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ES 2000 typical setup...

Posted on 2002-03-08
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Last Modified: 2008-03-06
Hi folks.

Max points here, since I'm a newbie to ES and I'm trying to set up a pilot scheme for a client in the UK.

I have two win2k servers.  Call them Lord and Lady.

The LAN has 30 XP clients and 600 Users (students) on a single subnet, 192.168.0.x, 255.255.255.0

The LAN has an ISDN router (Netgear RH348) with four UTP ports.  IP is 192.168.0.1

The router dials a standard Home User ISP (freeuk.com) where we have a single POP3 node (node.freeuk.com) with multiple email addresses (jb@node.freeuk.com, tf@node.freeuk.com...)  Their DNS is 212.126.144.2

Lord is the master (sic) with two NICs, one to the LAN (192.168.0.3) and one to the router (192.168.0.2).  Lord runs DNS and WINS for the LAN.  The NIC to the router is currently controlled by WinRoute Pro, which dials the ISP and brings down all the mail, sorts it according to sorting rules, and delivers to Outlook 2002 which is configured with a POP3 account directed at 192.168.0.3.  This works perfectly well.  In addition, I've added MS Mail to Lord and the client XP boxes for internal routing.  It works fine as well, but it's a bit of a cludge.

On Lady I have a smiliar routing setup.  An NIC to the LAN (192.168.0.4) and one to the router (192.168.0.5).  I've installed ES 2000 on Lady without a hitch, and what remains is for me to configure an POP3 VS for mail acquisition from the same ISP account, plus internal mail.

I've got an SMTP VS for internal mail working fine, and that's as far as I've got.  But I'm beginning to suspect that I'm already backing myself into a corner, in that I need for Users to be able to dial in to pick up their mail.  In this respect I wondering whether I need to set up a mail gateway, and whether I'm able to, given the above configuration.  If it's possible, I then need to know HOW!

I've trawled a lot of literature, both in advance of and since installing, without much luck.  What I'm looking for is:

a) Links to documentation detailing the setup of ES within a network similar to the one described above.

b) Failing that, a detailed answer from someone here who'd be kind enough to go as far as tellingme where to point my mouse and what to type.

I realise it's a lot to ask, and not quite in keeping with the essence of the forum (read: EXPERTS Exchange!), but I still feel this is the best place to asking for such info given the talents and generous natures of the members.

Gah.  Enough ego-massaging.  Anyone out there?

Regards and hopefully,

Old Dog

(Watching his mail every five minutes today...)



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Question by:Old_Dog
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by:andyalder
ID: 6850813
Hmm, ISDN dialup so they won't be able to collect their mail through the Internet from your server. You'll have to setup a RRAS server with modems on it for them to dial into the LAN. Install the modems, then under admin tools go into routing and ras. right click on the server with the modems and setup RRAS as a RAS server. defaults are just about correct, I'll try to find a whitepaper for you on how to setup rras as a dial in server later on.  

>>Lord is the master (sic) with two NICs, one to the LAN (192.168.0.3) and one to the router (192.168.0.2).

That can't be right, the internal network has to be on a different subnet than the one connecting to the router, so one NIC ought to be 192.168.0.3 and the other one 192.168.1.2 with the router at 192.168.1.1 possibly.

Can you get ADSL instead of the ISDN router? that would enable them to get their mail through POP3 or IMAP through the Internet and save on your phone bill.
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by:Old_Dog
ID: 6858635
andy,

Much as I'd like ADSL, the client is planning to implement a microwave wideband next year and so wants to stick with the status quo for now.

Why should the 2nd NIC be on a different subnet?  Is there any particular advantage to this?  Does it reduce extraneous traffic (the ISDN line does appear to make a lot of short calls...)?

A white paper would be great; sorry I didn't get back sooner.
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andyalder earned 300 total points
ID: 6862274
They have to be on different subnets because the following scenario:

Say the dual-homed server has a packet for 192.168.0.10, which interface card should it send it on? It could be either connected to 192.168.0.2 or 192.168.0.3 from your topology so sometimes it will send it out of the wrong interface. Not quite that simple really since there's a broadcast first which might go out of both interfaces, not worth explaining since it's never done. Always seperate subnets except when 2 special network cards are teamed to increase bandwidth.

Here's the ras howto:
http://support.microsoft.com/view/tn.asp?kb=300434
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by:Old_Dog
ID: 6863016
I got ya.  I originally set up the two NICs in the first server to serve one subnet and never bothered changing the ip since "everything seemed to work" after I installed Winroute.

Perhaps that explains the over-frequent dial-ups...

Thanks for the white paper.
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