PENTAGRAM Cerberus [P 6361]
Problems with the Web Interface
I cannot access the web Interface:
1.Make sure you are using the correct IP address of the router. Check the IP address of the
router;
2.Your computer’s and the router’s IP addresses must be on the same subnet for LAN access;
3.If you changed the router’s LAN IP address, then enter the new one as the URL;
4.Remove any filters in LAN or WAN that block web service.
Problems with the Login Username and Password
I forgot my login username and/or password:
1.The default username is “admin”. The default password is “admin”. The Password and
Username fields are case-sensitive. Make sure that you enter the correct password and
username using the proper casing;
2.If you ever forget the password to log in, you may need to restore the factory default
settings. Use the RESET button: While router is powered on, press and hold the Reset button
for about 10 seconds. Release the reset button and wait for the router to reboot.
Problems with LAN Interface
I cannot access the router from the LAN or ping any computer on the LAN:
1.Check the Ethernet LEDs on the front panel. A LAN LED should be on for a port that has a
PC connected. If it is off, check the cables between your router and the PC. Make sure you
have uninstalled any software firewall for troubleshooting;
2.Make sure that the IP address and the subnet mask is consistent between the router and
the workstation.
Problems with the Internet Access
I cannot access the Internet:
1.Make sure the router is turned on and connected to the network;
2.If the WAN LED is off, refer to Section WAN LED of this troubleshooting;
3.Verify your WAN settings;
4.Make sure you entered the correct user name and password;
5.For wireless stations, check that both the router and wireless station(s) are using the
same SSID, channel and encryption keys (if encryption is activated).
Internet connection disconnects:
1.If you use PPPoE, check the idle time-out setting;
2.Contact your ISP.
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