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How do you issue show commands for Multicast routing

Hello Everyone,

I have been going over the documentation here on the site to see if I could find commands related to verifying the operation of Multicast routing. I found pages on how to configure it but nothing on commands one would use to troubleshoot it. Coming from a Cisco background it is a bit of a learning curve but any assistance in pointing out where I can find the right commands would be greatly appreciated.

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0 FormerMember over 2 years ago

Hi Fran Lind,

Thank you for reaching out to Sophos Community.

Please refer to the below command line interface guide.

Multicast routing

Configure Multicast Routing

Hope this helps!!
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0 Fran Lind over 2 years ago in reply to FormerMember

Unfortunately that is where I hit a dead end. On Cisco I can issue commands such as show mroute or show IP Pim neighbor to get information. All I am finding is the configuration commands to bring it up but not verify function.
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0 LuCar Toni over 2 years ago in reply to Fran Lind

What do you try to resolve? Multicast routing is actually rather straight forward. What is the usecase you want to solve?

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0 Fran Lind over 2 years ago in reply to LuCar Toni

I am just trying to verify who the RP is currently and make sure that the PIM-SM is working correctly. We run a multicast system and are installing it for customers and want to make sure their equipment will play nice with our gear.
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0 Fran Lind over 2 years ago in reply to Fran Lind

I am looking and can see that the Sophos UTM does support IGMP however I am not finding that setting in the XG model. Basically for the user network they have a Ubiquiti switch network for the LAN and a Sophos XG310 for their WAN connection. Our gear uses multicast to go from their one site to a data center at another.
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0 Fran Lind over 2 years ago in reply to Fran Lind

I am looking and can see that the Sophos UTM does support IGMP however I am not finding that setting in the XG model. Basically for the user network they have a Ubiquiti switch network for the LAN and a Sophos XG310 for their WAN connection. Our gear uses multicast to go from their one site to a data center at another.
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0 BrucekConvergent over 2 years ago in reply to Fran Lind

Yes XG (not the same OS, etc. as UTM in case there is confusion) does support IGMP. Sophos Firewall: Supported multicast protocols

As far as being able to view the precise parameters you are asking for, you are correct, it's not in the common documentation. I suggest opening a support case with Sophos @ https://support.sophos.com

CTO, Convergent Information Security Solutions, LLC

https://www.convergesecurity.com

Sophos Platinum Partner

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Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries. Use the advice given at your own risk.
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0 Fran Lind over 2 years ago in reply to BrucekConvergent

Thanks, I will reach out to them regarding this to see if they can provide some information on the matter.
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0 LuCar Toni over 2 years ago in reply to Fran Lind

The point is, UTM could actually install a RPM for a IGMP Proxy, which is different. SFOS (OS of XG) supports to forward IGMP, thats true. But we do not offer a proxy. There is a difference in having a proxy and a forwarding service.

You find a german post, where somebody installed a RPM on a home appliance, which is of course highly unsupported. https://community.sophos.com/utm-firewall/f/german-forum/58737/t-home-entertain-iptv/419745 (they simply install a module on the linux, this is not possible on SFOS).

If you need a IGMP Proxy for any reason (likely TV forwarding?), then this is not possible. If you simply need to forward certain Traffic from A to B, this should be possible.

Debugging Multicast can be done with the tools on the CLI: https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/nsg/sfos/concepts/LogFileDetails.html You have some logs, showing what is going on in the modules itself:

mouting.log and zebra.log --> Start there to find the issue or create a support case.

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