Which would mean multihoming the VMs, correct? I don't think that's the right approach here...
Kurt On Thu, Apr 3, 2014 at 1:50 PM, John Cook <[email protected]> wrote: > Add another virtual switch with a private range for communication between > servers? > > John W. Cook > Director of Network Operations > Partnership For Strong Families > 5950 NW 1st Place > Gainesville, Fl 32607 > Office (352) 244-1610 > Cell (352) 215-6944 > > MCSE, MCP+I, MCTS, > CompTIA A+, N+, Security + > VSP4, VTSP4 > > -----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 >> >> > > > > ________________________________ > > CONFIDENTIALITY STATEMENT: The information transmitted, or contained or > attached to or with this Notice is intended only for the person or entity to > which it is addressed and may contain Protected Health Information (PHI), > confidential and/or privileged material. Any review, transmission, > dissemination, or other use of, and taking any action in reliance upon this > information by persons or entities other than the intended recipient without > the express written consent of the sender are prohibited. This information > may be protected by the Health Insurance Portability and Accountability Act > of 1996 (HIPAA), and other Federal and Florida laws. Improper or unauthorized > use or disclosure of this information could result in civil and/or criminal > penalties. > Consider the environment. Please don't print this e-mail unless you really > need to.
