Question

IPSEC Problem

Asked by: mikecr

I currently have an IPSEC tunnel that was working but after making some changes to the BGP configuration on the router broke due to a routing issue. We have that problem fixed, however the IPSEC tunnel will still not come up.

Here is the current configuration with the other side being the spitting image except for the access-list number and the peer address.

crypto isakmp policy 2
 authentication pre-share
 group 2
 lifetime 3600

crypto isakmp key Intellimark-VPN address 192.168.1.1
!
!

crypto ipsec transform-set GMACCM esp-3des esp-md5-hmac
!
crypto map RemoteAccess local-address ATM3/IMA0.1

crypto map RemoteAccess 104 ipsec-isakmp
 set peer 192.168.1.1
 set transform-set GMACCM
 match address 107
!
!
access-list 107 permit tcp 10.1.1.1 255.255.0.0 host 20.1.1.1 eq 3389

Now here is the debug that we took on the router. Everything seems fine until it goes to negotiate the ipsec proposal.

1w4d: CryptoEngine0: generate alg parameter
1w4d: ISAKMP (0:1): processing NONCE payload. message ID = 0
1w4d: ISAKMP (0:1): found peer pre-shared key matching 192.168.1.1
1w4d: CryptoEngine0: create ISAKMP SKEYID for conn id 1
1w4d: ISAKMP (0:1): SKEYID state generated
1w4d: ISAKMP (0:1): processing vendor id payload
1w4d: ISAKMP (0:1): speaking to another IOS box!
1w4d: ISAKMP (1): ID payload
        next-payload : 8
        type         : 1
        protocol     : 17
        port         : 500
        length       : 8
1w4d: ISAKMP (1): Total payload length: 12
1w4d: CryptoEngine0: generate hmac context for conn id 1
1w4d: ISAKMP (0:1): sending packet to 192.168.1.1 (I) MM_KEY_EXCH
1w4d: ISAKMP (0:1): received packet from 192.168.1.1 (I) MM_KEY_EXCH
1w4d: ISAKMP (0:1): processing ID payload. message ID = 0
1w4d: ISAKMP (0:1): processing HASH payload. message ID = 0
1w4d: CryptoEngine0: generate hmac context for conn id 1
1w4d: ISAKMP (0:1): SA has been authenticated with 192.168.1.1
1w4d: ISAKMP (0:1): beginning Quick Mode exchange, M-ID of -196547694
1w4d: CryptoEngine0: generate hmac context for conn id 1
1w4d: ISAKMP (0:1): sending packet to 192.168.1.1 (I) QM_IDLE
1w4d: CryptoEngine0: clear dh number for conn id 1
1w4d: ISAKMP (0:1): received packet from 192.168.1.1 (I) QM_IDLE
1w4d: CryptoEngine0: generate hmac context for conn id 1
1w4d: ISAKMP (0:1): processing HASH payload. message ID = -1861604493
1w4d: ISAKMP (0:1): processing NOTIFY PROPOSAL_NOT_CHOSEN protocol 3
        spi 1158430383, message ID = -1861604493
1w4d: ISAKMP (0:1): deleting spi 1158430383 message ID = -196547694
1w4d: ISAKMP (0:1): deleting node -196547694
1w4d: ISAKMP (0:1): deleting node -1861604493

Anyone have any thoughts? Ideas?

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Asked On
2002-09-18 at 04:40:48ID20360381
Tags

proposal_not_chosen

,

notify

,

protocol

Topic

Network Routers

Participating Experts
5
Points
500
Comments
18

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by: mikecrPosted on 2002-09-18 at 04:43:28ID: 7287907

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