> -----Original Message----- > From: bridge-bounces@xxxxxxxxxxxxxxxxxxxxxxxxxx [mailto:bridge- > bounces@xxxxxxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Robert LeBlanc > Sent: Wednesday, 7 April 2010 11:02 AM > To: Ryan Whelan > Cc: bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx > Subject: Re: Bridging vSwitches in VMwares ESXi > > On Tue, Apr 6, 2010 at 8:41 PM, Ryan Whelan <ryan.whelan@xxxxxxxxxxxxx> > wrote: > > oh good- glad to find out im not crazy. we do have 2 pNICs in the > external > > facing vSwitch. Even when setting them as active/passive, its still > an > > issue. > > > > so its a confirmed issue with vmware- do they have any intention on > > correcting it? do we know? > > > > Yes as long as the pNIC is attached, even if in standby mode it causes > a problem. > > It is an issue, but they won't fix it for two reasons. 1. They will > never create a bridge between two vSwitches/VLANs, and 2. a fix would > introduce more overhead and reduce flexibility and since they adhere > to #1, it doesn't make sense. The flexibility they lose is multiple > pNICs to one or more switches without having to have any trunking > protocols. > > You can get around the problem by buying the Cisco Nexus virtual > switch, it's a real layer 3 switch, but it's a pricy option. > > If you want a bridge in a VM, then only pNIC per switch (no > redundancy). The other option, try to make the bridge a router > instead. For us we wanted a transparent firewall, so it was easy to > change the configuration to proxyarp for a transparent router instead. > Just to clarify our setup: The physical server has 4 physical nics. vswitch1 uses 2 pnics in active/active. vswitch2 uses 2 pnics in active/active. The VM (running openvpn) has a bridge with one vnic on vswitch1 and one vnic on vswitch2. Since moving the 2nd interface to vswitch2, I have not experienced this issue any more (ie: previously, both vnics were on vswitch1 - this was where we saw this issue). Ryan King _______________________________________________ Bridge mailing list Bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/bridge
