[a-nsp] static multicast join?

Bryan Holloway bryan at shout.net
Mon Mar 2 14:46:16 EST 2020


Hehe ... yeah, I tried that too ... (SVI)

Hmmm ...



On 3/2/20 8:43 PM, Sabri Berisha wrote:
> Hi,
> 
> I'm not aware of a mechanism that would generate an IGMP join on the switch in that configuration. Perhaps you can create an SVI, send the join from the SVI? I'm not sure if that will help because dense mode is not supported.
> 
> Thanks,
> 
> Sabri
> 
> ----- On Mar 2, 2020, at 11:34 AM, Bryan Holloway bryan at shout.net wrote:
> 
>> Hey Sabri -- thank you for the quick response!
>>
>> However, in this particular case, the Arista port is Layer 2 only on an
>> access-port assigned to a VLAN.
>>
>> I've tried the 'ip igmp static-group' command, but nothing happens.
>>
>> Thoughts?
>>
>>
>> On 3/2/20 8:09 PM, Sabri Berisha wrote:
>>> Hi,
>>>
>>> Yes, I've done that a few months ago for a lab project.
>>>
>>> interface Ethernet2
>>>      no switchport
>>>      ip address 192.168.1.1/24
>>>      ip igmp static-group 225.0.0.1
>>>
>>> Should do the trick.
>>>
>>> Thanks,
>>>
>>> Sabri
>>>
>>> ----- On Mar 2, 2020, at 10:55 AM, Bryan Holloway bryan at shout.net wrote:
>>>
>>>> Howdy all ...
>>>>
>>>> Curious if anyone has had any success doing a static IGMP join on an
>>>> Arista switch ... In this case we're talking about a 7050TX running 4.21.8M.
>>>>
>>>> We have an IPTV box downstream which, in my opinion, should be sending
>>>> its own joins, but that's another rant.
>>>>
>>>> All of the IGMP settings switch-side look fine to me, and, when it does
>>>> work (another rant), I can see everything propagating upstream as it should.
>>>>
>>>> They're suggesting we do the join ourselves switch-side facing the
>>>> physical ethernet port on which the IPTV device is attached.
>>>>
>>>> Turned the google crank a few times and found some suggestions, but no
>>>> joy yet.
>>>>
>>>> Curious if anyone has made this work ... thanks!!
>>>>
>>>> 		- bryan
>>>> --
>>>> arista-nsp mailing list
>>>> arista-nsp at puck.nether.net
>>>> https://puck.nether.net/mailman/listinfo/arista-nsp


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