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8.5 Viewing WAN Logs
To view all WAN logs, including ISDN D-channel and PPP/PPPoE/
PPTP messages, the simplest way is to type "log -w -t".
The steps are:
1. Login to the Telnet terminal.
2. Type "log -F w" to clear all PPP/PPPoE/PPTP and ISDN
logs.
3. Ping to any outside host to trigger the router to dial from your
PC.
4. Type "log -w" to display the latest WAN log. If you want to
display all WAN logs, use the "log -w -t" command.
8.6 Troubleshooting the DHCP Client on WAN
In a Cable access environment, the DHCP client (dynamic IP) is a
popular way to access the Internet. The router provides "ip dhcpc ..."
commands to help you to diagnose DHCP client problems. These
commands are similar in function to the ipconfig.exe or winipcfg.exe
tools on MS Windows OS platforms.
Type the "ip dhcpc ?" command. You will get the subcommands shown
below:
Releasing the IP Address
The command to release the WAN IP address is "ip dhcpc release".
After typing the command, the router will release all IP settings on
the WAN interface.
Troubleshooting & FAQ
8-7
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