it seems the fix for this would be for vmware to do a better job 'fencing' the secondary pNIC when in an active/passive setup
im really disappointed to find out this isn't an issue i can work around (without compromising redundancy, or replacing the vSwitch etc) On Tue, Apr 6, 2010 at 11:01 PM, Robert LeBlanc <[email protected]>wrote: > On Tue, Apr 6, 2010 at 8:41 PM, Ryan Whelan <[email protected]> > 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. > > Robert LeBlanc > Life Sciences & Undergraduate Education Computer Support > Brigham Young University > > > _____________________________________ > This e-mail and any attachments from Toyota Boshoku America > (TBA), TrimMasters Inc. (TMI), or other affiliated companies may > contain confidential and privileged information. > > If you are not the intended recipient, please notify the sender > immediately by return e-mail, delete this e-mail and destroy any > copies. > > Any dissemination or use of this information by a person other > than the intended recipient is unauthorized and may be illegal. >
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