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04-05-2022 08:18 AM
Hello All,
I have a question related to BGP summarization in a PAN firewall. We currently have summary aggregate advertised to the upstream device. But now we need a leak /32 route to the upstream along with the original summary route. What is the best method to achieve this goal? I have seen an option for 'Advertise filter' in BGP summary. If I add the /32 there, will it result in /32 and the /16 route(summary) being sent to upstream?
04-05-2022 08:49 AM
Hi @a-techie ,
The summarized route is originating from PAN firewall (to receive specific routes and advertise summarized route) or you receive the summarized route from neighbour device?
What about the /32 host route - do you want to originate from PAN firewall, or you receive it from somewhere else along the summary route?
04-05-2022 10:11 AM
@aleksandar.astardzhiev PAN is originating the the summarized /16 route(contributing routes coming from neighbours for this /16) and PAN receives /32 route from a neighbour. That /32 falls in the range of the /16 the PAN is originating and thus it get masked.
04-06-2022 11:17 AM
Just to make sure we understand, do you have the /16 configured in the aggregate tab?
Have you tried adding the /32 to a redist rule? You would probably need to add that to your export rules unless you don't have an exact match on the /16.
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