my network cards

[Alex de Kruijff]

On Thu, Jul 21, 2005 at 06:34:02PM +0300, vladone wrote:
> > I have some problem with, i think, flood attack, i dont know
> > exactly.       
> > My server go down when i put some network cable in switch. I dont
> > see       
> > anything in logs, and that is. Now my network have an linux server,         
> > but i want to put my server at work (i like it freebsd).          

> I dont think that my card is the problem. Anyway, i list my network
> cards on server:

I think it unlikly that your under attack. I think it more likely that
there's a problem with the driver / hardware nic.

> External interface:
> rl0: <RealTek 8139 10/100BaseTX> port 0xec00-0xecff mem 0xeb203000-0xeb2030ff irq 18 at device 19.0 on pci0
> miibus2: <MII bus> on rl0
> rlphy0: <RealTek internal media interface> on miibus2
> rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto

RealTek is card know to cause troubles.

> Internal interface:
> fxp1: <Intel 82558 Pro/100 Ethernet> port 0xd400-0xd41f mem 0xeb100000-0xeb1fffff,0xeb200000-0xeb200fff irq 16 at device 12.0 on pci0
> miibus1: <MII bus> on fxp1
> inphy1: <i82555 10/100 media interface> on miibus1
> inphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> 
> Strange for me is another: in dmesg.today i have this messages:
> rl0: promiscuous mode enabled
> rl0: promiscuous mode disabled
> rl0: promiscuous mode enabled
> rl0: promiscuous mode disabled
> rl0: promiscuous mode enabled
> rl0: promiscuous mode disabled
> I dont understand why my card enter in promiscuous mode.
> 
> And an suggestion: if u have time, modify your firewall to give
> different traffic priorities to different client (by IP).

This means giving each user there own pipe / queue. I use to have this,
but cut it out to make maintence easier.

>                                                  Thanks for all!!

Your very welkom.

-- 
Alex