Cisco Catalyst 3550 User Manual

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-01
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
show flowcontrol
show flowcontrol
Use the show flowcontrol user EXEC command to display the flow control status and statistics.
show flowcontrol [interface interface-id | module module-number] [ | {begin | exclude | include}
expression]
Syntax Description
Command Modes User EXEC
Command History
Usage Guidelines Use this command to display the flow control status and statistics on the switch or about a specific
interface.
Use the show flowcontrol command to display information about all the switch interfaces. The output
from the show flowcontrol command is the same as the output from the show flowcontrol module
module-number command.
Use the show flowcontrol interface interface-id command to display information about the Gigabit
Ethernet interfaces on the switch.
Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
Examples This is an example of output from the show flowcontrol command:
Switch> show flowcontrol
Port Send FlowControl Receive FlowControl RxPause TxPause
admin oper admin oper
--------- -------- -------- -------- -------- ------- -------
Gi0/1 Unsupp. Unsupp. off off 0 0
Gi0/2 desired off off off 0 0
<output truncated>
This is an example of output from the show flowcontrol interface interface-id command:
Switch> show flowcontrol gigabitethernet0/2
Port Send FlowControl Receive FlowControl RxPause TxPause
interface interface-id (Optional) Display the flow control status and statistics for a specific
interface.
module module-number (Optional) Display the flow control status and statistics for all interfaces. The
only valid module-slot value is 0.
| begin (Optional) Display begins with the line that matches the expression.
| exclude (Optional) Display excludes lines that match the expression.
| include (Optional) Display includes lines that match the specified expression.
expression Expression in the output to use as a reference point.
Release Modification
12.1(14)EA1 This command was introduced.

Cisco Catalyst 3550 Specifications

General

Category	Switch
QoS	Yes
Form Factor	Rack-mountable
Manageable	Yes
RAM	64 MB
Model	Catalyst 3550
Uplink Ports	2 x GBIC (Gigabit Interface Converter) or SFP (Small Form-factor Pluggable)
Layer Support	Layer 3
VLAN Support	Yes
MAC Address Table Size	12000 entries
Routing Protocol	EIGRP
Features	QoS
Operating Temperature	32 to 113°F (0 to 45°C)
Operating Humidity	10 - 95% (non-condensing)
Ports	24 or 48 10/100 ports