[avahi] Getting avahi up and running

Thu Nov 10 15:56:29 PST 2005

Try using ethernet, your wireless driver may be incorrectly handling
multicast packets, you could also try putting your wlan device in the
ALLMULTI or PROMISC modes to see if it works then

Trent

On Thu, Nov 10, 2005 at 10:04:54PM +0000, Barney wrote:
> I have been trying to get avahi up and running on a laptop running Debian/Linux
> but am not able to get it to see other devices on the network. My aim is for
> rhythmbox to be able to see my iTunes shared music on an XP machine (both are
> connected via a router). I have had success with the XP machine seeing shared
> music on the Linux latop but not the other way round (see thread at http://
> mail.gnome.org/archives/rhythmbox-devel/2005-November/msg00056.html for
> background). When I run avahi-discover on the linux box I get the following:
> 
> Browsing domain 'local' on any.0 ...
> Browsing for services of type '_daap._tcp' (iTunes Audio Access) in domain
> 'local' on wlan0.2 ...
> Browsing for services of type '_workstation._tcp' (Workstation) in domain
> 'local' on wlan0.2 ...
> Found service 'laptop' of type '_daap._tcp' (iTunes Audio Access) in domain
> 'local' on wlan0.2.
> Found service 'bunkerbay [00:12:17:bd:78:00]' of type '_workstation._tcp'
> (Workstation) in domain 'local' on wlan0.2.
> Service data for service 'laptop' of type '_daap._tcp' (iTunes Audio Access) in
> domain 'local' on wlan0.2:
>         Host bunkerbay.local (192.168.1.67), port 3689, TXT data:
> ['org.freedesktop.Avahi.cookie=3578020801']
> Service data for service 'bunkerbay [00:12:17:bd:78:00]' of type
> '_workstation._tcp' (Workstation) in domain 'local' on wlan0.2:
>         Host bunkerbay.local (192.168.1.67), port 9, TXT data:
> ['org.freedesktop.Avahi.cookie=3578020801']
> 
> where 192.168.1.67 is the ip address of the linux boxso there is no mention of
> the XP machine. This is while the XP machine is on and running iTunes with
> sharing enabled. The XP machine can see and play music from the laptop. Running
> tcpdump on the laptop produces output like:
> 
> bunkerbay:/home/bdalton# tcpdump ip multicast
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on wlan0, link-type EN10MB (Ethernet), capture size 96 bytes
> 21:36:04.710307 IP 192.168.1.67.5353 > 224.0.0.251.5353:  0 [4a] [5q] PTR?
> _serv ices._dns-sd._udp.local.[|domain]
> 21:36:04.855618 IP 192.168.1.67.5353 > 224.0.0.251.5353:  0*- [0q] 2/0/0[|
> domain ]
> 21:36:04.809693 IP 192.168.1.67.5353 > 224.0.0.251.5353:  0 [1a] [2q] A?
> bunkerb ay.local. AAAA? bunkerbay.local. (55)
> 21:36:05.708670 IP 192.168.1.67.5353 > 224.0.0.251.5353:  0 [3a] [3q] PTR?
> _serv ices._dns-sd._udp.local.[|domain]
> 21:36:07.736383 IP 192.168.1.67.5353 > 224.0.0.251.5353:  0 [3a] [3q] PTR?
> _serv ices._dns-sd._udp.local.[|domain]
> 21:36:11.737762 IP 192.168.1.67.5353 > 224.0.0.251.5353:  0 [3a] [3q] PTR?
> _serv ices._dns-sd._udp.local.[|domain]
> 21:36:19.738516 IP 192.168.1.67.5353 > 224.0.0.251.5353:  0 [3a] [3q] PTR?
> _serv ices._dns-sd._udp.local.[|domain]
> 21:36:35.741096 IP 192.168.1.67.5353 > 224.0.0.251.5353:  0 [3a] [3q] PTR?
> _serv ices._dns-sd._udp.local.[|domain]
> 
> all the packets seem to originate from the laptop (192.168.1.67) and there is
> no log of packets coming from the XP machine (192.1.67.64).
> 
> My ifconfig looks like:
> bunkerbay:/home/bdalton# ifconfig -a
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask: 255.0.0.0
>           inet6 addr: ::1/128 Scope:Host
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:30978 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:30978 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:4235300 (4.0 MiB)  TX bytes:4235300 (4.0 MiB)
> 
> sit0      Link encap:IPv6-in-IPv4
>           NOARP  MTU:1480  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
> 
> wlan0     Link encap:Ethernet  HWaddr 00:12:17:BD:78:00
>           inet addr:192.168.1.67  Bcast: 192.168.1.255  Mask:255.255.255.0
>           inet6 addr: fe80::212:17ff:febd:7800/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:888 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:998 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:370049 (361.3 KiB)  TX bytes:446509 (436.0 KiB)
>           Memory:22000000-22001fff
> 
> Anyone have any idea about what might be wrong or how I can diagnose further?
> Thanks
> Barney
> 
> p.s.
> Version info:
> bunkerbay:/home/bdalton# avahi-daemon -V
> avahi-daemon 0.5.2
> bunkerbay:/home/bdalton# uname -a
> Linux bunkerbay 2.6.14-1-686 #1 Tue Nov 1 15:51:43 JST 2005 i686 GNU/Linux
> 
> 

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> avahi at lists.freedesktop.org
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-- 
Trent Lloyd <lathiat at bur.st>
Bur.st Networking Inc.