[Bloat] Fwd: bridge should flood non-IPv4-multicast ethernet frames

Yan Wang gg_wangyan at hotmail.com
Thu Feb 9 15:38:53 EST 2012


Dave Taht <dave.taht at ...> writes:


> 2. Check that the Ethertype is 0x800 (IPv4), and if it is not, always
> flood the frame so we don't break non-IPv6-multicast frames being
> bridged.
> 
> 3. Do both of the above, the key point being that IPv6 multicast
> frames (33:33:xx:xx:xx:xx), along with any other ethernet multicast
> frames that aren't supported by the current bridge snooping code,
> should always be flooded unconditionally.  IS-IS for example uses
> 01:80:C2:00:00:14 and 01:80:C2:00:00:15.


Hi,

I applied your patch to kernel 3.2.0.

The test result indicated that bridge didn't flood IPv6-multicast ethernet 
frames.
I set up 2 UML, they can communicated via host bridge.
I appiled the patch in the host.
But I still can't see IPv6 multicast package coming from other UML.


Thanks,
Yan








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