WWWWhhhheeeewwwwwwww. We were troubleshooting Cisco LWAPP registration to WLC 4400 behind the Cisco PIX firewall. Static NAT was configured but still we faced an issue. Issue was communication from VLAN 100 (where APs reside) to VLAN 13 (where WLC 4400 resides and behind firewall) was not working but traffic originating from VLAN 13 to VLAN 100 was possible. We tried…