BGP Configuration Help

Unanswered Question
Jul 16th, 2009
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Here is the customers L3 Switch - What am I missing here? Let me know if more info is needed.

interface GigabitEthernet0/3

ip address Other Provider IP B.B.B.170 secondary

duplex auto

speed auto

media-type rj45

negotiation auto


router bgp ##AS##

no synchronization

bgp log-neighbor-changes

network x.x.x.x

neighbor B.B.B.169 remote-as ##B's AS##

neighbor B.B.B.169 description Primelink

no auto-summary


ip forward-protocol nd

ip route B.B.B.169

ip route

no ip http server

no ip http secure-server

ip as-path access-list 1 permit ^##B'sAS##$




logging alarm informational

access-list 10 permit X.X.X.X

access-list 101 permit tcp any any

access-list 101 permit udp any any

access-list 101 permit ip any any

route-map AS-B'sAS-INCOMING permit 10

match as-path 1

route-map AS-B'sAS-OUTGOING permit 10

match ip address 10


route-map AS-15320-OUTGOING permit 20

match ip address 20




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Jerry Ye Thu, 07/16/2009 - 06:40
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  • Cisco Employee,

Hi Gabrielle,

Any special reason you make the interface IP address secondary? Also, what are you trying to accomplish with this static route?

ip route

I don't see your as-path access-list and route-map applied inside the BGP process.



cozyk1515 Thu, 07/16/2009 - 07:41
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I am trying to help this customer get this up and running. I have another static that was for testing on the interface that is why it is secondary. Also, I am not sure why he has this route of

Jerry Ye Thu, 07/16/2009 - 07:45
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  • Cisco Employee,

Hi Gabrielle,

You might have problem with the BGP peering section since the BGP peering will use the primary IP address. Beside that, this is the only issue I am seeing so far.




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