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PENTAGRAM Cerberus P 6331-62 Manual

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PENTAGRAM Cerberus P 6331-62
74
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 “pentagram”. The Password
and Username fields are case-sensitive. Make sure that you enter the correct password
and username using the proper casing;
2. Press the RESET button for 10-12 seconds, and then release it - the defaults have been
restored and the router restarts;
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.
3. In some cases computer with Windows Vista or Windows XP SP3 cannot obtain an IP
address from router’s DHCP server. If you encounter this, follow this steps to resolve this
problem (Microsoft Support page)
http://support.microsoft.com/kb/928233/en-us (this
article may be not available in user language).
Problems with WAN Interface
Initialization of the ADSL connection failed:
1. Check the cable connections between the ADSL port and the wall jack. The ADSL LED
on the front panel of the router should be on;
2. Check that your VPI, VCI and type of encapsulation settings are the same as what you
collected from your telephone company and ISP;
3. Restart the router. If you still have problems, you may need to verify your VPI, VCI and
type of encapsulation settings with the telephone company and ISP.
I cannot get a WAN IP address from the ISP:
1. Ensure that all other devices connected to the same telephone line as your router (e.g.
telephones, fax machines, analogue modems) have a line filter connected between them
and the wall socket (unless your are using a Central Splitter or Central Filter installed by
the qualified and licensed electrician), and ensure that all line filters are correctly installed
and right way around;
2. Missing line filters or line filters installed the wrong way around can cause problems with
your ADSL connection, including causing frequent disconnects.
Frequent loss of ADSL line sync (disconnections):
1. The ISP provides the WAN IP address after authenticating you. Authentication may be
through the user name and password, the MAC address or the host name;
2. The username and password apply to PPPoE and PPPoA connections only. Make sure
that you have entered the correct Service Name, Username and Password (be sure to
use the correct casing).
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