I have WebEx Connect Client v7.2.0 Build 16843 and it has been working fine from the office. I can also connect just fine when I am connected to my home Internet service. If I connect to my home Internet, then use AnyConnect to connect to my office first, I then cannot login to WebEx. It tries for a while and then says "Lost connection to server. Please try to sign in again."
I am running Windows 7 Enterprise SP1 64-bit on a Lenovo T420 with an Intel Core i7-2620M CPU
If I connect to my home Internet, then login to WebEx first, and then connect to the office with AnyConnect, everything works fine.
I have tried this with AnyConnect v2.5.3041 and AnyConnect Secure Mobility Client v3.1.02040.
I am a network engineer so I did some captures and discovered the following:
When logging in while connected only to the Internet the WebEx Client makes connections to three WebEx IPs:
188.8.131.52, 184.108.40.206 and 220.127.116.11.
First it connects to 66..163.36.139 with HTTPS multiple times.
Then it connects to 18.104.22.168 with HTTPS multiple times.
Finally it connects to 22.214.171.124 with HTTPS multiple times.
All of these connections use my wireless LAN adapter which has my private, home IP address (hidden, of course, by my home router NAT).
Then I can use it normally
When logging in while connected to the Internet and also running an AnyConnect VPN connection to my office (configured to allow local LAN access) the WebEx Client does this:
First it connects to 66..163.36.139 with HTTPS multiple times from my wireless LAN adapter the same as above.
Then it tries to connect to 126.96.36.199 with HTTPS but instead of going out using my wireless LAN adapter it tries to use the AnyConnect connection which has a different IP assigned to it by my office firewall. This connection attempt never gets a response because my office firewall does not want to do a hairpin and provide an Internet connection. Now the WebEx Client says it Lost Connection to Server.
The interface it tries to use is called different things depending on where you look at it:
WireShark: Cisco AnyConnect VPN Virtual Miniport Adapter for Windows x64
Windows Network Connections: Cisco AnyConnect Secure Mobility Client Connection
ipconfig: Ethernet adapter Local Area Connection 6:
Any ideas would be much appreciated. I can deal with this but I have lots of users who won't like it.
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I'll try to help, sounds like you are using split tunnelling (local LAN access), but not defining RFC1918 rules for local LAN access on your VPN firewall, it is "suppose to" use the IP you are connected to as local LAN access, but by your traces it is sending the first requests out to the wireless adapter. If no local LAN access is set I bet it would work correctly, or, if you defined the LAN's that are local from ASA then I bet it would work as well as everything other than RFC 1918 "should" go over the tunnel.