Igmp v2 port number
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Jun 21, 2012 · I've also captured on the ASA and i can see the igmp packet leave the outside interface but the join doesn't reach the 3825 (i've captured on the 3560e port facing the router and there is no join being forwarded).the switch is running in layer 2, 12.2(35r)SE1.
Nov 15, 2019 · Simple Port Tester is a free program by PcWinTech.com to help users test if their ports are open with just a few clicks. As of version 2.0.0 and newer of the program now tests both TCP & UDP ports. The trick with testing if your port forwarding is working is to have something on your computer actually listening on the port.