From: Andrew Lunn <andrew@lunn.ch>
To: Markus Klotzbuecher <mk@mkio.de>
Cc: netdev@vger.kernel.org
Subject: Re: cpsw_switch: unable to selectively forward multicast
Date: Wed, 25 May 2022 23:05:14 +0200 [thread overview]
Message-ID: <Yo6aCiAOwZT6IiPR@lunn.ch> (raw)
In-Reply-To: <Yo33QJ1FXGBv2gHZ@e495>
On Wed, May 25, 2022 at 11:30:40AM +0200, Markus Klotzbuecher wrote:
> Hi All,
>
> I'm using multiple am335x based devices connected in a daisy chain
> using cpsw_new in switch mode:
>
> /-br0-\ /-br0-\ /-br0-\
> | | | | | |
> ---swp0 swp1-----swp0 swp1----swp0 swp1
> | | | | | |
> \-----/ \-----/ \-----/
> #1 #2 #3
>
> The bridge is configured as described in cpsw_switchdev.rst
> [1]. Regular unicast traffic works fine, however I am unable to get
> traffic to multicast groups to be forwarded in both directions via the
> switches.
Do you have listens reporting they are interested in the traffic via
IGMP? Do you have an IGMP quirer in your network? Without these, IGMP
snooping will not work.
Andrew
next prev parent reply other threads:[~2022-05-25 21:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-25 9:30 cpsw_switch: unable to selectively forward multicast Markus Klotzbuecher
2022-05-25 21:05 ` Andrew Lunn [this message]
2022-05-27 6:43 ` Markus Klotzbuecher
2022-05-27 13:32 ` Andrew Lunn
2022-05-28 6:35 ` Markus Klotzbuecher
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