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question on encrypting FR PVCs

My Router-A has 2 PVCs. s0/0.1 connects to Router-B, and s0/0.2 connects to Router C. I would like to encrypt all traffic traversing Router A to Router B, and all traffic Router A to Router C.

how do i go about this? All routers have encryption modules/AIMs. The plain FR connections work ok, but I'd like to add encryption using IPSEC tunnels w/ pre-shared keys. Sample configs / urls will be appreciated.

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Re: question on encrypting FR PVCs

It is possible to configure IPSec over frame relay subinterfaces. You can have only one crypto map which has to be applied to both the interaface and the subinterfaces. The rest of the configuration is along the lines of configuring IPSec on a normal interface.

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