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Interface Commands
4-159
4
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 (4-157)
speed-duplex (4-156)
flowcontrol (4-159)
flowcontrol
This command enables flow control. Use the
no
form to disable flow control.
Syntax
[
no
]
flowcontrol
Default Setting
Disabled
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 802.3-2005
(formally IEEE 802.3x) for full-duplex operation.
• To force flow control on or off (with the
flowcontrol
or
no flowcontrol
command), use the
no negotiation
command to disable auto-negotiation on
the selected interface.
• When using the
negotiation
command to enable auto-negotiation, the
optimal settings will be determined by the
capabilities
command. To enable
flow control under auto-negotiation, “flowcontrol” must be included in the
capabilities list for any port
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 8126PL2-F
Page 1: ...MANAGEMENT GUIDE ta TigerSwitchTM 10 100 1000 L2 Lite SMB PoE Gigabit Switch SMC8126PL2 F ...
Page 2: ......
Page 6: ...vi ...
Page 22: ...Contents xxii ...
Page 26: ...Tables xxvi ...
Page 48: ...Initial Configuration 2 10 2 ...
Page 117: ...User Authentication 3 69 3 Web Click Security AAA Summary Figure 3 43 AAA Accounting Summary ...
Page 590: ...Command Line Interface 4 302 4 ...
Page 604: ...Glossary Glossary 8 ...
Page 612: ...Index 8 Index ...
Page 613: ......
Page 614: ...149100000023A R01 SMC8126PL2 F ...