Mailinglist Archive: opensuse (3106 mails)

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Re: [opensuse] Would like explanation from networking guru
  • From: Art Fore <art.fore@xxxxxxxxxxx>
  • Date: Thu, 15 Feb 2007 18:41:13 +0800
  • Message-id: <1171536073.18373.31.camel@xxxxxxxxxxxxxxxxxxx>
On Thu, 2007-02-15 at 10:17 +0000, Russell Jones wrote:
> Art Fore did not write:
> > I have a Dell D820 running Suse 10.2 with WinXP under parallels. I have
> > WinXP logged on to the corporate network and can access the network.
> >
> > Linux uses the Wireless network to access the internet. The connection is lost now and then. It can access the internet.
> >
> > There is an OpenSuSE 10.1 server on our corporate network. It provides SMB shares and runs PostgreSQL and Apache. Since it is on the same subnet we have to access it using the ip address, though it is not joined to the domain.
> >
> > Our corporate network and some other network use the IP ranges 10.18.0.0/16 and 192.168.0.0/16. [hmm...]
> What are the subnet masks?
> > They are not connected via the internet as connections to it through the corporate network are via a proxy server and vpn.
> > Both network cards show up with ifconfig. I changed the default route from the windows network gateway to the
> > wireless network gateway.
> >
> > What I don't understand: I can access the linux server on the windows network. SMB, postgres and http are all available from my Linux laptop which is on a different network [IP range? Subnet?].
> > How does this work? I did not think it was possible. I discovered it by accident accessing the http. I thought it
> > [was provided by?] was from win xp & firefox, but it was firefox in linux.
> >
> > I am glad about this, but I am curious how it works.
> >
> > Art (paraphrased)
> >
> It could be that Parallels (henceforth //s) provides bridging between
> adapters. Also, note that a single adapter can have as many IPs as you
> could reasonably ask for.
>
> But there's a lot you've not said: which adapters are visible to which
> operating systems? Are you running anything else under //s? How is //s
> configured?
>
> Russell Jones

I am not running anything else under parallels.

Here is the route output.

Destination Gateway Genmask Flags Metric Ref Use
Iface
10.37.129.0 * 255.255.255.0 U 0 0 0
vnic0
10.18.32.0 * 255.255.255.0 U 0 0 0
eth0
192.168.11.0 * 255.255.255.0 U 0 0 0
eth1
link-local * 255.255.0.0 U 0 0 0
eth0
loopback * 255.0.0.0 U 0 0 0
lo
default 192.168.11.1 0.0.0.0 UG 0 0 0
eth1

eth0 is winxp, eth1 is linux

Art

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