Thanks for following up on this. Always good to hear how these things turn out, even if it is self-inflicted. :)
And be happy you're only up to 375. * * *ASB* *http://XeeMe.com/AndrewBaker* *Harnessing the Advantages of Technology for the SMB market… * On Fri, Feb 3, 2012 at 2:31 PM, Jim von Stein <[email protected]> wrote: > Stupid administrator trick #375: enter the subnet mask incorrectly when > configuring the NIC. It was 255.0.0.0 instead of 255.255.0.0. Correcting > that error fixed it all.**** > > ** ** > > <facepalm>**** > > ** ** > > Jim v.**** > > ** ** > > *From:* Jim von Stein > *Sent:* Thursday, February 02, 2012 1:38 PM > *To:* NT System Admin Issues > *Subject:* ANOTHER network anomaly**** > > ** ** > > Adding an entry to the rash of weird networking issues…**** > > ** ** > > I have a WAN setup for our organization with three sites, each with its > own subnet, Domain server and file server (all in the same domain). The > “main” site is connected to site #2 by multilink t-1 through two Cisco > routers and to Site #3 by a “Branch Office” (fixed) VPN connection through > a couple of WatchGuard Fireboxes (all traffic from Site #3 routed through > the VPN). Everything works, browsing, file sharing, Internet access, it’s > all good.**** > > ** ** > > I brought up a new Server 2008R2 in the “main” site on a DL360G7 box and > installed the Remote Desktop Services Host role on it. No errors or > (observed) glitches. Joined to the domain, etc. I’m only using one NIC at > the moment, fixed IP address, reservation in DHCP, DNS entries good on all > internal DNS servers.**** > > ** ** > > Now, the problem. The new server cannot “see” site #3 at all; a ping to > any box in that site returns “Destination host unreachable” from the IP > address of the server (not the Firebox). Tracert returns the same on the > first line. The server can talk to everything in the main site and site #2, > and approved users can RDP into it from those sites with no problem, but > any attempt to connect to the server from site #1 (Windows Explorer, ping, > RDP) times out (*not* “Destination host unreachable”). Mobile VPN > connections from “outside” also time out.**** > > ** ** > > The other, identical (except for File Services instead of Remote Desktop) > server in the same rack has no difficulty communicating with Site #3, and > everyone at Site #3 can see it with no problem.**** > > ** ** > > The Server 2003 Terminal Services box is also accessible from all three > sites (and outside).**** > > ** ** > > Any ideas? I’m a Social Worker who inherited the IT Admin job 15 years > ago, and my knowledge of the black arts of networking is pretty > rudimentary; this has got me baffled, and Google has presented only cases > that had obvious (and inapplicable) differences.**** > > ** ** > > Jim von Stein**** > > Information Services Administrator**** > > SOASTC**** > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
