Ethernet Switches & Routers

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New Member
Posts: 1
Registered: ‎11-04-2016

BROCADE CER2024F-4X-RT HSRP

Hello to all,
We are setting BGP on a BROCADE CER2024F-4X-RT

it has 2G DRAM so we cannot set all carriers as full routes

I have 2 different circuits from the same carrier with some diversty

is there a way I can set one of the circutis as Hot stand by but without using full routes so that it replaces the other circuit from the same carrier on issues ( We do plan to use full routes on this one )?

 

thanks in advance

Contributor
Posts: 64
Registered: ‎02-25-2016

Re: BROCADE CER2024F-4X-RT HSRP

[ Edited ]

The most easiest way is to e.g. enable

fast-external-fallover

 in router-bgp context. Also use small bgp hold timeout values for the main bgp neighbor.

 

The second bgp neighbor shall only announce a default route, not a full table. For the import you can accept this default route without any issue. For the export you may need to prepend your as-num.

 

e.g.


ip prefix-list accept-default seq 120 permit 0.0.0.0/0 le 32

route-map bgp-in permit 50
match ip address prefix-list accept-default
route-map bgp-in deny 100

route-map bgp-out permit 15
set as-path prepend MYAS MYAS MYAS



 

Regards
Jörg Kost

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