Default Route (0.0.0.0) redistribute into BGP

Unanswered Question
Sep 29th, 2009

How would I advertise a default route by distributing into BGP.

The default route is pointing to our firewall(internet access). All BGP site will use this for internet access.

#R1#

router eigrp 90

network 192.168.3.0 0.0.0.255

network 192.168.128.0 0.0.0.255

no auto-summary

router bgp 65500

no synchronization

bgp log-neighbor-changes

network 192.168.1.0 mask 255.255.255.0

network 192.168.3.0 mask 255.255.255.0

network 192.168.128.0 mask 255.255.255.0

neighbor 83.70.194.253 remote-as 5466

no auto-summary

ip route 0.0.0.0 0.0.0.0 192.168.3.2

Please advise.

Thanks

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Jon Marshall Tue, 09/29/2009 - 14:22

Colm

Do you mean advertise the default route to other BGP peers ? If so you could do

1) add this to your BGP config

router bgp 65500

network 0.0.0.0

or

2) you can be more precise in terms of which peers you advertise the default-route to ie.

router bgp 65500

neighbor 83.70.194.253 default-originate

note that with option 2 you don't need to hav a default-route configured on the router.

Jon

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