Netscaler full SSLVPN behind F5 ASM

i have a scenario that my customer purchased ASM license to protect multiple web sites including a Netscaler full SSLVPN. the node for F5 is the SSLVPN VIP on Netscaler. i created the VS on F5 with 2 SSL profiles (client and server) with same certificate on Netscaler. the user able to reach the login page of Netscaler (SSLVPN login page) but after login, it should redirect the traffic to intranet portal and connect his SSL tunnel but it stuck on waiting for intranet. any on tried to put Netscaler SSLVPN behind F5?