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C
OMMAND
L
INE
I
NTERFACE
4-148
Command Usage
When auto-negotiation is enabled with the
negotiation
command, the
switch will negotiate the best settings for a link based on the
capabilites
command. When auto-negotiation is disabled, you must
manually specify the link attributes with the
speed-duplex
and
flowcontrol
commands.
Example
The following example configures Ethernet port 5 capabilities to 100half,
100full and flow control.
Related Commands
negotiation (4 -146)
speed-duplex (4 -145)
flowcontrol (4 -148)
flowcontrol
This command enables flow control. Use the
no
form to disable flow
control.
Syntax
[
no
]
flowcontrol
Default Setting
Enabled
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 half-duplex operation and
IEEE 802.3x for full-duplex operation.
Console(config)#interface ethernet 1/5
Console(config-if)#capabilities 100half
Console(config-if)#capabilities 100full
Console(config-if)#capabilities flowcontrol
Console(config-if)#
Summary of Contents for 6128L2
Page 2: ......
Page 21: ...CONTENTS xvii Glossary Index ...
Page 22: ...CONTENTS xviii ...
Page 26: ...TABLES xxii ...
Page 40: ...INTRODUCTION 1 10 ...
Page 54: ...INITIAL CONFIGURATION 2 14 ...
Page 193: ...PORT CONFIGURATION 3 139 Figure 3 61 Displaying Etherlike and RMON Statistics ...
Page 257: ...QUALITY OF SERVICE 3 203 Figure 3 90 Configuring Policy Maps ...
Page 313: ...COMMAND GROUPS 4 13 PE Privileged Exec VC VLAN Database Configuration ...
Page 592: ...TROUBLESHOOTING B 4 ...
Page 605: ......