BGP redundant routing

[menace212]

I have two routers each router pointing towards the same cloud network. What I need is if the primary route to one router fails the cloud network needs to know it can route through the other router. Now I'm running bgp on both routers because the cloud network is running bgp. Can I setup an aggregate summary address(summary-only) and a weight on the addresses to accomplish this task. Will the statment below propogate throughout the cloud network. for example

router a:

router bgp 200
network 192.2.2.0
neighbor 10.10.20.1 remote-as 314
neighbor 192.3.1.1 remote-as 315
aggregate-address 192.3.1.0 0.0.0.255 summary-only
neighbor 192.3.1.1 weight 100
neighbor 192.2.2.1 weight 150

router b:

router bgp 315
network 192.3.1.0
network 192.2.2.0
neighbor 10.10.30.1 remote-as 314
neighbor 192.2.2.1 remote-as 200
aggregate-address 192.2.2.0 0.0.0.255 summary-only
neighbor 192.2.2.1 weight 100
neighbor 192.3.1.1 weight 150


@ @ @@@ @@ (AS-314)
cloud network
@----------------------------------@
| |
| |
@-----------------------------------@
router b router a


Now will this configuration populate the cloud network, so it knows if router a is unavaiable it will route router a's traffic through to router b and vice versa. If you have a better solution let me know...

 

[tschouten]

Who controls the BGP on the Cloud Network (AS-314)? If THE BGP protocol knows what you AS# is and is configured properly on their side this should work fine. AS-314 needs to know your AS# so this can work though.