Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
@parthrawat979 it was an assumption that you might have a device in front of the ASA that was performing NAT and might have an ACL that could cause a problem when connecting to the VPN.
Packet capture? do you even see the connection attempt?
I assumi...
@parthrawat979 is this a new setup or was it previously working?
You have a private IP address on your external/outside interface? If so, do you have NAT setup correctly on the device in front of the ASA? And is there an ACL that is permitting tcp/ud...