has 2 routers, both running BGP. One of the
routers is connected to another AS 100 as follows:
======== =========
ROUTER1----------------ROUTER2
|
======== |
AS100 ROUTER3
=========
AS300
On router 3, I have created a loopback interface and given it an
address. I want to advertise it to Router1/2. In order for Router 3 to
advertise it to Router 2, I have to turn off synchronization on 2 and
3. Why? How does the rule of synchronization affect things here?
Thanks for all your help,
TRy #3 (Dec 5-6, RTP)
Benjy Rife
MCSE, CNE, CCIE Candidate
brife@bignet.net
www.bignet.net/~brife
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