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Cisco VPN not receiving data from Remote client


Cisco VPN client is able to connect to ASA outside interface.  It is also receiving the routing table.

If we see the

> route print

we can see the subnets in the table and next hop address.  Not sure what next hop address shoud we see here.

On the ASA firewall  we have pointed this VPN pool IP to outside address. Also on firewall we are able to see all the subnets that we are trying to connect.

VPN pool subnet is /24 .

On the switch connected to isnide interface, we have routed this subnet to INSDIE ip of the firewall.

After checking on ASDM VPN monitoring we are able to see that tunnel is sending the data (Tx) but we are not able to receive ( Rx) any packet.

Please share the experience.



Cisco Employee

Cisco VPN not receiving data from Remote client

Hi ,

do you see this on specific OS only ?

do you have any type of firewall or antivirsu enabled on the machine ?

did you check the VPN client counters and statistics ? packet encrypted and packet bypassed ?

did you check if NAT T is enabled on the ASA "the command is "crypto isakmp nat-traversal"" . give it a try

if nothing worked then :

share your configuration and the output of show crypo ipsec sa