Well that's interesting indeed. Glad you got that working.
I wonder what would have happened if you just changed the MAC address... Kurt On Fri, Dec 8, 2017 at 3:49 PM, Scott Schneider < sschnei...@inscapesolutions.com> wrote: > Thanks for the input. As a last Hail Mary pass, I tried a vMotion move to > another server in the cluster and low and behold it came alive. Maybe it > was MAC issue. > > -----Original Message----- > From: listsad...@lists.myitforum.com [mailto:listsadmin@lists. > myitforum.com] On Behalf Of Kurt Buff > Sent: Wednesday, December 6, 2017 7:48 PM > To: ntsysadm <ntsysadm@lists.myitforum.com> > Subject: Re: [NTSysADM] windows 2012 R2 on VMware 5.1.0 SonicWALL NSA4500 > > Are the MAC addresses the same on both networks? If they are, it might be > confusing things. > > Kurt > > On Wed, Dec 6, 2017 at 1:19 PM, Scott Schneider < > sschnei...@inscapesolutions.com> wrote: > > Time to bring in the experts, I’m stumped. > > > > > > > > I have a windows 2012 R2 server on VMware 5.1.0 with a SonicWALL > > NSA4500. On the SonicWALL we have and internal and DMZ network, same > > with the vCenter > > 5.1.0 > > > > The 2012 server was built on the internal network with an IP of > 172.16.1.79. > > The server is supposed to replace an old 2003 server in the DMZ. > > > > When on the internal network it pings fine and behaves normally. > > > > I shut down the 2003 server in the DMZ (it pings, gets out to the net > > and does a normal arp –a) and duplicate the IP it uses 172.31.0.3 on > > the 2012 server. > > > > On the VMware side I switch the network from INT to DMZ. I can ping > > the server OK, get out to the net and do a normal arp -a, but the > > Websphere app it runs doesn’t behave as expected. > > > > If I do an arp –a on the 2012 or 2003 server it shows the default > > gateway > > 172.31.0.1 > > > > > > > > So I want to put it up on another IP in the DMZ and run the 2 servers > > in parallel. I duplicate the SonicWALL rules and bring it up on IP > 172.31.0.6. > > I can’t ping or get out to the net. I try an arp –a and have no have > > default gateway. Monitor sniffs from the SonicWALL show no traffic. > > > > OK I think I messed up the rules. I bring down another server using IP > > 172.31.0.4 in the DMZ which can ping, do an arp –a and get out to the > > net on. > > > > I assign the same IP 172.31.0.4 to the 2012 server and I still get no > > connectivity. It only works if I bring it up on 172.31.0.3. I flushed > > the arp cache on the SonicWALL each time I changed IP’s. > > > > What could be configed in the network on the 2012 server which could > > cause this behavior? It works on the internal side 172.16.1.79 (or any > > other internal IP) or with a 172.31.0.3 address in the DMZ but no > > other DMZ IP will work on the 2012 server. > > > > > > > > Scott Schneider > > Senior Network and System Administrator > > > > Inscape > > T 905 952 4001 | C 705 716 4540 | Skype > > sschnei...@inscapesolutions.com > > > > inscapesolutions.com > > > > > > >
