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User Guide V
2
IU 6400-S Converged Network Appliance
3 - 6
Link Status
Link Status displays the status of the Ethernet connections. Ethernet auto
negotiation is often unreliable, especially between different vendors or old and
new networking equipment. Failure of auto negotiation is generally not a
cause for concern. However, if the negotiated rates change intermittently, or
the link is down or there is no link, the link rate may need to be set manually
on the Set Link Rate page. Intermittent data and voice outages may be caused
by auto negotiation "flutter". Setting the link rate manually is recommended
and ensures that the device at the far end of the connection will not renegotiate
rates during VoIP operation.
Interface Information
The specific status and configuration information for the system interfaces is
displayed in the Interface Information section. The MAC address of interface
eth0 is needed to retrieve the VoIP ALG License Key if the license information
is lost.
The interface statistics can point to areas of congestion in the network. If the
errors statistic increase during normal operation of the device, 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. See Link Status on
page 3-6.
Getting information about the system
You can view a variety of information about the network from System
Information in the System menu. System Information displays detailed
information regarding the operating system running on the 6400-S. Customer
support may ask you to examine or forward this information when
troubleshooting problems with the 6400-S.
To view system information:
1. In the navigation bar, select System.