em (+pf+vlan+bridge+netgraph) stop sending packets (?)

[Yuriy Tsibizov]

> On Wed, Apr 19, 2006 at 04:15:10PM +0400, Yuriy Tsibizov wrote:
> > I run a 6.1-RC (as of Apr, 14th) and after a day nothing 
> can be sent from em interface.
> > 
> > It is a filtering+accounting bridge-on-a-stick, with em interface
> > connected to 3Com Switch 4200 100Mbit (not Gbit) port with 4 tagged
> > vlans on it:
> > 
> > Polling was not used (I'll try to work with polling enabled on em0).
> > 
> > ALTQ is not configured, pf has all block rules logged and I 
> can't see anything relevant logged to pflog.
> > 
> > Traffic is received (I can see pairs of OSPF HELO messages from ISP
> > router logged on pflog0 exactly every 10 seconds), but it looks like
> > nothing can be sent.
> 
> A bridge on a stick only works under certian conditions, 
> mainly support
> by the switch its connected to. Its obviously working for you for a
> period of time so thats probably ok.
> 
> Make sure that you dont use scrubbing with pf as the bridge doesn't
> handle the fragment reassembly at the moment.
I had it, and will try to work without it. 

Thank you for your help,

Yuriy.