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8-24 User Guide for the Avaya P580 and P882 Multiservice Switches, v6.1
Chapter 8
10. Select a duplex mode (half-duplex or full-duplex) from the Duplex
Mode field pull-down menu if you want to manually set the port’s
duplex mode. You do not have to select a duplex mode if you set the
port to autonegotiate.
11. In the Flow Control Mode field, select one of the following options:
Enable – Sets the port to both send and receive pause signals. This
setting prevents buffer overflows on both local and remote port.
Disable – Sets the port to neither send or receive pause signals. Use this
setting when flow control 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.
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.