TDMA link cannot pass data

Rui Paulo rpaulo at freebsd.org
Thu Feb 11 14:52:11 UTC 2010


On 10/02/2010 22:24, batcilla itself wrote:
>>> On 3 Jan 2010, at 12:23, Kim Culhan wrote:
>
> [skip...]
>
>> This is odd. What happens without the bridge?
>>
>> --
>> Rui Paulo
>
> I guess without the bridge ping going w/o any problem.
>
> I also tried couple of configs with wlan in different wlanmode, hostap etc:
> it is precisely same as Kim wrote. In case of use routed connection it
> work just fine.
> In case of:
> [host1]----(eth===bridge0===gif)----wlan0=====wirelesslink=====wlan0---(gif===bridge0===eth)----[host2]
> it is works and host1 can ping host2.
> in case of
> [host1]----(eth===bridge0===wlan0)----====wirelesslink====-----(wlan0===bridge0===etc)---[host2]
> broadcast packets including arp can go through bridge, other packets
> miss after leaving wlan in direction of wirelesslink.
>
> I seen this on very recent 8-STABLE. (FreeBSD 8.0-STABLE #1: Thu Feb
> 4 23:03:37 EET 2010)
>
> Can it be somehow linked with experimental bridging support for a mesh?
> May be there is some sysctl need to be set in non-default value.
>
> I also repeat same test with 9-CURRENT ( FreeBSD 9.0-CURRENT #0: Thu
> Feb  4 16:16:02 UTC 2010 ).
>
> This is really odd...

I think this is more likely related to ARP and routing table issues. I 
asked the submitter to use p5-SVN-Bisect in order to find the revision 
that broke.


-- 
Rui Paulo


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