I am seeing this same phenomenon on mine. Same basic setup with 5.5. I have 2 HUB/CA exchange 2010 servers that really like to autoconfigure their IP stack instead of taking the statically assigned ip addresses after rebooting the Guest OS for MS patches. It takes me the better part of an hour to get the DAG back up and running.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Kurt Buff Sent: Thursday, April 03, 2014 5:09 PM To: [email protected] Subject: Re: [NTSysADM] No communication between VMs on an ESXi host Both ports in the trunk on the switch show as up. Looks good there. Kurt On Thu, Apr 3, 2014 at 1:59 PM, Damien Solodow <[email protected]> wrote: > Ok. > Does the switch show the trunk group as up? > > DAMIEN SOLODOW > Systems Engineer > 317.447.6033 (office) > 317.447.6014 (fax) > HARRISON COLLEGE > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Kurt Buff > Sent: Thursday, April 3, 2014 4:57 PM > To: [email protected] > Subject: Re: [NTSysADM] No communication between VMs on an ESXi host > > Not sure what you mean by that. The Virtual Machine Port Group is set in the > same VLAN as the Management Port Group, which is the VLAN to which the ports > on the physical switch are tagged. > > Kurt > > On Thu, Apr 3, 2014 at 1:45 PM, Damien Solodow <[email protected]> > wrote: >> Is the vSwitch tagging? >> >> DAMIEN SOLODOW >> Systems Engineer >> 317.447.6033 (office) >> 317.447.6014 (fax) >> HARRISON COLLEGE >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Kurt Buff >> Sent: Thursday, April 3, 2014 4:44 PM >> To: [email protected] >> Subject: Re: [NTSysADM] No communication between VMs on an ESXi host >> >> Sorry, forgot to add - only one VLAN on this switch, and the physical switch >> ports are tagged to this VLAN, and of course all of the VMs are on this >> VLAN, and are using the VMX NET 3 NIC. >> >> Kurt >> >> On Thu, Apr 3, 2014 at 1:39 PM, Kurt Buff <[email protected]> wrote: >>> All, >>> >>> My search-fu is failing, so I turn to you for help... >>> >>> I have a small ESXi 5.5 host, about to go into production. >>> >>> The three VMs (2008R2 for all of them, a DC, Exchange 2010 and a >>> PRTG >>> box) on it can communicate with machines not on the ESXi host - >>> ping, RDP, etc. - and vice versa. No problems. >>> >>> However, the three VMs on this host cannot talk with each other. No >>> ping, no RDP. When pinging from one of the VMs to another, I get a >>> mix of unreachables from the VMs own address and straight timeouts. >>> >>> There is only one vSwitch, which has two NICs bound to it, and the >>> vswitch is set up to route based on IP hash. The physical switch to >>> which they are connect (and this shouldn't matter, but...) is an HP >>> 2510G-48, and the ports for the host are in a simple trunk - no LACP. >>> >>> I've turned off the Domain profile of the firewall on one of the >>> machine, which seems to make no difference. >>> >>> I've examined the VMware host security settings to no avail. I've >>> turned off the Windows firewall. >>> >>> I've got 3 ESXi hosts in a vSphere Standard cluster that doesn't >>> have this problem. >>> >>> Kurt >>> >>> >> >> > > This e-mail and any files transmitted with it are property of Indiana Members Credit Union, are confidential, and are intended solely for the use of the individual or entity to whom this e-mail is addressed. If you are not one of the named recipient(s) or otherwise have reason to believe that you have received this message in error, please notify the sender and delete this message immediately from your computer. Any other use, retention, dissemination, forwarding, printing, or copying of this email is strictly prohibited. Please consider the environment before printing this email.
