BTW, I'd also try: tcpdump -i ethN -c10 -s 1500 -n -l -vv udp port 5353
and post the results. On 7/11/10 12:16 PM, Philip Prindeville wrote: > Not exactly.... the printer will take its configured name, and > multicast that out as the available service... but the name still needs > to be resolvable if the SRV record maps back to a name for the > right-hand side. > > I'd use Tcpdump to log the advertisements... Then I'd use ping to make > sure that the name that appears on the right-hand side of the SRV > records is resolvable and pingable. > > Is the laser printer getting its address via DHCP? > > Can you ping that name associated with it? > > The router really doesn't make much difference in this case, if the host > that's contacting the printer is connected to the same switch as the > printer itself... none of the packets involved in the host<=> printer > conversation go through the router. > > The only conversation between the printer and the router is that of DHCP. > > (Actually, there is a conversation between the host and the router when > the host looks up the printer's IP address.) > > Jump on #astlinux on freenode and I'll help you troubleshoot this, but > I'd try this: > > # grep -i<printer> /tmp/etc/dnsmasq.* > # grep -i<printer> /var/log/messages > # ping<printer> > > and then from the host, I'd also try: > > # ping<printer> > > and let me know which work. > > > > On 7/11/10 2:29 AM, Michael wrote: > >> Hi Philip >> >> Thanks for the answer. >> >> I guess, I was not very clear in my description. Sorry for that. >> >> The LaserJet is connected via Ethernet to my local LAN. In order to access >> it, you can either use its IP address or its given LAN name. >> >> The HP printer driver uses the LAN name for connecting to the LaserJet. >> However, it does not use the "normal" DNS system for resolving the name, but >> uses multi-cast DNS resolution, which is a protocol for home-user LANs >> without a dedicated DNS server. >> >> That worked fine with my old router. Now that I exchanged it with the >> astlinux box, the HP driver can no longer find the printer. I checked the >> TCP/IP packets with wireshark and do see the Laserjet announcing via mDNS >> what it actual IP adress is. Then, however, the HP driver tries to contact >> it. I see an mDNS request "Where is LaserJet.local?", which does not get >> answered. That's where it fails. >> >> I have no idea, why it fails. Actually the router should not be involved in >> it, except to relay all mDNS traffic into the whole LAN network. >> >> Whatever, I found a configuration switch for the HP drivers to not use mDNS >> but instead a direct IP. Now it works for me. >> >> Michael >> >> Philip Prindeville wrote: >> >> >> >>> I'm using: >>> >>> P910ND_DEVICE0="/dev/usblp0" >>> P910ND_ADNAME0="Epson Artisan 810" >>> >>> and it seems to work fine. That's with 4022 or later. >>> >>> >>> >>> On 7/10/10 3:59 AM, Michael wrote: >>> >>> >>>> Hello everybody >>>> >>>> Thanks for all the answers. That sounds promising. >>>> >>>> I will test your configs. Probably it is a config problem here. I know >>>> nothing about configuring a hostap. >>>> >>>> But another problem just popped up. I can't print on my Laserjet. I can >>>> use it as a scanner (with xsane) but the HP printer driver doen't find >>>> the Laserjet. Seems to be a problem of mDNS/Bonjour services, of which I >>>> again know nothing (there are lookup errors to Laserjet.local in syslog). >>>> I will open another thread for this. >>>> >>>> Anyway, right now work is calling urgently. I need to get a few things >>>> from my desk immediately. >>>> >>>> I will come back to you as soon as I have some time free again. >>>> >>>> Thanks. This is a great software and there are very helpful people on >>>> this list!!! >>>> >>>> Michael >>>> >>>> >>>> Michael wrote: >>>> >>>> >>>> >>>> >>>>> Hello >>>>> >>>>> I use Astlinux on an alix box and it runs great. Now I want to also >>>>> replace my wlan router with it. That works for WAN and LAN, but I can't >>>>> get the WLAN AP to work correctly. No computer can successfully >>>>> associate. >>>>> >>>>> I have used three different WLAN cards, one with an Atheros AR9220 (my >>>>> favorite one) and two others with AR5414 and AR5213A. The first uses >>>>> Ath9k and the latter two Ath5k. All exhibit the same problem. >>>>> >>>>> Now I read that Master mode was not well supported in kernels below >>>>> 2.6.31. So I would like to replace the kernel with a newer version. >>>>> >>>>> Is there somewhere a how-to on remastering astlinux? And where can I >>>>> find the kernel config? >>>>> >>>>> Thanks for any help. >>>>> >>>>> Michael >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>> > ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ Astlinux-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to [email protected].
