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Chapter 49 Troubleshooting
ZyWALL 2WG User’s Guide
685
• If there is a DHCP server on your network, make sure your computer is using a
dynamic IP address. See
. Your ZyWALL is a DHCP server
by default.
6
Reset the device to its factory defaults, and try to access the ZyWALL with the default IP
address. See
7
If the problem continues, contact the network administrator or vendor, or try one of the
advanced suggestions.
Advanced Suggestions
• Try to access the ZyWALL using another service, such as Telnet. If you can access the
ZyWALL, check the remote management settings, firewall rules, and SMT filters to find
out why the ZyWALL does not respond to HTTP.
• If your computer is connected to the
WAN
port or is connected wirelessly, use a computer
that is connected to a
LAN
port.
• You may also need to clear your Internet browser’s cache.
In Internet Explorer, click
Tools
and then
Internet Options
to open the
Internet Options
screen.
In the
General
tab, click
Delete
Files. In the pop-up window, select the
Delete all offline
content
check box and click
OK
. Click
OK
in the
Internet Options
screen to close it.
• If you disconnect your computer from one device and connect it to another device that has
the same IP address, your computer’s ARP (Address Resolution Protocol) table may
contain an entry that maps the management IP address to the previous device’s MAC
address).
In Windows, use
arp -d
at the command prompt to delete all entries in your computer’s
ARP table.
V
I can see the
Login
screen, but I cannot log in to the ZyWALL.
1
Make sure you have entered the user name and password correctly. The default user
name is
admin
, and the default password is
1234
. These fields are case-sensitive, so
make sure [Caps Lock] is not on.
2
You cannot log in to the web configurator while someone is using the SMT, Telnet, or
the console port to access the ZyWALL. Log out of the ZyWALL in the other session, or
ask the person who is logged in to log out.
3
Turn the ZyWALL off and on or disconnect and re-connect the power adaptor or cord to
the ZyWALL.
4
If this does not work, you have to reset the device to its factory defaults. See
.
V
I cannot access the SMT. / I cannot Telnet to the ZyWALL.