ZyXEL Communications VES-1616F-3X Troubleshooting, 35.1 Problems Starting Up the Switch, 35.2 Problems Accessing the Switch

This chapter covers potential problems and possible remedies.

Table 87 Troubleshooting the Start-Up of Your Switch

	PROBLEM	CORRECTIVE ACTION
	None of the LEDs	Check the power connection and make sure the power source is turned on.
	turn on when you
	turn on when you	If the error persists, you may have a hardware problem. In this case, you should
	turn on the switch.
		contact your vendor.

Table 88 Troubleshooting Accessing the Switch

PROBLEM	CORRECTIVE ACTION
I cannot	Make sure the ports are properly connected.
access the	You may have exceeded the maximum number of concurrent Telnet sessions. Close
switch using	other Telnet session(s) or try connecting again later.
Telnet.	Check that you have enabled Telnet service access. If you have configured a secured
	client IP address, your computer’s IP address must match it. Refer to the chapter on
	access control for details.

I cannot	The administrator username is “admin”. The default administrator password is “1234”.
access the	The username and password are case-sensitive. Make sure that you enter the correct
web	password and username using the proper casing. If you have changed the password
configurator.	and have now forgotten it, you will need to upload the default configuration file. This
	restores all of the factory defaults including the password.
	If you have configured more than one IP interface, make sure another administrator is
	NOT logged into the web configurator on a different IP interface using the same
	account.
	Check that you have enabled web service access. If you have configured a secured
	client IP address, your computer’s IP address must match it. Refer to the chapter on
	access control for details.
	Your computer’s and the switch’s IP addresses must be on the same subnet.
	See the following section to check that pop-up windows, JavaScripts and Java
	permissions are allowed.