I will suggest to check Priority that you have in VPN Site To Site because if you have more, you need to take a look for that detail .The best commands you could use when you have this kind of problems are:show crypto  isakmpshow crypto ipsec sashow ...

Hi usman,On the sub-interface that you already created, you add the vlan to the port in mode trunk that pluged between ASA and Switch ?You already create a Vlanf for this interface ?And use ip helper-address on configuration of Vlan like as example I...

Hi usman,First you need to create  interface ou sub interface on firewall.(define,IP address,Vlan).My question is, do you have WLC ? If so, Do the next steps:After that, the Port in switch that you have been configure in trunk mode for Inside interfa...