Network Forwarding VS and traffic

for some reason, snmp, ssh, telnet traffic, coming through the external VLAN to LTM, exit to the internal VLAN, but did not return any response.was it syn packet? what bigip platform are you using? if it has pva chip, pva has to be disabled before.

 

 

sol6546: Recommended methods and limitations for running tcpdump on a BIG-IP system

 

https://support.f5.com/kb/en-us/solutions/public/6000/500/sol6546.html?sr=17538338