Chapter 16
| Loopback Detection Commands
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Command Usage
â—† When the loopback detection mode is changed, any ports placed in shutdown
state by the loopback detection process will be immediately restored to
operation regardless of the remaining recover time.
â—† If the recovery time is set to zero, all ports placed in shutdown state can be
restored to operation using the loopback-detection release command. To
restore a specific port, use the no shutdown command.
Example
Console(config)#loopback-detection recover-time 120
Console(config-if)#
loopback-detection
transmit-interval
This command specifies the interval at which to transmit loopback detection
control frames. Use the no form to restore the default setting.
Syntax
loopback-detection transmit-interval
seconds
no
loopback-detection transmit-interval
seconds
- The transmission interval for loopback detection control frames.
(Range: 1-32767 seconds)
Default Setting
10 seconds
Command Mode
Global Configuration
Example
Console(config)#loopback-detection transmit-interval 60
Console(config)#
loopback detection
trap
This command sends a trap when a loopback condition is detected, or when the
switch recovers from a loopback condition. Use the no form to restore the default
state.
Syntax
loopback-detection trap [both | detect | none | recover]
no loopback-detection trap
both
- Sends an SNMP trap message when a loopback condition is
detected, or when the switch recovers from a loopback condition.