Qtech QSW-8200-28T-AC — команды для функции обнаружения петли на порту [25/85]
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User Manual
Chapter 3. Commands for Port Loopback Detection Function 25
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3.5 loopback-detection specified-vlan
Command: loopback-detection specified-vlan <vlan-list>
no loopback-detection specified-vlan [<vlan-list>]
Function: Enable the function of loopback detection on the port and specify the VLAN
to be checked; the no operation of this command will disable the function of detecting
loopbacks through this port or the specified VLAN.
Parameters: <vlan-list> the list of VLANs allowed passing through the port. Given the
situation of a trunk port, the specified VLANs can be checked. So this command is used
to set the vlan list to be checked.
Default: Disable the function of detecting the loopbacks through the port.
Command Mode: Port Mode.
Usage Guide: If a port can be a TRUNK port of multiple Vlans, the detection of
loopbacks can be implemented on the basis of port+Vlan, which means the objects of
the detection can be the specified Vlans on a port. If the port is an ACCESS port, only
one Vlan on the port is allowed to be checked despite the fact that multiple Vlans can
be configured. This function is not supported under Port-channel.
Example: Enable the function of loopback detection under port 1/0/2 mode.
Switch(config)#interface ethernet 1/0/2
Switch(Config-If-Ethernet1/0/2)#switchport mode trunk
Switch(Config-If-Ethernet1/0/2)#switchport trunk allowed vlan all
Switch(Config-If-Ethernet1/0/2)#loopback-detection specified-vlan 1;3;5-20
Switch(Config-If-Ethernet1/0/2)#no loopback-detection specified-vlan 1;3;5-20
3.6 show loopback-detection
Command: show loopback-detection [interface <interface-list>]
Function: Display the state of loopback detection on all ports if no parameter is
provided, or the state and result of the specified ports according to the parameters.
Parameters: <interface-list> the list of ports to be displayed, for example: ethernet
1/0/1.
Command Mode: Admin and Configuration Mode.
Usage Guide: Display the state and result of loopback detection on ports with this
command.
Example: Display the state of loopback detection on port 4.
Switch(config)#show loopback-detection interface Ethernet 1/0/4
loopback detection config and state information in the switch!
PortName Loopback Detection Control Mode Is Controlled
Ethernet1/0/4 Enable Shutdown No
Содержание
- Chapter 1 commands for network port configuration 7 p.2
- Show isolate port group 21 p.2
- Chapter 2 commands for port isolation function 20 p.2
- Loopback detection specified vlan 25 p.2
- Loopback detection interval time 24 p.2
- Loopback detection control recovery timeout 24 p.2
- Loopback detection control 23 p.2
- Isolate port group switchport interface 20 p.2
- Isolate port group 20 p.2
- Isolate port apply 21 p.2
- Debug loopback detection 23 p.2
- Content p.2
- Commands for ethernet port configuration 7 p.2
- Chapter 3 commands for port loopback detection function 23 p.2
- Show loopback detection 25 p.2
- Configuration p.7
- Commands for ethernet port configuration p.7
- Chapter 1 commands for network port p.7
- Isolate port group switchport interface p.20
- Isolate port group p.20
- Chapter 2 commands for port isolation function p.20
- Show isolate port group p.21
- Isolate port apply p.21
- Loopback detection control p.23
- Function p.23
- Debug loopback detection p.23
- Chapter 3 commands for port loopback detection p.23
- Loopback detection interval time p.24
- Loopback detection control recovery timeout p.24
- Show loopback detection p.25
- Loopback detection specified vlan p.25
- Debug uldp event p.26
- Debug uldp error p.26
- Debug uldp p.26
- Chapter 4 commands for uldp p.26
- Debug uldp packet p.27
- Debug uldp interface ethernet p.27
- Debug uldp fsm interface ethernet p.27
- Uldp enable p.28
- Uldp aggressive mode p.28
- Uldp manual shutdown p.29
- Uldp hello interval p.29
- Uldp disable p.29
- Uldp reset p.30
- Uldp recovery time p.30
- Show uldp p.30
- Debug lldp packets p.32
- Debug lldp p.32
- Clear lldp remote table p.32
- Chapter 5 commands for lldp function p.32
- Lldp mode p.33
- Lldp enable port p.33
- Lldp enable p.33
- Lldp notification interval p.34
- Lldp neighbors max num p.34
- Lldp msgtxhold p.34
- Lldp transmit optional tlv p.35
- Lldp transmit delay p.35
- Lldp toomanyneighbors p.35
- Lldp tx interval p.36
- Lldp trap p.36
- Show debugging lldp p.37
- Show lldp p.37
- Show lldp neighbors interface ethernet p.38
- Show lldp interface ethernet p.38
- Show lldp traffic p.39
- Interface port channel p.40
- Debug port channel p.40
- Chapter 6 commands for port channel p.40
- Lacp timeout p.41
- Lacp system priority p.41
- Lacp port priority p.41
- Port group mode p.42
- Port group p.42
- Load balance p.42
- Show port group p.43
- Chapter 7 commands for mtu p.45
- Chapter 8 commands for efm oam p.46
- Debug ethernet oam fsm p.46
- Debug ethernet oam error p.46
- Clear ethernet oam p.46
- Ethernet oam p.47
- Debug ethernet oam timer p.47
- Debug ethernet oam packet p.47
- Ethernet oam errored frame threshold low p.48
- Ethernet oam errored frame threshold high p.48
- Ethernet oam errored frame window p.49
- Ethernet oam errored frame period threshold low p.49
- Ethernet oam errored frame period threshold high p.49
- Ethernet oam errored frame seconds threshold high p.50
- Ethernet oam errored frame period window p.50
- Ethernet oam errored frame seconds window p.51
- Ethernet oam errored frame seconds threshold low p.51
- Ethernet oam errored symbol period threshold high p.52
- Ethernet oam errored symbol period threshold low p.52
- Ethernet oam link monitor p.53
- Ethernet oam errored symbol period window p.53
- Ethernet oam remote failure p.54
- Ethernet oam period p.54
- Ethernet oam mode p.54
- Ethernet oam remote loopback supported p.55
- Ethernet oam remote loopback p.55
- Show ethernet oam p.56
- Ethernet oam timeout p.56
- Show ethernet oam events p.61
- Show ethernet oam link events configuration p.64
- Show ethernet oam loopback status p.65
- Bpdu tunnel stp p.67
- Bpdu tunnel gvrp p.67
- Bpdu tunnel dmac p.67
- Chapter 9 commands for bpdu tunnel p.67
- Bpdu tunnel uldp p.68
- Bpdu tunnel lacp p.68
- Bpdu tunnel dot1x p.68
- Description language province state city county street locationnum location floor room postal otherinfo p.70
- Civic location p.70
- Chapter 10 commands for lldp med p.70
- Lldp med fast count p.71
- Ecs location p.71
- Lldp transmit med tlv capability p.72
- Lldp transmit med tlv all p.72
- Lldp med trap p.72
- Lldp transmit med tlv inventory p.73
- Lldp transmit med tlv extendpoe p.73
- Network policy p.74
- Lldp transmit med tlv networkpolicy p.74
- Show lldp p.75
- Show lldp neighbors p.77
- Clear port security p.78
- Switchport port security p.78
- Show port security p.78
- Chapter 11 commands for port security p.78
- Switchport port security mac address p.79
- Switchport port security aging p.79
- Switchport port security maximum p.80
- Switchport port security mac address sticky p.80
- Switchport port security violation p.81
- Show transceiver p.82
- Debug transceiver p.82
- Clear transceiver threshold violation p.82
- Chapter 12 commands for ddm p.82
- Show transceiver threshold violation p.83
- Transceiver monitoring p.83
- Transceiver threshold p.84
- Transceiver monitoring interval p.84
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Изучите команды для настройки функции обнаружения петли на порту, включая управление VLAN и отображение состояния. Подробные примеры и руководство по использованию.