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Using Policy Based Routes to Restrict Nexthop

Hi all,

I would like to set profiles on my router (6509 w/ Sup720 3BXL) to restrict outbound routes based on the source IP address. I.e. if I have three upstream providers (ISP A, B, and C) I would like to configure 10.0.0.0/24 to use ISP A and B but not C. Ideally this would be configured exclusionary (i.e. 10.0.0.0/24 not allowed via ISP C) vs. inclusionary.

All of the information that I have been able to find so far specifically Set's the next-hop (i.e. 10.0.0.0/24 next-hop equals ISP B), is there a way to do the reverse of this?

Thanks in advance,

Max

2 REPLIES

Re: Using Policy Based Routes to Restrict Nexthop

Max,

Unfortunaltely when you do PBR for route selection you exclude the required subnet from the normal routing.

I dont think there's any reverse way possible.

But anyway the config should help you achieve what you want.

Narayan

New Member

Re: Using Policy Based Routes to Restrict Nexthop

Narayan,

Can you point me to the config example you mention.

Thanks,

Max

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