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pbr and glbp

Currently I have 1 router that performs pbr to send http,https traffic thru a bsd captive portal and all other traffic out a different gateway. I will be getting 2 Cisco 3745 routers soon (they are being replaced by 3845s) and would like to replace the single router with the pair of 3745s running glbp host-dependant. I would also like to send traffic from the 1st glbp router to one captive portal and send traffic from the 2nd glbp router to another captive portal. I would also like to have the router/portals be fault tolerant - if the router and/or portal svr fail, traffic gets sent to the working pair. My 1st thought was to use sla policies with an icmp check against the portals from each router

rtr1 sla 1 pings portal1

rtr2 sla 2 pings portal2

policies will switch over if they fail.

Just wanted to get some input on it,

thanks

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Re: pbr and glbp

Members of a GLBP group elect one gateway to be the active virtual gateway (AVG) for that group. Other group members provide backup for the AVG in the event that the AVG becomes unavailable.Refer URL

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t15/ft_glbp.htm#wp1027184

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