Truble with ASA5520 and 1721 IPsec-121 tunnel ?
I have ASA 5520 and about15 sites and i would like to set up and ipsec-121 tunnel
We have ASA5520 installed in main office while the 1721/1841 series router for remote sites
Test whit router 1841 work fine, but 1721 router vpn tunnel not working...
see the configuration in attach file.