IGMP and Cisco ASA

Mabrito

Supreme [H]ardness
Joined
Dec 24, 2004
Messages
7,004
Having some issues getting IGMP working with a Cisco ASA.

The objective I am trying to accomplish is setup Microsoft NLB using IGMP multicast. Yes I know NLB isnt preferred, but for the purposes of what I am trying to accomplish in this test environment, it will work well.

The setup is Internet Drop -> ASA (hosts the DMZ) <-> Core Routers <-> Distribution Switches <-> Access Switches.

I have the two hosts (10.0.30.25 and 10.0.30.26) and the NLB VIP (10.0.30.24) addressed in the DMZ. The DMZ interface is hosted on the ASA and is a physical interface (10.0.30.1).

After enabling Multicast Routing globally on the ASA, I tried adding an mroute: mroute 10.0.30.24 255.255.255.255 DMZ dense INSIDE and no success.

I do see the entry in the ARP table on the ASA only, but do not see it in any of the IGMP groups or downstream on the other equipment?

Am I missing something? Any ideas?
 
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