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Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
■Flow control can eliminate frame loss by “blocking” traffic from end stations or segments connected directly to the switch when its buffers fill. When enabled, back pressure is used for
■To force flow control on or off (with the flowcontrol or no flowcontrol command), use the no negotiation command to disable
■When using the negotiation command to enable
■Avoid using flow control on a port connected to a hub unless it is actually required to solve a problem. Otherwise back pressure jamming signals may degrade overall performance for the segment attached to the hub.
Example
The following example enables flow control on port NETP7.
Console(config)#interface ethernet NETP7
Related Commands
negotiation
capabilities (flowcontrol, symmetric)