From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ryan King" References: In-Reply-To: Date: Wed, 7 Apr 2010 07:57:58 +0800 Message-ID: <000001cad5e4$fcc81030$f6583090$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Language: en-au Subject: Re: [Bridge] Bridging vSwitches in VMwares ESXi List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: 'Robert LeBlanc' , Ryan Whelan Cc: bridge@lists.linux-foundation.org On Tue, Apr 6, 2010 at 3:02 PM, Ryan Whelan wrote: > > I'm having an issue bridging 2 virtual switches in VMwares ESXi. = =A0I've made a post on the VMware forums describing the issue (http://communities.vmware.com/message/1507261#1507261). > I have searched the internet and found a post (http://archives.free.net.ph/message/20100108.174704.efbb18cc.ja.html) = by someone having the exact same issue- it looks like that post was on this list? > In short, I have a Linux VM in ESXi with 2 vNICs- one in each of 2 different vSwitches. =A0A client (in my case a windows machine) on the = second vSwitch can't get the MAC address of the default gateway on the first vSwitch. =A0Sniffing the traffic shows the arp broadcast from the = windows machine making if over the linux bridge and getting responded to by the cisco gateway but the response never makes it back over the bridge. =A0Watching the mac table in the linux bridge shows it = mistakenly=A0associates the mac address of the windows machine to the wrong port (eth0 in my = case, eth1 is the vNIC plugged into the switch with the windows box) > Im not sure where the issue is; its really pretty simple setup. =A0Am = I missing something simple? Is there really a bug here? > Thanks! You do not wan to bridge in a VMWare environment, it will only drive you to an early grave. I've blogged my experience with this problem at http://robert.leblancnet.us/ you will need a google wave account to view it. In short use proxy arp instead if you can. Robert LeBlanc Life Sciences & Undergraduate Education Computer Support Brigham Young University I've also had the exact same issues. However, if I move one of the = vNICs to a vSwitch using a different physical nic, then the issue seems to go = away. Ryan King