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Multiple IPSEC Tunnels to Single VPN Router

Newbie>

We are currently using the GRE Tunneling that comes with the routers to several subnets, because it is so incredibly fast and easy to set up. We would like to move to IPSEC and throw in some encryption, but I cannot find any configuration samples for multiple sites that connect to a single router(i.e. HQ and multiple Branch Office scenerio).

I think I need a seperate Crypto Map for each tunnel, but can I use the same isakmp policy / transform-set / ?

We have Cisco 1700 Series Modular routers, with IOS12.2

Any help / how-to's are appreciated,

Paul

1 REPLY
Community Member

Re: Multiple IPSEC Tunnels to Single VPN Router

What you can do is use the same crypto map name but with a different sequence number. (e.g.) Crypto map vpnmap 10, crypto map vpnmap 20, cyrpto map vpnmap 30, etc. This way you apply the crypto map to the outside interface and customize each peer with your preferred IPSEC parameters

per site. Here are a few links.

http://www.cisco.com/warp/public/707/multiroute.html

http://www.cisco.com/warp/public/707/ios_hub_spoke2.html

HTH,

RJ

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