Polycom V2IU Converged Network Appliance 6400-S - Manual (Page 28)

User Guide V 2 IU 6400-S Converged Network Appliance
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If needed, configure the rate of the physical Ethernet port on the 6400-S. The
default setting for the Ethernet port is autonegotiate, and it applies to both the
link speed and duplex with locally attached devices.
The link rate of an interface can be assigned to a desired rate. A network
administrator may want to set the rate manually if autonegotiation fails to
select a rate consistently or if it selects a rate that is slower than the maximum
rate supported by both interfaces.
To set the link rate:
1. In the navigation bar, select System.
2. In the System menu, select Set Link.
3. Select Subscriber Ethernet or Provider Ethernet.
4. Select the appropriate link rate for your Ethernet network (Note: If you
set either 6400-S interfaces to 100FD, be sure you set the device at the
other end of the line to 100FD also.):
Note The vast majority of Ethernet networking devices including the 6400-S use
"autonegotiate" as a default setting. Chances are that you will not have to set the
Ethernet link rate. Please use caution if manually configuring the link rate, as a
speed or duplex mismatch will result in a loss of connectivity.