BGP local pref help

From: Svuillaume8@aol.com
Date: Wed Oct 02 2002 - 14:22:32 GMT-3


Hi,

If i've two routers with an IBGP session.
Each router has an Ebgp session to the same AS which announce a network 10.0.0.0.

                      -----
                     |AS 1 |
                      _____
                    | |
            ________|________|_____
            |AS 2..............AS2 |
            |______________________|

When i let the default parameter my two router have two
bgp route in thier bgp table.
In the right router, one to the left router and an other to AS1, however the best route is EBGP

*>10.0.0.0 to AS1
* 10.0.0.0 to AS2 (left router)

the bgp table is symetric in the left router.

Problem is when i change default local pref in the right
router, then my right router hasn't two route but only
one, to AS1, but i have two routes in the left router
one to AS1 and an other to AS2 (ibgp)????

Is it normal or not?????

Is the same symptom with MED????



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