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EZVPN between 2811 and SR520 Flapping

bbbowden1013
Level 1
Level 1

I am having an issue get an EZVPN working between a 2811 server and a SR520 client.

The symptoms are the SR520 makes multiple connection attempts to the 2811.  It appears that sometimes these connections are successful and the SR520 is assigned an IP address but then the tunnel will be dropped and a new session will be started.  I've attached scrubed configs for both the 2811 and the SR520
hoping someone can see what the problem is.

One other note, when connecting to the 2811 with a software VPN client, there are no problems, so I think the problem is with the SR520.  On the other hand, the SR520 wasn't having any problems until we switched our VPN server from a UC520 to the 2811.

3 Replies 3

bbbowden1013
Level 1
Level 1

More info, here is a screenshot from CCP showing the IKE SA attempts from the SR520.

bbbowden1013
Level 1
Level 1

Bump....