I tried to use always-on lab on Cisco DevNet Sandbox (devnetsb13.cisco.com) but unable to contact that server.
[3/22/2016 10:39:18 PM] Ready to connect.
[3/22/2016 10:39:35 PM] Contacting devnetsb13.cisco.com.
[3/22/2016 10:39:52 PM] Connection attempt has failed.
[3/22/2016 10:39:52 PM] Unable to contact devnetsb13.cisco.com.
OS: Windows 8.1 (x64)
and I tried to use AnyConnect on CentOS 6.5 (on my VPS). It cannot access again.
This packet capture during connect to that server.
I cannot connect to devnetsb13.cisco.com but I can connect to devnetsandboxlabs.cisco.com/rave04
and I can ping to devnetsb13.cisco.com