Network printer detection from wifi client to print-server->router
Hi,
this is my first post on the list; i have a simple question.
I have a usb printer attached to a router which works also as print
server (ip: 192.168.0.50, call this 'print server router');
this print server router is wire linked with another router (using RIP
version 1, for both in and out), which is the gateway to internet, a
router, a dhcp server, and also a wifi access point (192.168.0.1, call
this 'main router').
I've got also:
a) PC 1, eth linked to the main router;
b) PC2, wifi linked to the main router.
So:
when i searched the network printer (using system-config-printer) in
the PC1, it worked very well and quickly found my samsung printer;
when i searched the network printer in the PC2, it couldn't find
anything: but after several trials i found that putting 192.168.0.50
(which is the
ip of the print server router) in the textarea host field in the
system-config-printer->find network printer GUI, the printer was
immediately found and worked very well.
The question is: why do I have to put the ip address in the host field
on the gui when configuring the network printer from PC2 (wifi), when
PC1 (ethernet) doesn't need it?
Maybe there is some conf of Avahi that could be changed?
Thanks,
Daniele Guerrieri
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06-16-2011, 02:07 PM
Tim Waugh
Network printer detection from wifi client to print-server->router
Perhaps there is a difference in the firewall settings between PC1 and
PC2?
Do you know what protocol the print server router is using to advertise
the printer on the network? It might be SNMP (i.e. responding to SNMP
broadcast requests), or mDNS, or possibly NetBIOS/SMB.
Tim.
*/
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06-17-2011, 05:29 AM
Daniele Guerrieri
Network printer detection from wifi client to print-server->router
On Thu, Jun 16, 2011 at 4:07 PM, Tim Waugh <twaugh@redhat.com> wrote:
> Perhaps there is a difference in the firewall settings between PC1 and
> PC2?
uhm, i don't think because system-config-printer automatically setup
firewall for printing in the same way (trusted services: mDns, IPP
client/server).
> Do you know what protocol the print server router is using to advertise
> the printer on the network? *It might be SNMP (i.e. responding to SNMP
> broadcast requests), or mDNS, or possibly NetBIOS/SMB.
>
in system-config-printer i can read "lpd network printer via DNS-SD";
this is a fragment of the dump, maybe it is mDNS?:
Thanks, Daniele Guerrieri
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06-30-2011, 12:16 PM
Tim Waugh
Network printer detection from wifi client to print-server->router
On Fri, 2011-06-17 at 07:29 +0200, Daniele Guerrieri wrote:
> in system-config-printer i can read "lpd network printer via DNS-SD";
> this is a fragment of the dump, maybe it is mDNS?:
Yes, that's mDNS then. Perhaps avahi isn't installed/running on the
other machine?
Tim.
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06-30-2011, 12:16 PM
Tim Waugh
Network printer detection from wifi client to print-server->router
On Fri, 2011-06-17 at 07:29 +0200, Daniele Guerrieri wrote:
> in system-config-printer i can read "lpd network printer via DNS-SD";
> this is a fragment of the dump, maybe it is mDNS?:
Yes, that's mDNS then. Perhaps avahi isn't installed/running on the
other machine?
Tim.
*/
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07-07-2011, 03:05 PM
Daniele Guerrieri
Network printer detection from wifi client to print-server->router
Avahi is installed on both machines.
Also, after a recent upgrade it doesn't work no more; where can i see
a detailed cups log?
To make it work the first time i needed to completely disable selinux
(selinux policy disabled), that was preventing
rastertospl from working.
Thanks
On Thu, Jun 30, 2011 at 2:16 PM, Tim Waugh <twaugh@redhat.com> wrote:
> On Fri, 2011-06-17 at 07:29 +0200, Daniele Guerrieri wrote:
>> in system-config-printer i can read "lpd network printer via DNS-SD";
>> this is a fragment of the dump, maybe it is mDNS?:
>
> Yes, that's mDNS then. *Perhaps avahi isn't installed/running on the
> other machine?
>
> Tim.
> */
>
>
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07-07-2011, 03:10 PM
Tim Waugh
Network printer detection from wifi client to print-server->router
On Thu, 2011-07-07 at 17:05 +0200, Daniele Guerrieri wrote:
> Avahi is installed on both machines.
> Also, after a recent upgrade it doesn't work no more; where can i see
> a detailed cups log?
> To make it work the first time i needed to completely disable selinux
> (selinux policy disabled), that was preventing
> rastertospl from working.
/var/log/cups/error_log
You can adjust the log level using 'cupsctl LogLevel=debug2' as root
(see 'man cupsd.conf' for valid values).
Tim.
*/
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07-07-2011, 05:55 PM
Daniel J Walsh
Network printer detection from wifi client to print-server->router
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 07/07/2011 11:05 AM, Daniele Guerrieri wrote:
> Avahi is installed on both machines.
> Also, after a recent upgrade it doesn't work no more; where can i see
> a detailed cups log?
> To make it work the first time i needed to completely disable selinux
> (selinux policy disabled), that was preventing
> rastertospl from working.
Did you open a bugzilla?
>
> Thanks
>
> On Thu, Jun 30, 2011 at 2:16 PM, Tim Waugh <twaugh@redhat.com> wrote:
>> On Fri, 2011-06-17 at 07:29 +0200, Daniele Guerrieri wrote:
>>> in system-config-printer i can read "lpd network printer via DNS-SD";
>>> this is a fragment of the dump, maybe it is mDNS?:
>>
>> Yes, that's mDNS then. Perhaps avahi isn't installed/running on the
>> other machine?
>>
>> Tim.
>> */
>>
>>
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>>
>>
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07-07-2011, 05:55 PM
Daniel J Walsh
Network printer detection from wifi client to print-server->router
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 07/07/2011 11:05 AM, Daniele Guerrieri wrote:
> Avahi is installed on both machines.
> Also, after a recent upgrade it doesn't work no more; where can i see
> a detailed cups log?
> To make it work the first time i needed to completely disable selinux
> (selinux policy disabled), that was preventing
> rastertospl from working.
Did you open a bugzilla?
>
> Thanks
>
> On Thu, Jun 30, 2011 at 2:16 PM, Tim Waugh <twaugh@redhat.com> wrote:
>> On Fri, 2011-06-17 at 07:29 +0200, Daniele Guerrieri wrote:
>>> in system-config-printer i can read "lpd network printer via DNS-SD";
>>> this is a fragment of the dump, maybe it is mDNS?:
>>
>> Yes, that's mDNS then. Perhaps avahi isn't installed/running on the
>> other machine?
>>
>> Tim.
>> */
>>
>>
>> --
>> users mailing list
>> users@lists.fedoraproject.org
>> To unsubscribe or change subscription options:
>> https://admin.fedoraproject.org/mailman/listinfo/users
>> Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
>>
>>
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Network printer detection from wifi client to print-server->router
