SignaMax SC30010, Справочное руководство CLI

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Chapter 15
| Loopback Detection Commands
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Command Usage
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When a port receives a control frame sent by itself, this means that the
port is in looped state, and the VLAN in the frame payload is also in looped
state with the wrong VLAN tag. The looped port is therefore shut down.
◆
Use the loopback-detection recover-time command to set the time to wait
before re-enabling an interface shut down by the loopback detection
process.
◆
When the loopback detection response 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.
Example
This example sets the loopback detection mode to shut down user traffic.
Console(config)#loopback-detection action shutdown
Console(config)#
loopback-detection
recover-time
This command specifies the interval to wait before the switch automatically
releases an interface from shutdown state. Use the
no form to restore the
default setting.
Syntax
loopback-detection recover-time seconds
no loopback-detection recover-time
seconds - Recovery time from shutdown state.
(Range: 60-1,000,000 seconds, or 0 to disable automatic recovery)
Default Setting
60 seconds
Command Mode
Global Configuration
Command Usage
◆
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.
◆
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.