[avahi] Problem browsing service with avahi and wlan0

[Dave Lazar]

HI,

*FAQ #15
Make sure that you are not running a firewall that blocks multicast traffic
on port 5353, group 224.0.0.251.

*I have no Firewall running.
*

 If that's not the issue then you most likely are experiencing trouble with
a broken network driver or WLAN AP, which doesn't properly support IP
multicasting. Try to set the ALLMULTI or even PROMISC flags for your
interface with ifconfig. Also, try to enable UPnP support in your router
(because some routers disable multicasting if UPnP is not enabled). And
check with wireshark what traffic is actually being generated and where it
is lost!


*This rig used to work fine with Ubuntu 7.04 and network driver ipw3945. The
change I made was to upgrade to Ubuntu 7.10 and switch to the iwl3945
network driver. Googling for iwl3945 reveals some people have had some
problems with it, so maybe that is the issue.

Thanks


On Feb 12, 2008 9:05 AM, Lennart Poettering <lennart at poettering.net> wrote:

> On Sat, 09.02.08 09:24, Trent Lloyd (lathiat at bur.st) wrote:
>
> > This sounds like a common issue with wireless cards and dodgy
> > multicast implementations.
> >
> > I can only suggest trying a different wireless card (and sometimes
> > router or enabling IGMP/multicast in your router/switch)
>
> Also see FAQ #15:
>
> http://avahi.org/wiki/Avah4users#FAQ
>
> Lennart
>
> --
> Lennart Poettering                        Red Hat, Inc.
> lennart [at] poettering [dot] net         ICQ# 11060553
> http://0pointer.net/lennart/           GnuPG 0x1A015CC4
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