Routers Administrator's Handbook

Administrator’s Handbook
54
Statistics
When you click Statistics in the left hand column of links, the links bar expands to display six statisti-
cal sub-headings:
❑“DSL” on page 54
❑“ATM” on page 55
❑“Ethernet” on page 55
❑“IP” on page 55
❑“LAN” on page 55
❑“Wireless” on page 56
❑“Logs” on page 56
These screens will vary depending on your Gateway’s model and traffic activity.
☛ Note:
Available Statistics links vary by platform.
DSL
When you click DSL, the DSL Statistics page appears.
The DSL Statistics page displays information about the Gateway's WAN connection to the Internet.
❑ Line State: May be Up (connected) or Down (disconnected).
❑ Modulation: Method of regulating the DSL signal. DMT (Discrete MultiTone) allows connections to
work better when certain radio transmitters are present.
❑ Data Path: Type of path used by the device's processor.
Downstream and Upstream statistics
❑ Max Allowed Speed (kbps): Your maximum speeds for downloading (receiving) and uploading
(sending) data on the DSL line, in kilobits per second.
❑ SN Margin (db): Signal to noise margin, in decibels. Reflects the amount of unwanted “noise” on
the DSL line.
❑ Line Attenuation: Amount of reduction in signal strength on the DSL line, in decibels.
❑ CRC Errors: Number of times data packets have had to be resent due to errors in transmission or
reception.