Hi Marc,
Thanks, I changed the force_igmp_version to 2 however I do not see any
"igmp" entry in /proc/net directory.
Regards,
Amit
On 08-Jun-17 3:38 PM, Marc Welz wrote:
> Not 100% sure, but I think you might have to downgrade the linux igmp
> messages to version 2 to work with mellanox ? There is a
> force_igmp_version entry in /proc/sys/net ...
>
> regards
>
> marc
>
>
> On Thu, Jun 8, 2017 at 12:15 PM, Amit Bansod <aban...@mpifr-bonn.mpg.de>
> wrote:
>> Hi Marc,
>>
>> I gave this a try:
>>
>> fpga.tap_start('tap0',gbe_core_name,mac_id,unicast_source_ip,fabric_port)
>> fpga.tap_multicast_add_recv('tap0',multicast_ip)
>>
>> I do see the log shows "multicast add" successful but we do not see any
>> membership reports from ROACH2. Is there a way to monitor IGMP requests
>> ? I am not sure if the IGMP version has to be same as the switch. We are
>> using the Mellanox SX1012.
>>
>> Thanks,
>> Amit
>>
>>
>> On 02-Jun-17 4:28 PM, Marc Welz wrote:
>>> On Fri, Jun 2, 2017 at 2:10 PM, Amit Bansod <aban...@mpifr-bonn.mpg.de>
>>> wrote:
>>>> Hi Marc,
>>>>
>>>> I am trying to subscribe to a multicast group (receive data). How then
>>>> can I configure the core to send an IGMP request ?
>>> You are probably looking for ?tap-multicast-add. Note that you can
>>> only invoke that once
>>> you have brought up the tap interface with ?tap-start and related.
>>> There should be
>>> a ?help command which provides an overview.
>>>
>>> regards
>>>
>>> marc
>>>
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