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BGP advertise-map in XOS

BGP advertise-map in XOS

Elie_Raad
New Contributor
I have a Multi-homed Routers connected to 2 ISPs. I need to Create like an Advertise-map on the Standby Router connected to the Standby ISP to only advertise my Public address if the primary link goes down .

Is there a way of doing it in XOS ?
Thank You,
Elie

29 REPLIES 29

Nick_Yakimenko
New Contributor II
look towards configuring different localpref for different ISP-s

But do your ISP-s support reading those communities?
You may find out that by
whois as65536 where 65536 is a number of autonomus system of your backup ISP

Hi Nick , Yes i use the https://onestep.net to configure the communities . the thing is i have a backup link of just 10 mbps and if only one internet source tries to route inbound to me on this link it will get over utilized , so i am looking into a solution that works 100 percent .

do you use communities which your ISP-s understand?

the reason why i am looking into the advertise-map becasue i want to affect inbound traffic , i used the community tags and as-prepend , it is not working as expected

GTM-P2G8KFN