Sorry, I sent the wrong bridging interface. Here is the output from my
"public" bridge:
~# brctl show
bridge name bridge id STP enabled interfaces
br2 8000.00e0815a0ebc no apache-prod
eth0
mail-prod
~#
Tony
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Brock, Anthony - NET
> Sent: Monday, December 12, 2005 2:13 PM
> To: user-mode-linux-user@lists.sourceforge.net
> Subject: RE: [uml-user] UML Bridging and subnets
>
> Are you setup to forward IP packets on the host? Something like:
>
> ~$ cat /proc/sys/net/ipv4/conf/all/forwarding
> 1
> ~$
>
> This assumes that you're using your host as a gateway.
> Alternatively, is
> br0 connected to a physical device? For example:
>
> ~# brctl show
> bridge name bridge id STP enabled interfaces
> br0 8000.00e0815a0eba no apache-test
> mail
> ~#
>
> In this case, I don't need (or want) the 'forwarding' flag.
> The bridging
> interface will automatically forward packets out eth0.
>
> Tony
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On
> > Behalf Of [EMAIL PROTECTED]
> > Sent: Monday, December 12, 2005 1:25 PM
> > To: user-mode-linux-user@lists.sourceforge.net
> > Subject: [uml-user] UML Bridging and subnets
> >
> > Hello,
> >
> > I'm usually pretty good at finding answers on my own, but
> > I've only been
> > able to find information in regard to private UML networks
> > and NAT etc.
> >
> > I have some UMLs that are unable to access the network beyond
> > the host.
> > Here is the scenario:
> >
> > (Sorry about the "999", I'm using routable IPs)
> >
> > Host IP (br0): 999.999.165.229
> > UML IP (tap1): 999.999.165.231
> > UML IP (tap2): 999.999.160.52
> >
> > Now the first UML instance, tap1 165.231, can get to the
> > network beyond
> > the host, but the second cannot.
> >
> > While searching the net for my answer, I did find some info
> > that seemed
> > to imply I must alias a similar IP to the bridge so I did,
> Host br0:1
> > 999.999.160.49. Now the host and the second UML can reach
> each other,
> > but it still can't get beyond the host.
> >
> > Must the host be setup as a gateway? Do I need to use iptables etc?
> >
> > Thank-you,
> >
> > ---Dan
> >
> >
> >
> >
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>
>
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