Allied Telesis AR450S Uživatelská příručka Strana 32

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32 AR400 Series Router User Guide
Software Release 2.5.2
C613-02034-00 REV A
Troubleshooting
The GUI resource file has an 8-digit name, with the file extension rsc (for
example,
d450se01.rsc). To check which resource files are present on the
router use the command:
SHOW FILE
To display information about the GUI resource file that is currently installed,
use the command:
SHOW GUI
To display information about the router’s HTTP server, use the commands:
SHOW HTTP SERVER
SHOW HTTP SERVER SESSION
Accessing the GUI
Problem You cannot access the GUI.
Diagnosis Check if you can ping the router’s public interface from your PC. If you get a
response, this indicates that the public interface’s IP address is valid, and that
your PC has a route to it. Note that you will not get a response if Respond to
ping is unchecked on the Firewall Policy Options page (Configuration >
Firewall > Interfaces > Policy options). This option is checked by default.
Solution
If you cannot ping the router’s public interface:
Check that your PC’s gateway is correct, so that your PC has a route to
the router.
The IP address of the router’s public interface may be incorrect. To
correct this, access the CLI and use the IPADDRESS parameter of
command SET IP INTERFACE
The IP address of the router’s default gateway may be incorrect, so that
the router does not have a route back to your PC’s gateway. To correct
this, access the CLI and use the NEXTHOP parameter of the command
ADD IP ROUTE or SET IP ROUTE.
If the router should be dynamically assigned an IP address, check that the
DHCP server can reach the router, by pinging the router from the DHCP
server. Note that you will not get a response if Respond to ping is
unchecked on the Firewall Policy Options page (Configuration > Firewall >
Interfaces > Policy options tab). This option is checked by default.
If your PC accesses the Internet through a proxy server, you may need to
set your browser to bypass the proxy when browsing to the router’s IP
address range. See “HTTP Proxy Servers” on page 26 for more
information.
If you cannot access the GUI because your username or password fails,
check that you are spelling them correctly. The username “manager” will
always be valid. Its default password is “friend”. Note that passwords are
case sensitive.
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