Solved

Issue with DHCP using Cisco wireless adsl router, Cisco VPN, Windows server 2008 DHCP

Posted on 2010-09-10
5
974 Views
Last Modified: 2012-05-10
Hi. i have an issue with using DHCP.

My current setup is
Cisco wireless router/adsl all in one, DHCP is disabled. This is then connected to
Cisco VPN Router, also DHCP is disabled. Then that is connected to the Winders server 2008 DHCP Role.
All computers connecting through the lan cable have no problems with accessing server or internet.
All wireless computers cannot find an ip address though.
I have set the adsl IP to 192.168.0.1
the vpn to 192.168.1.1
and the server dhcp is 192.168.1.111

what setting am i doing incorrect that allows wireless access to pickup the dhcp server. I have the
wan cable connected from the vpn router to port 1 on the adsl wireless router.

I have set the vpn to use static internet ip and pointing that to the modem.
on the wireless i have tried to use dhcp relay and pointing that to the vpn 192.168.0.10 is the address
the vpn connects to the adsl

I need dhcp tp go through the server because they are running exchange server 2010.

Thank you
Matt
0
Comment
Question by:cybertechcomputers
  • 3
5 Comments
 
LVL 34

Expert Comment

by:Istvan Kalmar
ID: 33651534
Please show the configs
0
 

Author Comment

by:cybertechcomputers
ID: 33651565
what do you mean by show config, are you after a screen print?

the models are

adsl wireless router, wag120n and the vpn router is
rvo42
0
 
LVL 50

Expert Comment

by:Don Johnston
ID: 33651577
On the wireless router, you will need an "ip helper-address 192.168.1.111" assigned to the wireless interface.
0
 

Author Comment

by:cybertechcomputers
ID: 33651591
where do i find that, even though the wireless router is on a different ip range then the dhcp. wireless router / modem is 192.168.0.1 and the dhcp is 192.168.1.111
0
 

Accepted Solution

by:
cybertechcomputers earned 0 total points
ID: 33651677
I ended up resolving the issue, i connected a switch to both devices, then point the adsl wireless to dhcp relay to the dhcp server. all went fine.

Thank you for you help
Matt
0

Featured Post

Free Trending Threat Insights Every Day

Enhance your security with threat intelligence from the web. Get trending threat insights on hackers, exploits, and suspicious IP addresses delivered to your inbox with our free Cyber Daily.

Join & Write a Comment

I have seen some questions on problems with SSH/telnet access to Cisco routers that may occur despite the fact that from a PC connected to your LAN, Internet connectivity is in place and users can access Internet sites without any issues.  There are…
Configuring network clients can be a chore, especially if there are a large number of them or a lot of itinerant users.  DHCP dynamically manages this process, much to the relief of users and administrators alike!
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…

708 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

19 Experts available now in Live!

Get 1:1 Help Now