
Chapter 14
| Loopback Detection Commands
– 424 –
loopback-detection
This command enables loopback detection globally on the switch or on a specified
interface. Use the
no
form to disable loopback detection.
Syntax
[
no
]
loopback-detection
Default Setting
Disabled
Command Mode
Global Configuration
Interface Configuration (Ethernet, Port Channel)
Command Usage
Loopback detection must be enabled globally for the switch by this command and
enabled for a specific interface for this function to take effect.
Example
This example enables general loopback detection on the switch, disables loopback
detection provided for the spanning tree protocol on port 1, and then enables
general loopback detection for that port.
Console(config)#loopback-detection
Console(config)#interface ethernet 1/1
Console(config-if)#no spanning-tree loopback-detection
Console(config-if)#loopback-detection
Console(config)#
loopback-detection
action
This command specifies the protective action the switch takes when a loopback
condition is detected. Use the
no
form to restore the default setting.
Syntax
loopback-detection action
{
block
|
none
|
shutdown
}
no loopback-detection action
block
- When a loopback is detected on a port which a member of a
specific VLAN, packets belonging to that VLAN are dropped at the
offending port.
none
- No action is taken.
shutdown
- Shuts down the interface.
Default Setting
Shutdown
Command Mode
Global Configuration
Содержание AS5700-54X
Страница 42: ...Contents 42...
Страница 44: ...Figures 44...
Страница 52: ...Tables 52...
Страница 54: ...Section I Getting Started 54...
Страница 80: ...Chapter 1 Initial Switch Configuration Setting the System Clock 80...
Страница 210: ...Chapter 6 Remote Monitoring Commands 210...
Страница 358: ...Chapter 9 Access Control Lists ACL Information 358...
Страница 418: ...Chapter 12 Port Mirroring Commands RSPAN Mirroring Commands 418...
Страница 436: ...Chapter 15 UniDirectional Link Detection Commands 436...
Страница 442: ...Chapter 16 Address Table Commands 442...
Страница 506: ...Chapter 18 VLAN Commands Configuring VXLAN Tunneling 506...
Страница 526: ...Chapter 19 Class of Service Commands Priority Commands Layer 3 and 4 526...
Страница 544: ...Chapter 20 Quality of Service Commands 544...
Страница 652: ...Chapter 22 Multicast Filtering Commands MLD Proxy Routing 652...
Страница 680: ...Chapter 23 LLDP Commands 680...
Страница 722: ...Chapter 24 CFM Commands Delay Measure Operations 722...
Страница 732: ...Chapter 25 Domain Name Service Commands 732...
Страница 790: ...Chapter 27 IP Interface Commands ND Snooping 790...
Страница 1072: ...Section III Appendices 1072...
Страница 1090: ...Glossary 1090 XModem A protocol used to transfer files between devices Data is grouped in 128 byte blocks and error corrected...
Страница 1102: ...List of CLI Commands 1102...
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