Re: [fw-wiz] Cisco VPN reconnection every 23 minutes



Have you checked your rekey duration on both sides? It looks like one peer
has a considerably shorter rekey value.

Thanks,

Paul Murphy





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Subject
05/31/2007 12:24 [fw-wiz] Cisco VPN reconnection
PM every 23 minutes


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can anybody help me to solve the following problem?

A VPN Tunnel is established and working so far, but the connection gets
reconnected about every 23 minutes.

Here are some logs whats happening on PEER1 (AAA.BBB.CCC.DDD) (CISCO
ASA 5500):

Peer connect

2007-05-31T17:30:08+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713041: IP =
REMOTE_PEER_IP, IKE Initiator: New Phase 1, Intf inside, IKE Peer
REMOTE_PEER_IP local Proxy Address LOCAL_PROXY_IP, remote Proxy Address
REMOTE_LAN_IP, Crypto map (outside_map)
2007-05-31T17:30:10+0100 AAA.BBB.CCC.DDD warning local4 %ASA-4-713903:
Group = REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Freeing previously allocated
memory for authorization-dn-attributes
2007-05-31T17:30:10+0100 AAA.BBB.CCC.DDD err local4 %ASA-3-713119: Group =
REMOTE_PEER_IP, IP = REMOTE_PEER_IP, PHASE 1 COMPLETED
2007-05-31T17:30:11+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713073: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Responder forcing change of IPSec
rekeying duration from 28800 to 3600 seconds
2007-05-31T17:30:11+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713049: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Security negotiation complete for
LAN-to-LAN Group (REMOTE_PEER_IP) Initiator, Inbound SPI = 0x8d72d873,
Outbound SPI = 0xee7d09b6
2007-05-31T17:30:11+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713120: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, PHASE 2 COMPLETED (msgid=2a2a6615)

Peer disconnect again

2007-05-31T17:53:46+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713050: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Connection terminated for peer
REMOTE_PEER_IP. Reason: Peer Terminate Remote Proxy N/A, Local Proxy N/A
2007-05-31T17:53:46+0100 AAA.BBB.CCC.DDD warning local4 %ASA-4-113019:
Group = REMOTE_PEER_IP, Username = REMOTE_PEER_IP, IP = REMOTE_PEER_IP,
Session disconnected. Session Type: IPSecLAN2LAN, Duration: 0h:23m:36s,
Bytes xmt: 6572, Bytes rcv: 7772, Reason: User Requested
2007-05-31T17:53:58+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713041: IP =
REMOTE_PEER_IP, IKE Initiator: New Phase 1, Intf inside, IKE Peer
REMOTE_PEER_IP local Proxy Address LOCAL_PROXY_IP, remote Proxy Address
REMOTE_LAN_IP, Crypto map (outside_map)
2007-05-31T17:54:00+0100 AAA.BBB.CCC.DDD warning local4 %ASA-4-713903:
Group = REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Freeing previously allocated
memory for authorization-dn-attributes
2007-05-31T17:54:00+0100 AAA.BBB.CCC.DDD err local4 %ASA-3-713119: Group =
REMOTE_PEER_IP, IP = REMOTE_PEER_IP, PHASE 1 COMPLETED
2007-05-31T17:54:01+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713073: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Responder forcing change of IPSec
rekeying duration from 28800 to 3600 seconds
2007-05-31T17:54:01+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713049: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Security negotiation complete for
LAN-to-LAN Group (REMOTE_PEER_IP) Initiator, Inbound SPI = 0x695fe990,
Outbound SPI = 0x792e9c57
2007-05-31T17:54:01+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713120: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, PHASE 2 COMPLETED (msgid=b6a126bc)

Manual disconnect

2007-05-31T18:00:32+0100 AAA.BBB.CCC.DDD warning local4 %ASA-4-113019:
Group = REMOTE_PEER_IP, Username = REMOTE_PEER_IP, IP = REMOTE_PEER_IP,
Session disconnected. Session Type: IPSecLAN2LAN, Duration: 0h:06m:31s,
Bytes xmt: 0, Bytes rcv: 0, Reason: Administrator Reset
2007-05-31T18:00:32+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713050: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Connection terminated for peer
REMOTE_PEER_IP. Reason: Administrator Reset Remote Proxy REMOTE_LAN_IP,
Local Proxy LOCAL_PROXY_IP
2007-05-31T18:00:39+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713041: IP =
REMOTE_PEER_IP, IKE Initiator: New Phase 1, Intf inside, IKE Peer
REMOTE_PEER_IP local Proxy Address LOCAL_PROXY_IP, remote Proxy Address
REMOTE_LAN_IP, Crypto map (outside_map)
2007-05-31T18:00:40+0100 AAA.BBB.CCC.DDD warning local4 %ASA-4-713903:
Group = REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Freeing previously allocated
memory for authorization-dn-attributes
2007-05-31T18:00:40+0100 AAA.BBB.CCC.DDD err local4 %ASA-3-713119: Group =
REMOTE_PEER_IP, IP = REMOTE_PEER_IP, PHASE 1 COMPLETED
2007-05-31T18:00:41+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713073: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Responder forcing change of IPSec
rekeying duration from 28800 to 3600 seconds
2007-05-31T18:00:41+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713049: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Security negotiation complete for
LAN-to-LAN Group (REMOTE_PEER_IP) Initiator, Inbound SPI = 0x6bccacec,
Outbound SPI = 0x7a216c5f
2007-05-31T18:00:41+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713120: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, PHASE 2 COMPLETED (msgid=fe0bd283)

Peer disconnect again

2007-05-31T18:24:12+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713050: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Connection terminated for peer
REMOTE_PEER_IP. Reason: Peer Terminate Remote Proxy N/A, Local Proxy N/A
2007-05-31T18:24:12+0100 AAA.BBB.CCC.DDD warning local4 %ASA-4-113019:
Group = REMOTE_PEER_IP, Username = REMOTE_PEER_IP, IP = REMOTE_PEER_IP,
Session disconnected. Session Type: IPSecLAN2LAN, Duration: 0h:23m:32s,
Bytes xmt: 6104, Bytes rcv: 6616, Reason: User Requested
2007-05-31T18:25:52+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713041: IP =
REMOTE_PEER_IP, IKE Initiator: New Phase 1, Intf inside, IKE Peer
REMOTE_PEER_IP local Proxy Address LOCAL_PROXY_IP, remote Proxy Address
REMOTE_LAN_IP, Crypto map (outside_map)
2007-05-31T18:25:54+0100 AAA.BBB.CCC.DDD warning local4 %ASA-4-713903:
Group = REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Freeing previously allocated
memory for authorization-dn-attributes
2007-05-31T18:25:54+0100 AAA.BBB.CCC.DDD err local4 %ASA-3-713119: Group =
REMOTE_PEER_IP, IP = REMOTE_PEER_IP, PHASE 1 COMPLETED
2007-05-31T18:25:55+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713073: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Responder forcing change of IPSec
rekeying duration from 28800 to 3600 seconds
2007-05-31T18:25:55+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713049: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, Security negotiation complete for
LAN-to-LAN Group (REMOTE_PEER_IP) Initiator, Inbound SPI = 0xba41c143,
Outbound SPI = 0xb16e5642
2007-05-31T18:25:55+0100 AAA.BBB.CCC.DDD notice local4 %ASA-5-713120: Group
= REMOTE_PEER_IP, IP = REMOTE_PEER_IP, PHASE 2 COMPLETED (msgid=c825a866)

..... disconnect occurs about every 23 minutes


Any ideas?

Kind regards

ditribar
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