Question about Computers & Internet
Dhcp not working because of a switch
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Posted on Jan 02, 2017
Hmm... on your DHCP server, try setting the "default router" IP for each pool to be the VLAN ID on the switch.
scope 172.16.0.0 /24
scope 10.20.8.0 /22
I think the DHCP replies aren't going back where they should. I've never done this without a router doing all the DHCP, but it does work and i've done it many times. Your config looks spot on for the switch.
Posted on Feb 05, 2009
Here are some troubleshooting steps that I suggest you try:
1. Check physical connections.
a. Connect the modem to the Internet port of the router. The Internet “i” LED on the front of the router should light up.
b. Connect the computer to one of the four LAN ports (i.e port 1, 2, 3 or 4) on the back of the router. The corresponding port light where you connected the computer should be lit up.
2. Access the router's web-based utility.
a. Please open any web browser like Internet Explorer or Netscape Navigator.
b. Connect to the router by typing http://routerlogin.com/basicsetting.htm or http://192.168.1.1 in the address field and click Enter or Return key.
c. A window will prompt for a user name and password. By default, the user name is "admin" and the password is "password".
Note: If you were unable to access the router's web-based utility, you may reset the router to restore the settings to factory default.
To reset the router:
a. Please push the reset button at the back of the router and release after 30 seconds.
b. Unplug the power adapter for 10 seconds and then plug it back in.
3. Configure the router.
If your Internet Service Provider is using a cable connection, please follow the steps below:
a. Click on Basic Settings under Setup tab.
b. Select No for Does Your Internet Connection Require A Login?.
c. Scroll down on the center page and look for the Router MAC Address section. Set it to Use computer MAC address and click on the Apply button.
If your Internet Service Provider is using a DSL connection, please follow the steps below:
a. Click on Basic Settings.
b. Select Yes for Does Your Internet Connection Require A Login?.
c. Select Other on the Internet Service Provider drop down box.
d. Enter your ISP's username (username@ISPdomain) and password. Then, click on Apply.
4. Power cycle.
a. Power off the modem, router and computers.
b. Turn on the power of the modem first and wait for it to initialize, the lights to stop blinking.
c. Power back the router and the computers. Check if it will be able to get online.
If you have wireless computers, you can connect them wireless to the router. Kindly follow the instructions below:
From the above configuration, please check if you can now access the Internet.
Posted on Aug 16, 2009
I suggest you reconfigure you network. Maybe your configuration authorizes only one IP adress on the network.
Try to reset your router to defaults to see if that solve your problem. After that you will have to reconfigure the router.
Hope it helps.
Posted on Sep 11, 2009
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