On Thu, Aug 30, 2007 at 09:33:52PM +0200, Eugen Leitl wrote:
> On Thu, Aug 30, 2007 at 12:18:54PM -0700, Roderick A. Anderson wrote:
>
> > Hum! Do you mean ( I haven't caught up all the way on this thread ) that
> > the two switches are inter-connected?
> >
> > SWITCH0 <-> SWITCH1,
> > ETH0 <-> SWITCH0, and
> > ETH1 <-> SWITCH1.
>
> It looks like this:
>
> gateway
> |
> switch1 (a Netgear GS724T)
> |
> firewall (a pair of pfSense 1.2rc1, transparent bridges)
> |
> switch2 (a HP ProCurve 2650)
> | |
> host |
> | |
> switch3 (a Netgear GS724T)
>
> The host has eth0 with public network space, and eth1 with
> private (10.0.0.0/24) address space, shared with other hosts.
> In theory, there should be no issue with switches 2 and 3 having
> a direct link (it is usually disabled, but I goofed up, and
> forgot this time).
>
> I've been able to make the problems go away by disabling the port
> with the patch cable between switch2 and switch3.
well, most likely, spanning tree is the magic word here :)
(http://en.wikipedia.org/wiki/Spanning_tree_protocol)
best,
Herbert
> There's no real reason to use 3 switches as 2 with VLANs would do,
> but there was not yet enough time to work on-site to make everything
> work. (Working remotely is not an option, since it's too easy to
> screw up, and guiding remote hands through an ssh session you don't
> see is no picnic).
>
> > I am working at, as time permits, getting three Ethernet devices working
> > on one host and the guests needing to access two of the networks. WAN1,
> > WAN2, LAN with each guest needing either WAN1 or WAN2 and LAN access.
> > In reality WAN1 and WAN2 both use the same feed (router etc. ) into the
> > internet but they use very different address ranges.
> >
> > Is this similar to you are trying to do?
>
> Doesn't quite sound that way.
>
> --
> Eugen* Leitl leitl http://leitl.org
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Received on Sat Sep 1 01:31:56 2007