: ISAKMP:(0:0:N/A:0):Looking for a matching key for x.x.x.x in default

: ISAKMP:(0:0:N/A:0): : success

: ISAKMP:(0:0:N/A:0):found peer pre-shared key matching x.x.x.x

: ISAKMP:(0:0:N/A:0): local preshared key found

: ISAKMP : Scanning profiles for xauth ...

: ISAKMP:(0:0:N/A:0):Checking ISAKMP transform 1 against priority 1 policy

: ISAKMP: encryption 3DES-CBC

: ISAKMP: hash MD5

: ISAKMP: default group 2

: ISAKMP: auth pre-share

: ISAKMP: life type in seconds

: ISAKMP: life duration (VPI) of 0x80 0x51 0x1 0x0

: ISAKMP:(0:0:N/A:0):Hash algorithm offered does not match policy!

: ISAKMP:(0:0:N/A:0):atts are not acceptable. Next payload is 0

: ISAKMP:(0:0:N/A:0):Checking ISAKMP transform 1 against priority 5 policy

: ISAKMP: encryption 3DES-CBC

: ISAKMP: hash MD5

: ISAKMP: default group 2

: ISAKMP: auth pre-share

: ISAKMP: life type in seconds

: ISAKMP: life duration (VPI) of 0x80 0x51 0x1 0x0

: ISAKMP:(0:0:N/A:0):Hash algorithm offered does not match policy!

: ISAKMP:(0:0:N/A:0):atts are not acceptable. Next payload is 0

: ISAKMP:(0:0:N/A:0):Checking ISAKMP transform 1 against priority 10 policy

: ISAKMP: encryption 3DES-CBC

: ISAKMP: hash MD5

: ISAKMP: default group 2

: ISAKMP: auth pre-share

: ISAKMP: life type in seconds

: ISAKMP: life duration (VPI) of 0x80 0x51 0x1 0x0

: ISAKMP:(0:0:N/A:0):Hash algorithm offered does not match policy!

: ISAKMP:(0:0:N/A:0):atts are not acceptable. Next payload is 0

: ISAKMP:(0:0:N/A:0):Checking ISAKMP transform 1 against priority 15 policy

: ISAKMP: encryption 3DES-CBC

: ISAKMP: hash MD5

: ISAKMP: default group 2

: ISAKMP: auth pre-share

: ISAKMP: life type in seconds

: ISAKMP: life duration (VPI) of 0x80 0x51 0x1 0x0

: ISAKMP:(0:0:N/A:0):Lifetime duration offered does not match policy!

: ISAKMP:(0:0:N/A:0):atts are not acceptable. Next payload is 0

: ISAKMP:(0:0:N/A:0):Checking ISAKMP transform 1 against priority 20 policy

: ISAKMP: encryption 3DES-CBC

: ISAKMP: hash MD5

: ISAKMP: default group 2

: ISAKMP: auth pre-share

: ISAKMP: life type in seconds

: ISAKMP: life duration (VPI) of 0x80 0x51 0x1 0x0

: ISAKMP:(0:0:N/A:0):Lifetime duration offered does not match policy!

: ISAKMP:(0:0:N/A:0):atts are not acceptable. Next payload is 0

: ISAKMP:(0:0:N/A:0):Checking ISAKMP transform 1 against priority 25 policy

: ISAKMP: encryption 3DES-CBC

: ISAKMP: hash MD5

: ISAKMP: default group 2

: ISAKMP: auth pre-share

: ISAKMP: life type in seconds

: ISAKMP: life duration (VPI) of 0x80 0x51 0x1 0x0

: ISAKMP:(0:0:N/A:0):Lifetime duration offered does not match policy!

: ISAKMP:(0:0:N/A:0):atts are not acceptable. Next payload is 0

: ISAKMP:(0:0:N/A:0):Checking ISAKMP transform 1 against priority 65535 policy

: ISAKMP: encryption 3DES-CBC

: ISAKMP: hash MD5

: ISAKMP: default group 2

: ISAKMP: auth pre-share

: ISAKMP: life type in seconds

: ISAKMP: life duration (VPI) of 0x80 0x51 0x1 0x0

: ISAKMP:(0:0:N/A:0):Encryption algorithm offered does not match policy!

: ISAKMP:(0:0:N/A:0):atts are not acceptable. Next payload is 0

: ISAKMP:(0:0:N/A:0):no offers accepted!

: ISAKMP:(0:0:N/A:0): phase 1 SA policy not acceptable! (local y.y.y.y remote x.x.x.x)

: ISAKMP:(0:0:N/A:0):incrementing error counter on sa: construct_fail_ag_init

: ISAKMP:(0:0:N/A:0): sending packet to x.x.x.x my_port 500 peer_port 500 (I) MM_NO_STATE

: ISAKMP:(0:0:N/A:0):peer does not do paranoid keepalives.

: ISAKMP:(0:0:N/A:0):deleting SA reason "Phase1 SA policy proposal not accepted" state (I) MM_NO_STATE (peer x.x.x.x)

Hi,

In your crypto isakmp key configuration, can you make sure that there is no-xauth configured. For example

crypto isakmp key cisco address x.x.x.x no-xauth

If you have the "no-xauth" configured and the tunnel still does not come up, do post the router's configuration.

Regards,

Arul

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