KB ID 0000936 Dtd 04/04/14


While setting up a simple site to site to site VPN, I was unable to get ISAKMP phase 1 to establish. When I had a look on the device at the far end. I saw this error logged in the console, every time I tried to bring up the tunnel.

*Mar 1 00:21:42.811: %CRYPTO-4-RECVD_PKT_NOT_IPSEC: Rec'd packet not an IPSEC packet. (ip) vrf/dest_addr= /, src_addr=, prot= 1


After about 40 minutes of staring at the configs, I realised I'd applied the crypto-map (on the router I was trying to bring the tunnel up from), to the inside interface and not the outside one - Doh!

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Author: Migrated

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