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 <a href="leitlhttp://leitl.org">leitl</a> http://leitl.org > ______________________________________________________________ > ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org > 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE