Flowcontrol - Cisco 4500M Command Reference Manual

flowcontrol

flowcontrol
To configure a Gigabit Ethernet interface to send or receive pause frames, use the flowcontrol command.
To disable the flow control setting, use the no form of this command.
Syntax Description
receive
send
off
on
desired
Defaults
The default settings for Gigabit Ethernet interfaces are as follows:
•
•
•
•
Table2-4
Table2-4
Module
All modules except
WS-X4418-GB,
WS-X4412-2GB-TX, and
WS-X4416-2GB-TX
WS-X4418-GB
WS-X4418-GB
WS-X4412-2GB-TX
WS-X4412-2GB-TX
WS-X4416-2GB-TX
Command Modes
Interface configuration
Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
2-100
flowcontrol {receive | send} {off | on | desired}
no flowcontrol {receive | send} {off | on | desired }
Specifies that the interface processes pause frames.
Specifies that the interface sends pause frames.
Prevents a local port from receiving and processing pause frames from remote ports or
from sending pause frames to remote ports.
Enables a local port to receive and process pause frames from remote ports or send
pause frames to remote ports.
Obtains predictable results whether a remote port is set to on, off, or desired.
Sending pause frames is desired—Gigabit Ethernet interfaces.
Receiving pause frames is off—Gigabit Ethernet interfaces.
Sending pause frames is on—oversubscribed Gigabit Ethernet interfaces.
Receiving pause frames is desired—oversubscribed Gigabit Ethernet interfaces
shows the default settings for modules:
Default Module Settings
Chapter2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Ports
All ports except for the
oversubscribed ports (1–18)
Uplink ports (1–2)
Oversubscribed ports (3–18) Yes
Uplink ports (13–14)
Oversubscribed ports (1–12) Yes
Uplink ports (17–18)
Send
No
No
No
No
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