[netdrivers] Re: Problem with sundance driver with DFE-580TX

Michael Gellman m.gellman at imperial.ac.uk
Wed Oct 26 02:55:39 PDT 2005

On Tue, 2005-10-25 at 14:32 +0200, Dalimil Gala wrote:
> Although there is no more resetting now we have found out that the 
> driver (or whatever behind the scene) ignores or filters out incoming 
> multicast RIP packets from RIP neighbours. But as soon as I start 
> tcpdump the RIP packets come through OK (doesn't matter if I use the
> -p 
> switch in tcpdump or not)! When the tcpdump is stopped the RIP
> packets 
> become ignored again and the RIP routes die off. We use zebra /
> quagga  
> as routing daemon - quagga_0.96.5-8.backports.org.1_i386.deb with MD5 
> support for BGP sessions. The router usually runs RIP and BGP.

I seem to remember I had a problem similar to this -- I think it's a
problem with the multicast filtering in the driver.

My fix was to enable the "allmulti" option on the card using ifconfig.

Hope that helps,

Michael Gellman

More information about the netdrivers mailing list