On Fri, Apr 04, 2008 at 09:17:46AM -0700, Steve Lamb wrote: > On Fri, April 4, 2008 7:51 am, Andrew Sackville-West wrote: > > On Fri, Apr 04, 2008 at 01:09:09AM -0800, Steve Lamb wrote: > > I think it does make some difference in that I don't specify an IP, my > > vif= lookslike this: > > > dhcp = 'dhcp' > > vif = [ 'mac=aa:00:00:00:00:22, bridge=xenbrDMZ' ] > > > but I use dhcp. > > That'll be hard since the DomU is the one that's going to be running the > DHCP server. But later on in the message you agree that this is > probably not it so we'll leave it at that.
yeah, I editted that several times and clearly munged it a bit. > > > the other likely important bit is the made-up MAC > > address for the virtual interface. That fake mac address becomes the > > HwAddr in my DomU's ifconfig output. It looks to me like you are > > passing a real mac address which would cause all kinds of problems, I > > suspect. > > Nope. From <http://wiki.xensource.com/xenwiki/XenNetworking>: > "It's recommended to use a MAC address inside the range 00:16:3e:xx:xx:xx. > This address range is reserved for use by Xen." heh. whoops. > > The MAC address I'm passing to DomU, 00:16:3E:BA:17:79, was generated by > xen-tools when the image was created and is within the range suggested > by Xen. > > > the bridge will *not* end up with an IP. It will have a funcky hwaddr > > like FE:FF:FF:FF:FF:FF and that's it. The bridge just connects > > different ends of virtual interfaces and is not an interface itself, > > per se.*** > > I'll double check that. I think the bridge ending up with the IP was > the result of me really munging something somewhere. I tried it again > later in the evening and did not get the same results. > > > I have a working, 3 DomU xen setup with one as firewall, one as DMZ > > mail server, one as DMZ web server, Dom0 as local fileserver. This > > includes using pciback to hide my internet-side interface from Dom0. I > > would be happy to share my complete config if you'd like. > > I appreciate the offer but I'm swimming in complex example > configurations. The lack of examples isn't a problem. I so understand! > Something in the process I am missing is. I have to be missing > something since my configuration, especially this single ethernet > card test, should work. I can't find any glaringly obvious > difference from the many examples I've seen and my configurations. > Thank you for discussing it with me, however, since sometimes just > having a sounding board will get the ol' synapses firing. :) what does your Dom0 /etc/network/interfaces look like? also, what about the output of route on various Doms? A
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