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AT-9000 Switch Command Line User’s Guide
177
partner. If it is off, a port does not respond to pause packets and continues
to transmit packets. At the default setting, the receive portion of flow
control is off.
The SEND parameter determines whether a port sends pause packets
when it experiences traffic congestion. If send is on, a port sends pause
packets to signal its link partner of the condition and to stop the
transmission of more packets. If send is off, a port does not send pause
packets during periods of traffic congestion. At the default setting, the
send portion of flow control is off.
To configure flow control on a port, you must disable Auto-Negotiation and
set the speed and duplex mode manually. A port set to Auto-Negotiation
always uses flow control when operating in full-duplex mode.
Confirmation Command
“SHOW FLOWCONTROL INTERFACE” on page 191
Examples
This example configures port 19 to 100 Mbps, full-duplex mode, with both
the send and receive parts of flow control enabled:
awplus> enable
awplus# configure terminal
awplus(config)# interface port1.0.19
awplus(config-if)# speed 100
awplus(config-if)# duplex full
awplus(config-if)# flowcontrol send on
awplus(config-if)# flowcontrol receive on
This example configures ports 18 to 21 and 24 to 10 Mbps, full-duplex
mode, with both the send and receive portions of flow control disabled.
The ports will neither respond to pause packets from their link partners by
ceasing transmission nor will they issue pause packets during periods of
traffic congestion:
awplus> enable
awplus# configure terminal
awplus(config)# interface port1.0.18-port1.0.21,port1.0.24
awplus(config-if)# speed 10
awplus(config-if)# duplex full
awplus(config-if)# flowcontrol receive off
awplus(config-if)# flowcontrol send off