[plug] Bridging Interfaces in Ubuntu [WORKED AROUND]

Leon Wright techman83 at gmail.com
Mon Mar 26 15:46:48 WST 2012

Hi All,

Me Again.. Haven't exactly fixed it. More or less cracked it and
brought the networking out to the physical world. 4 ports in an
untagged vlan on a managed switch. Problem solved, albeit with a
little less segregation than we'd like.


On Mon, Mar 26, 2012 at 12:34 PM, Leon Wright <techman83 at gmail.com> wrote:
> Hi All,
> This is a verbose copy of what I sent to the SAGE-AU list for any
> members that are on both. I'm running out of hair to pull!
> DEV cluster Setup:
> 2x ESXi 5 nodes (fully licensed in a cluster)
> Distributed Switch with a crossover cable physical uplinks for common
> networking for VMs on different nodes
> 2x port groups with private VLANs for simulation of WAN sites
> vSwitch on one node to a physical port in the lab
> Ubuntu 10.04 box for general routing
> Now we're attempting to make a port available to one of the Private
> VLANs and there didn't seem to be a way to add it to the distributed
> switch, so we figured bridging in linux would be much simpler.
> Interface on a vSwitch attached to a Physical port, Interface inside
> the the Distributed port group.
> What works:
> Both sides can ping the Bridge IP
> Broadcast traffic goes from one side of the network to the other (arp/dhcp/etc)
> What doesn't work:
> Everything else!
> Things we've tried:
> vSwitch/dVswitch security settings, Allow Promiscuous mode/mac
> spoofing  - this was actually required to allow both sides to ping the
> bridge IP
> echo 0 > /proc/sys/net/bridge/*
> altering vmx file to allow network card promiscuous mode
> E1000/VMXNET3 card types
> Duplicated in the physical world  "Just Works" (disclaimer, not
> exactly the same setup, but wanted to make sure bridging is as easy as
> I recall it).
> We've run out of ideas. Anyone have something else I can try? Have a
> better idea of a native vmware way to get a physical interface into a
> distributed port group?
> We could tie all the WANSITE1 VMs onto one node and use vSwitches, but
> we really like the flexibility that the dVswithes give us. Also we
> have a lot of VMs to replicate for that site, so we may run out of
> resources doing that.
> Thanks,
> Leon
> --
> DRM 'manages access' in the same way that jail 'manages freedom.'
> # cat /dev/mem | strings | grep -i cats
> Damn, my RAM is full of cats... MEOW!!

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