Chapter 16
| Loopback Detection Commands
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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.
detect
- Sends an SNMP trap message when a loopback condition is
detected.
none
- Does not send an SNMP trap for loopback detection or recovery.
recover
- Sends an SNMP trap message when the switch recovers from a
loopback condition.
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