PBR failover

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Jun 11th, 2008
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we have 2 internet link and 2 proxy

we configured PBR for 1 link use one proxy

another link use another proxy

but if one link is down then proxy traffic shift to another link visa-versa


plz suggest me the configuration on urgent basis





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ashok_boin Wed, 06/11/2008 - 02:51
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If next hop is not reachable which was entered into PBR, then it will route through normal routing table only.


I feel your requirement is already satisified with your existing configuration.


Regards...

-Ashok.

tarunavakonar Wed, 06/11/2008 - 03:03
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what happen we have two public ip pool

internet router connect with firewall on single interface


so we configured one nat on FW(public to private) and one nat on router(public to public)


i have two ACl for different different proxy


pbr configuration is


route-map XX per 10

match ip add 10 (one proxy)

set int se0/0/0


route-map XX per 20

match ip add 10

set int se0/0/1


route-map XX per 30

match ip add 20 (another proxy)

set int se0/0/1


route-map XX per 40

match ip add 20

set int se0/0/0



plz check the config and suggest me

royalblues Wed, 06/11/2008 - 03:24
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Instead of mentioning the interface, try using the next hop ip address


route-map XX per 10

match ip add 10 (one proxy)

set ip next-hop


route-map XX per 20

match ip add 20 (one proxy)

set ip next-hop


BTW, are both the public pools from the same ISP?


Narayan


tarunavakonar Wed, 06/11/2008 - 03:28
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no ip in our interface

ip unnumberd of fastethernet

next hop assigned is not possible

no wan ip in link

ashok_boin Mon, 06/16/2008 - 21:08
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The above given configuration need to be modified like this to satisfy your requirement.


route-map XX per 10

match ip add 10 (one proxy)

set int se0/0/0 se0/0/1

!

route-map XX per 20

match ip add 20 (another proxy)

set int se0/0/1 se0/0/0


That's it. For first proxy, the primary destination interface used for routing is Se0/0/0 & back up as Se0/0/1 if Se0/0/0 is down. Vice versa for second proxy.


Experiment this & let me know the result.


Please read this document to get more info.


http://www.cisco.com/en/US/products/ps6599/products_white_paper09186a00800a4409.shtml#wp14045


Regards...

-Ashok.

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