Load Sharing - BGP
Published on July 17 2013
Question:
I have two links to ISPs on one router.WS-C3750X-48T-L They are advertising default route to me. Both ISP are in different AS. I want to share load on both links. I want to configure bgp bestpath as-path multipath-relax command but my router doesnt support it. What i am seeing while configuring it is mention below.
Can anyone pls help me configuring this.
Router(config-router)#bgp bestpath ?
compare-routerid Compare router-id for identical EBGP paths
cost-community cost community
med MED attribute
Router(config-router)#bgp bestpath
Router#sh ver
Cisco IOS Software, 3800 Software (C3845-SPSERVICESK9-M), Version 12.4(24)T, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Wed 25-Feb-09 23:14 by prod_rel_team
ROM: System Bootstrap, Version 12.4(13r)T10, RELEASE SOFTWARE (fc1)
Answer:
This is cisco hidden command -> bgp bestpath as-path multipath-relax
You will not see it, but you can use it.
R1(config)#
R1(config)#router bgp 100
R1(config-router)#bgp bestpath ?
compare-routerid Compare router-id for identical EBGP paths
cost-community cost community
med MED attribute
R1(config-router)#bgp bestpath as-path multipath-relax
R1(config-router)#do sh run | s bgp
router bgp 100
no synchronization
bgp log-neighbor-changes
bgp bestpath as-path multipath-relax
no auto-summary
R1(config-router)# WS-C3750X-48T-S Price
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