Interfaces connected by bridge(4) do not pass arp replies

[Monthadar Al Jaberi]

On Mon, Oct 29, 2012 at 9:55 PM, Kim Culhan <w8hdkim at gmail.com> wrote:
> On Mon, Oct 29, 2012 at 3:59 PM, Monthadar Al Jaberi
> <monthadar at gmail.com> wrote:
>> On Mon, Oct 29, 2012 at 8:46 PM, Kim Culhan <w8hdkim at gmail.com> wrote:
>>> With 2 interfaces present on a bridge0, an arp request is send from
>>> msk0 and is received
>>> by a machine on em0.
>>>
>>> When a reply to that arp request is sent by a machine on em0 it is not
>>> visible on the
>>> bridge0 nor on msk0 as indicated by tcpdump.
>>>
>>> The arp reply is visible while watching em0 with tcpdump.
>>
>> Is em0 set in promisc mode?
>>
>>>
>>> This behaviour is also true when arp requests are sent from a wlan
>>> interface ath0
>>> and received on a wired interface, the arp reply is visible on the
>>> wired interface but not
>>> visible monitoring with 'tcpdump -i bridge0 arp'.
>>
>> Hmm, I am briding between ath0 and wired (arge0).
>>
>> Can you provide more info? what is your rc.conf? How does it set the interfaces?
>> Can you give ifconfig output?
>> The are reply that you dont see on bridge0 can you dump it from wired
>> interface?
>
> What svn revision of FreeBSD -current are you running?

FreeBSD head r238604.

>
>>> The machine running the em0, msk0 and ath0 interfaces and bridge0 can
>>> receive arp requests
>>> from any interface and the arp replies are received fine from the
>>> machine by the arp requester -err requestor.
>>>
>>> Any help is greatly appreciated.
>>>
>>> thanks
>>> -kim
>>> _______________________________________________
>>> freebsd-current at freebsd.org mailing list
>>> http://lists.freebsd.org/mailman/listinfo/freebsd-current
>>> To unsubscribe, send any mail to "freebsd-current-unsubscribe at freebsd.org"
>>
>>
>>
>> --
>> Monthadar Al Jaberi



-- 
Monthadar Al Jaberi