vpn tunnel comes short up

[n.steffen]

dear all

we have setup a vpn connection between a 837 cisco router an a 3000 series concentrator. the problem is the tunnel comes short up an goes again down. here any infos by attachments. thanks for any help!

[attrgautam]

Iam sure configs will help. Please make sure your keepalives are the same on either side.

crypto isakmp keepalive 10.

What is the time for which the VPN stays up ?

[n.steffen]

hello

how can i find the keepalive settings on the concentrator? here another log from concentrator:

16 12/14/2006 12:16:04.950 SEV=4 IKE/0 RPT=50 public isp adress

Group [public isp adress]

All IPSec SA proposals found unacceptable!

17 12/14/2006 12:16:04.950 SEV=4 IKEDBG/97 RPT=4265 public isp adress

Group [public isp adress]

QM FSM error (P2 struct &0x3a33f4c, mess id 0xab6998c2)!

18 12/14/2006 12:16:04.960 SEV=4 AUTH/23 RPT=4218 public isp adress

User [public isp adress] Group [public isp adress] disconnected: duration: 0:00:00

19 12/14/2006 12:16:04.960 SEV=4 AUTH/85 RPT=4218

LAN-to-LAN tunnel to headend device public isp adress disconnected: duration: 0:00:00

thanks..

[n.steffen]

the problem is resolved

the transform set phase 2 was false configured.