DSL Troubleshooting On Mac

Please run these tests before calling L A Bridge technical support.

1. Check Lights on the DSL Modem
If any lights are off or blinking then go to step #8.
2.

Check Ethernet Cable
Make sure you are using the grey ethernet cable that shipped with your DSL modem from Verizon. If you have lost this cable then you can use a standard "crossover" cable instead. Only use a "straight through" cable for modems shipped after the summer of 2000 and with serial numbers ending in 14. Serial numbers are found on the bottom of the modem.

3.

DHCP Lease
Mac OS 9:
Find out if you have a valid address by going to your TCP/IP Control Panel. You can get there by going to the Apple menu > Control Panels > TCP/IP.

In the IP Address field you should see a number starting with 206.117 or 207.151. If there is a number starting with 169.XXX then select Connect Via: PPP and then select Configure: Using PPP Server. Close the TCP/IP Control Panel and select Save when prompted. See example image below.

Now re-open the TCP/IP Control Panel and change the settings to Connect Via: Ethernet and Configure: Using DHCP Server. Close the TCP/IP Control Panel and select Save when prompted. If you still don't get an address starting with 206.117 or 207.151 then proceed to step #8.

4. Local Area Networks (LANs)
Try plugging one of your computers directly into the cable that attaches your DSL modem to the hub (or router). If a single computer connected to the DSL modem is able to obtain a lease and use the Internet then your problem is local to your network and may be a bad hub, bad port on the hub or incorrect wiring of your LAN. Verify whether you can see other computers on your network by clicking on the "Network Neighborhood" icon on your desktop. If you can see your other computers then the problem is probably in the connection between the hub and modem. Make sure the uplink port (AKA "cascade") on the hub is connected to the DSL modem using the supplied Verizon crossover cable. If there is an uplink button then this should be in the uplink position. Some hubs (Asante for example) have uplink ports that share their connection with one of the standard ports. Make sure you don't have a cable plugged into the standard port which corresponds to the uplink port.
5. Check TCP/IP Settings
Check the TCP/IP Control Panel and make sure the Connect Via: is pointed to the Ethernet adapter you are using. Please see Configuring your TCP/IP Settings.
6.

Do Ping Test
A ping test will tell you if your connection is active. Do a ping test to see if you can reach our router. Use the L A Bridge Network Utilities page to do Ping and Traceroute test directly from your Web browser. Macintosh users should optain the program "WhatRoute" from: http://crash.ihug.co.nz/~bryanc/ (Freeware) or IPNetMonitor from http://www.sustworks.com/ (shareware) to do network testing. For this example we are going to use WhatRoute. Launch WhatRoute and in the Host field type: 206.117.4.1 and have Ping selected from the first pull down menu. Click Ping.

If your DSL connection is down you will see red stars (* * *). If your connection is good then you will see lines showing the response time in millisecond's. See example image below.

7.

Trace Route Test
If you can ping our router, but you are unable to connect to our site or a particular Web site then do a trace route test.
For this example we are going to use WhatRoute. Launch WhatRoute and in the Host field type: 206.117.4.1 and have Trace selected from the first pull down menu. Click Trace.

If your DSL connection is down you will see red stars (* * *). If your connection is good then you will see lines showing the response time in milliseconds and you will see Trace completed at the end of your trace route. See example image below.

8.

Call L A Bridge:
Call L A Bridge at 310.228.3626, option 1. We will open a trouble ticket and help you establish where the problem lies. If you have an alternative Internet connection fill out an online trouble ticket.

 

L A Bridge Internet & DSL
P.O. Box 1001, Pollock Pines, CA 95726
v: 310.228.3626 ~


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