From: GOLBERY Irčne (irene.golbery@xxxxxxxx)
Date: Wed Apr 24 2002 - 06:32:09 GMT-3
Basic configuration ,
On RA :
Router bgp 1
...
Neighbor 3.3.3.3 remote-as 2
Neighbor 3.3.3.3 route-map PREF in
......
route- map PREF permit 10
match ip address 1
set local-preference 200
route- map PREF permit 20
access-list 1 permit 10.0.0.0 0.255.255.255
Thanks
Irhne.
-----Message d'origine-----
De : Yadav, Arvind K (CAP, GECIS) [mailto:Arvind.Yadav@gecis.ge.com]
Envoyi : mercredi 24 avril 2002 11:03
@ : GOLBERY Irhne; ccielab@groupstudy.com
Objet : RE: BGP and Local Preference
Importance : Haute
Can you post your config
-----Original Message-----
From: GOLBERY Irhne [mailto:irene.golbery@arche.fr]
Sent: Wednesday, April 24, 2002 1:33 PM
To: ccielab@groupstudy.com
Subject: BGP and Local Preference
Hello,
I am looking for some URL or documentation "EXPLAINING IN DETAILS" how does
local preference is represented in the SHOW IP BGP command ?
10.0.0.0/8
------------------------------
| |
RC (AS 2) RD
| |
| |
| |
RA (AS 1) RB
I mean,
- RA(lo0:3.3.3.1) iBGP peer with RB (lo0:3.3.3.2) in AS 1
- RA(lo0:3.3.3.1) eBGP peer with RC (lo0:3.3.3.3) in AS 2
- RB(lo0:3.3.3.2) eBGP peer with RD(lo0:3.3.3.4) in AS 2
RA set a Local preference of 200 for network 10. 0.0.0 announced by RC
RB doesn 't change the defaul local preference
When looking at the sh ip bgp,
RB#sh ip bgp
Network Next Hop Metric LocPrf Weight
Path
* 10.0.0.0/8 3.3.3.4 0 2 i
*>i 3.3.3.1 200 0 2 i
RA#sh ip bgp
Network Next Hop Metric LocPrf
Weight Path
*> 10.0.0.0/8 3.3.3.3 200 0 2 i
How does the "show ip bgp command" interpret the information of the local
preference ?
I need to find details informations.
Thanks for your help
Irene.
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