Avaya P580 - Manual (Page 199)

Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, v5.3.1 5-19
Configuring Port Parameters
11. Select one of the following from the Flow Control Mode
field pull-down menu:
Enable – Sets flow control to prevent buffer overflows.
Disable – Disables flow control when it is causing
congestion in other areas of the network.
Enable (with Aggressive Backoff) – Limits the size of
flow control burst on TX and FX ports.
12. Select Enable from the Auto Negotiation Mode field
pull-down menu to enable Auto Negotiation.
* Note: This feature is only available for 10/100 TX
modules.
Auto Negotiation works best when the port or
device on the other end of the connection
is also set to Auto Negotiation. If you are having
problems with Auto Negotiating connections,
manually set the modes using the CLI. See the
Command Reference Guide for the Avaya P550R,
P580, P880, and P882 Multiservice Switches, Version
5.3 for more information.
13. Select a speed from the Auto Negotiation Speed
Advertisement pull- down menu. The options are 10Mbps,
100Mbps. or 10/100Mbps.
14. Select a duplex option from the Autonegotiation Duplex
Advertisement field pull-down menu. The options are
Full/Half Duplex and Half Duplex).
* Note: The Speed and Duplex features are only
available for 10/100 TX modules.
The switch sends the Speed and Duplex
advertisement values to the device on the other
end of the connection at the start of the auto-
negotiating process. In general, the defaults are
best, but there may be situations when you
want to fix one setting, but allow the other
setting to auto-negotiate.
15. Select one of the following from the Flood Rate Limit
Mode pull-down menu:
Enable – If you want this port to limit the number of
unknown unicast and multicast (flooded) packets it tries to
forward