detecting network routers in gnome?

[kendell clark]

On 10/28/2015 05:06 PM, Stefan Nuxoll wrote:
> The Windows network view uses multiple protocols for device discovery,
> including NETBIOS, UPnP and Zeroconf. Most modern routers advertise
> themselves using Zeroconf - at one point Epiphany (GNOME Web) would
> display Zeroconf advertised devices under a 'Local Sites' bookmark
> folder, but it seems that is no longer the case (correct me if I'm
> wrong). Nautilus (GNOME Files) is purely a file manager, it does not do
> any Zeroconf discovery for network devices.
> 
"I think this isn't entirely accurate. I believe it uses avahi or
zeroconf, if you like that better to show network accessible devices,
which is how it displays a "windows network" option. I don't know this
to be completely true it could use some other way of showing these
devices but I "think" that's how it does it. In nautilus > 3.18 these
devices have been moved into an "other devices" view which makes it look
cleaner and less cluttered. If this is the case that routers advertise
themselves via zeroconf I  may have to investigate the avahi config
files to see if a particular option needs enabling. As an aside, the
gateway alias does seem to work. However, I get 100 percent packet loss
when trying to use it. The particular output I get is:
kendell at tigger speechd-el$ sudo ping gateway

[sudo] password for kendell:

PING gateway.home (198.105.254.17) 56(84) bytes of data.

^C

--- gateway.home ping statistics ---

7 packets transmitted, 0 received, 100% packet loss, time 6007ms


I've setup a separate home domain via firewalld, which might be why this
doesn't work. Another interesting side effect of this is that I can no
longer use vinegger, gnome's remote desktop client, to connect to
windows or linux machines over the network. When I attempt to search for
them in the "home" domain, I get an error. The exact error is "cannot
browse for "protocol" on domain home. Nxdomain." I'm wondering if I
might have messed something up attempting to mess with things in
firewalld. This stuff is a little over my head. I really should invest
in a good networking book
Thanks
Kendell clark"

> Stefan Nuxoll <stefan at nuxoll.eu.org <mailto:stefan at nuxoll.eu.org>>
> 
>> Subject: Re: detecting network routers in gnome?
>> To: desktop at lists.fedoraproject.org
>> From: coffeekingms at gmail.com
>> Date: Wed, 28 Oct 2015 17:02:04 -0500
>>
>>
>>
>> On 10/28/2015 04:52 PM, Elad Alfassa wrote:
>> >
>> > Hi,
>> >
>> > I don't think this fits in Nautilus. Nautilus is a file manager, your
>> > router is not a file.
>> >
>> >
>> > You don't have to remember the IP address or even look for it, though,
>> > because you can just type http://gateway in your browser window, and it
>> > will work. I don't remember if it's systemd or NetworkManager which sets
>> > the "gateway" alias, but it has been around for few releases at this
>> > point. You can also use it in the command line, for example "ping
> gateway".
>> >
>> > I hope this helps.
>> "It sure does. Wish I'd known about this, thanks a lot. As a curiosity,
>> is this what windows does? Or does the router specifically identify
>> itself in some proprietary way windows can see?
>> Thanks
>> Kendell clark"
>>
>> > --
>> > -Elad.
>> >
>> >
>> --
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>> desktop at lists.fedoraproject.org
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> 
>