ZyXEL Communications XS3800-28 User Manual page 611

6
If the problem continues, contact the vendor, or try the advanced suggestion.
Adva nc e d Sug g e stio n
• Try to access the Switch using another service, such as Telnet. If you can access the Switch, check the
remote management settings to find out why the Switch does not respond to HTTP.
I can see the screen, but I cannot log in to the Switch.
L o g in
1
Make sure you have entered the user name and password correctly. The default user name is
and the default password is
2
You may have exceeded the maximum number of concurrent Telnet sessions. Close other Telnet
sessions or try connecting again later.
Check that you have enabled logins for HTTP or Telnet. 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.
3
Disconnect and re-connect the cord to the Switch.
4
If this does not work, you have to reset the device to its factory defaults. See
Pop-up Windows, JavaScripts and Java Permissions
In order to use the Web Configurator you need to allow:
• Web browser pop-up windows from your device.
• JavaScripts (enabled by default).
• Java permissions (enabled by default).
There is unauthorized access to my Switch via telnet, HTTP and SSH.
Click the
Displa y
unauthorized access to your Switch. To avoid unauthorized access, configure the secured client setting
in the
Ma na g e m e nt
Section 59.6 on page
access the Switch.
Chapter 73 Troubleshooting
. These fields are case-sensitive, so make sure [Caps Lock] is not on.
1234
button in the
Syste m L o g
> >
Ac c e ss C o ntro l Re m o te Ma na g e m e nt
550). Computers not belonging to the secured client set cannot get permission to
XS3800-28 User's Guide
field in the
Ma na g e m e nt
screen for telnet, HTTP and SSH (see
611
Section 4.7 on page
> screen to check for
Dia g no stic
,
a dm in
62.