User manual

4200 User Manual Edgewater Networks, Inc.
Version 2.2 36
“autonegotiation". If the link rate is set manually, ensure that the device at the far
end of the connection can communicate at the desired rate. Incompatible rates can
cause a loss of communication with the 4200.
Interface Information
The specific status and configuration information for the system interfaces is
displayed in the Interface Information section.
The interface statistics can point to areas of congestion in the network. If the errors
statistic is a few percent or more of the total packets sent it may be an indication of
excessive congestion on the network interface. If the congestion is not corrected the
quality of voice calls will be affected. The topology of the network attached to the
network interface with the errors should be examined and modified to better
segment and isolate network traffic.
Viewing Advanced System Information
To view advanced system information for the
4200 proceed to the System Information page
as follows:
A. Select System.
B. Select System Overview.
C. Select System Information.
The following system information is displayed:
System Uptime
System Uptime displays the current time, the
amount of time elapsed since the last system
reboot, and the system load averages for the
past 1, 5, and 15 minutes. Uptime can help trace when a power outage may have
interrupted service. Load averages that remain greater than 2 indicate excessive
system loading. Partitioning voice traffic using a second system may be required.
Process Information
Displays the active processes in the 4200.
Memory Usage
Displays detailed memory allocation information that may be of use to technical
support.
System Logging Messages
Displays information logged during system boot and normal operation. Logging
messages may indicate unauthorized attempts to access the 4200, process restart
messages, and excessive resource utilization messages.
Passive Voice Call Monitoring
The 4200 monitors live voice calls and performs objective speech quality
assessment. This information enables the network operator to assess voice quality
for the purposes of SLA tracking or problem isolation. Mean Opinion Score (MOS)
results for RTP streams in both directions of a VoIP call are calculated at call