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Help!!!! ROFL how many have we seen of those lately???

but then I just remembered a clients problem with an NT server so maybe maniacman can HELP!!!.

Windows NT 6 that when taken off the network, users can get to the internet. can't remember if NT has ICS.

The internet connection is through a PIX 501 and an old Cisco 2600 which is not configurable. Users addressing is static with the gateway as the 2600 router.

So what the desired outcome is, take the NT box off the network, install W2K server as a file server and users can get to the internet.
Tags: networking
3rd Dec 2007

Answers (4)

0 Votes
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Interesting...
Did you mean "users can't get to the internet", because if they can, isn't your problem solved? happy

If the users point to the router as the gateway then all destination addresses should be hitting the router and then looking for a way out. I thought ICS made the server a router of sorts that used NAT to share an internet connection. I would have thought the NT box would have needed to be the gateway to do this, although I guess it's possible the router was sending those packets to the NT4 box running ICS. Of course if this were the case the NT4 box would probably need dual NICs and be connected to the PIX 501? Hmmm, just thinking out loud.

Just out of curiousity, why can't the config on the 2600 be changed?
3rd Dec 2007

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the PIX and 2600 belong the the parent company as well as the T1 link. That's the demarc point between the parent company and child company. The parent company doesn't want to spend the $$ to reconfigure the 2600 and PIX so the W2003 box will work. The W2003 box belongs to the child company. The parent company says the NT box and W2003 box aren't their so they won't mess with it.

So, I've gone in, taken the NT box off the network, configured the W2003 Box with the same TCP/IP settings as the NT box and it won't get to the internet. Put the NT box back on the network [changing the W2003 box TCP/IP settings to a different addressi] and volia internet connection on the w2003 box.

So I figured ICS must be running but the NT box has only 1 NIC.

pretty stumped at this point.

clients go to the gateway which is the 2600 but again, they shouldn't lose internet connectivity simply because the NT box is offline but they do.
CG IT 3rd Dec 2007
The NT4 box is running ISA. ICS requires two NICs. One two be the LAN side and one to be the WAN side.

BTW, you were fast on that reply!
scott_heath@... 3rd Dec 2007
and yeah quick reply...been going though the discussion threads...
CG IT 3rd Dec 2007
Feeling thumb happy? wink
scott_heath@... 4th Dec 2007
0 Votes
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ROFL who can remember?
Could the NT4 box have been configured as an ICS Client.

Just a thought.
3rd Dec 2007

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provided with that clunky old kernel.
ManiacMan 3rd Dec 2007
not sure how to get the NT box off the network and the W2003 going... seems as if the 2600 doesn't like anything but the NT box and I've no way of looking at the 2600 running config.
CG IT 3rd Dec 2007
Maybe a complete tear down and rebuild is in order?
ManiacMan 3rd Dec 2007
but can't figure out how to get internet connectivity for all devices with the NT box out of there since we can't get into the 2600 or the PIX.
CG IT 3rd Dec 2007
I don't recall the exact procedure, but it involves rebooting the device and breaking out of the boot process, changing some register, and then changing the enable password and such. You may be able to find this info if you google for it, as it's public information. It's quite possible as well that the NT4 box is running MS Proxy Server, but it's been too long since I touched something with that much cobweb buildup on it.
ManiacMan 3rd Dec 2007
that's not owned by the company.

it's a weird setup. The parent company provides the internet access to this child company but other than that, is pretty much hands off. However, they have said they will not buy new equipment [e.g. Cisco router or firewall nor reconfigure it for us].

I've mentioned to the child company manager to just get his own DSL line and he's thinking about it but of course with all businesses, cost is a problem and he does have internet connectivity just no way to upgrade his old NT box.
CG IT 3rd Dec 2007
this working for them if you can't touch the equipment and they're being a bunch of stubborn pricks about buying new Cisco hardware? Who are these dillweeds anyway?
ManiacMan 3rd Dec 2007
remember that one. Dillweed.

What a beauty!
Jacky Howe 3rd Dec 2007
but it's the problem this customer has. Seeing how he's had a bunch of other IT guys in also scratching their heads, he's call us in.

I've configured the W2003 server with the same addressing as the NT server[unplugging the NT server's cable]so there's not a duplicate address on the network and everyone loses their internet connection. So that sorta made me think the NT box is acting as a router itself or a proxy [but didn't look for MS Proxy server 2.0 software.

It's a weird setup.
CG IT 3rd Dec 2007
don't envy your position. At the moment you are between a rock and a hard place.
Jacky Howe 3rd Dec 2007
Perhaps they'll be able to psychically work on the equipment without touching it through their use of voodoo magic.

Call me now for you free psychic IT reading. laugh
ManiacMan 3rd Dec 2007
you can't imagine how many places I've gone to where the Geek Squad was previously there.

It seems that they've really paired down their consumer and small business on site support services though.
CG IT 3rd Dec 2007
They may be A+ certified and such, but they are not common sense and business logic certified. Some of the things I've seen them do made me wonder if they were human or a bunch of chimps wacking away at the PC with a large wooden stick.
ManiacMan 3rd Dec 2007
I swear, the people they hire are the same, shall we say "kids", that are the local computer geek guy that lives down the street and frequently "fix" the neighbor's computer. They know a bunch of hacks and convince people they've done their best to "fix" it for them. But, the problem is still there. It's just not visible any longer... or worse, all of their precious photo's disappeared shortly after the "kid" said.... OOOPS!
ThumbsUp2 3rd Dec 2007
It'll give you a picture of what's acting as a DHCP server and what's going where in terms of traffic and such. Download WireShark and install it on your laptop. It's free and works just as well, if not better than Sniffer.
ManiacMan 3rd Dec 2007
well haven't sniffed packets...

didn't want to spend a lot of effort on this little project [billable time vs affordability] if it was an easy fix.

appears it's not.
CG IT 3rd Dec 2007
0 Votes
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Agree with Maniac and Scott
No ICS on NT4, but as Scott asked, is it possible that the NT box is running MS Proxy, the predecessor to ISA?
3rd Dec 2007

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and not near enough to the company to check out.
CG IT 3rd Dec 2007
0 Votes
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Is there a proxy server on the NT?
I believe you only need one NIC for that. If there were a lot of different techs working on that configuration in the past, no telling what's there.
4th Dec 2007
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