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DHCP and VPN

By jbk1009 ·
I am missing something simple, driving me crazy:

I have a Win2000 Server, with 2 nic cards, one for Inter and one for Intra.

I have VPN configured, and it works, but it assigns an IP address on 169.x.x.x when my internal DHCP assigns local clients 192.x.x.x correctly.

How do I make VPN pull from the same pool of numbers as my local clients do?

Thanks.

JB

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DHCP and VPN

by CG IT In reply to DHCP and VPN

you can specify a pool of addresses for remote access users in RRAS. As a matter of fact, Microsoft recommends as a best practice to use a static pool in lieu of DHCP

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DHCP and VPN

by CG IT In reply to DHCP and VPN

if you want to know how to set up a static pool, in RRAS right click on <server name> your server. Click the IP tab, check the boxes enable IP routing and allow IP based remote access and demand dial connections. Then check Static Address pool and enter the static address pool. Make sure the static pool you use is in the Server's Local Address Table [LAT]. down at the bottom of the properties page, you'll see the "Use the following adapter to obtain DHCP,DNS and WINDS address for dial up clients. Make sure "Allow RAS to select adapter" is showing [or use DNS/WINS/DHCP bound adapter[usually your internal adapter is bound to DNS/WINS/DHCP].

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DHCP and VPN

by CG IT In reply to DHCP and VPN

Technet has a whole slew of articles on how to setup RRAS VPN.

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DHCP and VPN

by CG IT In reply to DHCP and VPN

note: For RRAS to use any IP addresses, [static or DHCP] they must be listed in the LAT and NOT used by any other services or by either NIC's. That is probably why your are getting the 169.XXX.XXX.XXX assignment because the IP address range you assign is being used by another service.

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DHCP and VPN

by CG IT In reply to DHCP and VPN

ooops correction. For RRAS to use static IP addresses [DHCP doesn't apply here] the pool must be listed in the LAT and NOT used by any other services or either NIC.

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DHCP and VPN

by jbk1009 In reply to DHCP and VPN

The question was auto-closed by TechRepublic

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DHCP and VPN

by Joseph Moore In reply to DHCP and VPN

I agree with DR's suggestion of static IPs.
Now, the 169.254.0.0/16 address you are seeing is the APIPA address. Microsoft got the 169.254.0.0/16 address space and put that into Win2K/XP for automatic IP addressing when no other IP address (either static or DHCP-assigned dynamic) can be found or used.

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DHCP and VPN

by jbk1009 In reply to DHCP and VPN

The question was auto-closed by TechRepublic

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DHCP and VPN

by jbk1009 In reply to DHCP and VPN

Where do I add it? I have looked in RRAS and cannot find the selection for the remote users. Like I said, I know I am missing the obvious, and it is frustrating.

Thanks.

JB

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DHCP and VPN

by curlergirl In reply to DHCP and VPN

I am having the exact same problem, exact same configuration. Mine was working fine until I removed the internal NIC and installed a new Gigabit NIC. I think when I first rebooted, it got a private address automatically (the 169.x.x.x). I have since changed the address to a correct static internal address (192.168.x.x), and I have everything else configured properly, also - DHCP relay agent is on and pointing to the correct DHCP server (same server as VPN server actually). However, it persists in giving out a 169.x.x.x address to VPN client and I too cannot figure out why. I even checked my routing table before connecting a VPN client, and it is fine, but then after connecting, the 169.x.x.x address shows up in my routing table. The static address thing might work, but I prefer not to do that (because my DHCP server also assigns WINS and DNS, router, etc.) and can't figure out why it was working and now isn't. I am going to MS tech support (free newsgroups) with the question, so if you want to wait until I get an answer from them (probably early next week), email me directly at synergy@synoffsys.com and I'll share the results with you.

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