RTX1200側でもデバッグを取っていますが、対向からの応答はあるものの、だめです。

2013/09/30 01:04:58: [IKE] receive IKE message from 対向側アドレス

2013/09/30 01:04:59: [IKE] ... omitted
2013/09/30 01:04:59: [IKE] process ISAKMP header
2013/09/30 01:04:59: [IKE] respond ISAKMP phase to 対向側アドレス
2013/09/30 01:04:59: [IKE] add ISAKMP context [119] ｘｘｘｘ
2013/09/30 01:04:59: [IKE] main mode responder 1
2013/09/30 01:04:59: [IKE] process sa payload
2013/09/30 01:04:59: [IKE] process proposal payload
2013/09/30 01:04:59: [IKE] process transform payload
2013/09/30 01:04:59: [IKE] encryption algorithm : 3DES-CBC
2013/09/30 01:04:59: [IKE] hash algorithm : SHA-1
2013/09/30 01:04:59: [IKE] authentication : pre-shared key
2013/09/30 01:04:59: [IKE] group : MODP 1024bit
2013/09/30 01:04:59: [IKE] process vid payload
2013/09/30 01:04:59: same message repeated 6 times