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Need to validate VPN tunnels backup using two routers in each site.

I will have three sites: In the headquarters I will use a 7204VXR400/VPNK9 7204VXR VPN Bundle NPE400,128MB, I/O 2FE, VAM,IPSEC 3DES IOS

and in each of the branch office sites I will use a 3725 with AIM-VPN/EPII DES/3DES/AES VPN Encryption/Compression Module for 2691/3725

for all cases I will have leased line E1 links (only one E1, no redundancy with link). What I need to verify is: if I want to have redundancy for hardware (I mean, only routers) like HSRP, can I have two of each routers in each site?, I mean, two 7200 in central, and two 3725s in each branch? I will configure VPN IPSec tunnels between them.

Where can I get a similar configuration example? Is it possible to configure the hardware backup using VPN tunnels?

Thanks

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Re: Need to validate VPN tunnels backup using two routers in eac

Yes, It is possible to for IPSec and HSRP to work together. You could refer to the configuration example Configuring High Availability Features for Site-to-Site IPSec VPNs at

"http://www.cisco.com/en/US/tech/tk583/tk372/technologies_tech_note09186a00800942f7.shtml"

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