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Setting Ethernet Port Parameters Configuring Ethernet Ports
page 1-14 OmniSwitch 6600 Family Network Configuration Guide April 2006
Setting Flow Control
The flow command can be used to enable or disable (the default) flow control on a specific port, a range of
ports, or all ports on an entire switch (slot). When the buffers on a receiving device are full, flow control
transmits pause frames to the remote link partner to delay transmission. The local port can delay transmis-
sion of data if the remote link partner transmits a pause frame.
Note. If auto-negotiation is implemented and enabled for the interface, the pause mode for this interface is
determined by auto-negotiation.
Enabling Flow Control
To enable flow control on an entire switch, enter flow followed by the slot number. For example, to enable
flow control on slot 2 enter:
-> flow 2
To enable flow control on a single port, enter flow followed by the slot number, a slash (/), and the port
number. For example, to enable flow control on port 3 on slot 2 enter:
-> flow 2/3
To enable flow control on a range of ports, enter flow followed by the slot number, a slash (/), the first port
number, a hyphen, and the last port number. For example, to enable flow control on ports 1 through 3 on
slot 2 enter:
-> flow 2/1-3
As an option, you can document the interface type by entering ethernet, fastethernet, or gigaethernet
before the slot number. For example to enable flow control on the interface on slot 2 port 3 and document
the interface type as Fast Ethernet enter:
-> flow fastethernet 2/3
Disabling Flow Control
To disable flow control on an entire switch, enter no flow followed by the slot number. For example, to
disable flow control on slot 2 enter:
-> no flow 2
To disable flow control on a single port, enter no flow followed by the slot number, a slash (/), and the
port number. For example, to disable flow control on port 3 on slot 2 enter:
-> no flow 2/3
To disable flow control on a range of ports, enter no flow followed by the slot number, a slash (/), the first
port number, a hyphen, and the last port number. For example, to disable flow control on ports 1 through 3
on slot 2 enter:
-> no flow 2/1-3