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01-Ethernet OAM commands | 226.75 KB |
Contents
oam errored-frame-period threshold
oam errored-frame-period window
oam errored-frame-seconds threshold
oam errored-frame-seconds window
oam errored-symbol-period threshold
oam errored-symbol-period window
oam global errored-frame threshold
oam global errored-frame window
oam global errored-frame-period threshold
oam global errored-frame-period window
oam global errored-frame-seconds threshold
oam global errored-frame-seconds window
oam global errored-symbol-period threshold
oam global errored-symbol-period window
oam remote-loopback reject-request
Ethernet OAM commands
display oam
Use display oam to display Ethernet OAM connection information.
Syntax
display oam { local | remote } [ interface interface-type interface-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
local: Specifies the local end.
remote: Specifies the remote end.
interface interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, the command displays Ethernet OAM connection information for all interfaces.
Examples
# Display Ethernet OAM connection information for all local interfaces.
<Sysname> display oam local
----------- [Ten-GigabitEthernet3/1/1] -----------
Enable status : Enable
Loopback status : No loopback
Link status : UP
OAM mode : Active
PDU : ANY
Mux action : FWD
Par action : FWD
# Display Ethernet OAM connection information for the local interface Ten-GigabitEthernet 3/1/1.
<Sysname> display oam local interface ten-gigabitethernet 3/1/1
Enable status : Enable
Loopback status : No loopback
Link status : UP
OAM mode : Active
PDU : ANY
Mux action : FWD
Par action : FWD
Flags
Link fault : Not occurred
Dying gasp : Not occurred
Critical event : Not occurred
Local evaluating : COMPLETE
Remote evaluating : COMPLETE
Packets statistics
Packet type Sent Received
-----------------------------------------------------------------
OAMPDU 100 80
OAMInformation 64 60
OAMEventNotification 36 20
OAMUniqueEventNotification 36 10
OAMDuplicateEventNotification 0 10
Table 1 Command output
Field |
Description |
Ten-GigabitEthernet3/1/1 |
Information on Ten-GigabitEthernet 3/1/1. |
Enable status |
Ethernet OAM state: · Enable. · Disable. |
Loopback status |
Ethernet OAM loopback state: · No loopback—Remote loopback is disabled. · Remote loopback—Controlling end of remote loopback. · Local loopback—Controlled end of remote loopback. |
Link status |
Link physical state: · UP · DOWN. |
OAM mode |
Local Ethernet OAM mode: · Active—The interface operates in active Ethernet OAM mode. · Passive—The interface operates in passive Ethernet OAM mode. |
PDU |
The way in which the local end processes Ethernet OAMPDUs: · RX_INFO—The interface receives only Information OAMPDUs and does not send any Ethernet OAMPDUs. · LF_INFO—The interface sends only Information OAMPDUs without Information TLV triplets and with their link error flag bits being set. · INFO—The interface sends and receives only Information OAMPDUs. · ANY—The interface sends and receives Ethernet OAMPDUs of any type. |
Mux action |
Operating mode of the local transmitter: · FWD—The interface can send any packets. · DISCARD—The interface only sends Ethernet OAMPDUs. |
Par action |
Operating mode of the local receiver: · FWD—The interface can receive any packets. · DISCARD—The interface only receives Ethernet OAMPDUs. · LB—The local receiver is in loopback state. All the packets, other than Ethernet OAMPDUs, received on the local receiver are returned to their sources along their original routes. |
Flags |
Local flags inserted in the local flag fields of the sent Ethernet OAMPDUs. |
Link fault |
Indicates whether an Ethernet OAM link error is present. |
Dying gasp |
Indicates whether a fatal error is present. |
Critical event |
Indicates whether a critical error is present. |
Local evaluating |
Indicates whether the local-to-remote configuration negotiation is complete: · COMPLETE—The negotiation is completed. · NOTCOMPLETE—The negotiation is uncompleted. |
Remote evaluating |
Indicates whether the remote-to-local configuration negotiation is complete: · COMPLETE—The negotiation is completed. · NOTCOMPLETE—The negotiation is uncompleted. · RESERVED—The field is reserved and the negotiation is uncompleted. · UNSATISFIED—The remote end is not satisfied with the local configuration and the negotiation is uncompleted. |
Packets statistics |
Statistics about Ethernet OAMPDUs. |
OAMPDU |
Total number of sent or received Ethernet OAMPDUs. |
OAMInformation |
Number of sent or received Information OAMPDUs. |
OAMEventNotification |
Number of sent or received Event notification OAMPDUs. |
OAMUniqueEventNotification |
Number of unduplicated sent or received Event notification OAMPDUs. |
OAMDuplicateEventNotification |
Number of duplicate sent or received Event notification OAMPDUs. |
# Display Ethernet OAM connection information for all remote interfaces.
<Sysname> display oam remote
----------- [Ten-GigabitEthernet3/1/1] -----------
OAM mode : Active
MAC address : 3822-d6a2-a800
MTU size : 1500
Mux action : FWD
Par action : FWD
# Display Ethernet OAM connection information for the peer interface Ten-GigabitEthernet 3/1/1.
<Sysname> display oam remote interface ten-gigabitethernet 3/1/1
OAM mode : Active
MAC address : 3822-d6a2-a800
MTU size : 1500
Mux action : FWD
Par action : FWD
Configuration
Unidirectional : Not supported
Remote loopback : Supported
Link events : Supported
MIB retrieval : Not supported
Flags
Link fault : Not occurred
Dying gasp : Not occurred
Critical event : Not occurred
Local evaluating : COMPLETE
Remote evaluating : COMPLETE
Table 2 Command output
Field |
Description |
Ten-GigabitEthernet3/1/1 |
Information on Ten-GigabitEthernet 3/1/1. |
OAM mode |
Ethernet OAM mode on the remote end: · Active—The interface operates in active Ethernet OAM mode. · Passive—The interface operates in passive Ethernet OAM mode. |
MAC address |
MAC address of the remote end. |
MTU size |
MTU size, in bytes. |
Mux action |
Operating mode of the remote transmitter: · FWD—The interface can send any packets. · DISCARD—The interface only sends Ethernet OAMPDUs. |
Par action |
Operating mode of the remote receiver: · FWD—The interface can receive any packets. · DISCARD—The interface only receives Ethernet OAMPDUs. · LB—The local receiver is in loopback state. All the packets, other than Ethernet OAMPDUs, received on the local receiver are returned to their sources along their original routes. |
Configuration |
Configuration of the remote Ethernet OAM entity. |
Unidirectional |
Indicates whether unidirectional transmission is supported. |
Remote loopback |
Indicates whether Ethernet OAM remote loopback is supported. |
Link events |
Indicates whether Ethernet OAM link error events are supported. |
MIB retrieval |
Indicates whether MIB variable retrieval is supported. |
Flags |
Values of the peer Ethernet OAM flag fields in OAM packets. |
Link fault |
Indicates whether an Ethernet OAM link error is present. |
Dying gasp |
Indicates whether a fatal error is present. |
Critical event |
Indicates whether a critical error is present. |
Local evaluating |
Indicates whether the local-to-remote configuration negotiation is complete: · COMPLETE—The negotiation is completed. · NOTCOMPLETE—The negotiation is uncompleted. · RESERVED—The field is reserved and the negotiation is uncompleted. · UNSATISFIED—The remote end is not satisfied with the local configuration and the negotiation is uncompleted. |
Remote evaluating |
Indicates whether the remote-to-local configuration negotiation is complete: · COMPLETE—The negotiation is completed. · NOTCOMPLETE—The negotiation is uncompleted. · UNSATISFIED—The remote end is not satisfied with the local configuration and the negotiation is uncompleted. |
reset oam
display oam configuration
Use display oam configuration to display Ethernet OAM configuration information.
Syntax
display oam configuration [ interface interface-type interface-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, the command displays Ethernet OAM configuration globally and for interfaces that do not use the default configuration.
Examples
# Display Ethernet OAM configuration globally and for interfaces that do not use the default configuration.
<Sysname> display oam configuration
---------------- [Global] ----------------
OAM timers
Hello timer : 1000 milliseconds
Keepalive timer : 5000 milliseconds
Link monitoring
Errored symbol period
Window : 100 x 1000000 symbols
Threshold : 1 error symbols
Errored frame
Window : 10 x 100 milliseconds
Threshold : 1 error frames
Errored frame period
Window : 1000 x 10000 frames
Threshold : 1 error frames
Errored frame seconds
Window : 600 x 100 milliseconds
Threshold : 1 error seconds
----------- [Ten-GigabitEthernet3/1/1] -----------
OAM timers
Hello timer : 500 milliseconds
Keepalive timer : 5000 milliseconds
Link monitoring
Errored symbol period
Window : 100 x 1000000 symbols
Threshold : 1 error symbols
Errored frame
Window : 10 x 100 milliseconds
Threshold : 1 error frames
Errored frame period
Window : 1000 x 10000 frames
Threshold : 1 error frames
Errored frame seconds
Window : 600 x 100 milliseconds
Threshold : 1 error seconds
Table 3 Command output
Field |
Description |
Global |
Global information. |
Ten-GigabitEthernet3/1/1 |
Information on Ten-GigabitEthernet 3/1/1. |
OAM timers |
Ethernet OAM connection detection timers. |
Hello timer |
Ethernet OAM handshake packet transmission interval. |
Keepalive timer |
Ethernet OAM connection timeout timer. |
Link monitoring |
Link event detection window and threshold. |
Errored symbol period |
Errored symbol event. |
Errored frame |
Errored frame event. |
Errored frame period |
Errored frame period event. |
Errored frame seconds |
Errored frame seconds event. |
Window |
Detection window configured for link events. |
Threshold |
Triggering threshold configured for link events. |
display oam critical-event
Use display oam critical-event to display statistics for critical Ethernet OAM link events.
Syntax
display oam critical-event [ interface interface-type interface-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, the command displays statistics for the critical Ethernet OAM link events for all interfaces.
Examples
# Display statistics for critical Ethernet OAM link events on all interfaces.
<Sysname> display oam critical-event
----------- [Ten-GigabitEthernet3/1/1] -----------
Local link status : UP
Event statistics
Link fault : Not occurred
Dying gasp : Not occurred
Critical event : Not occurred
Table 4 Command output
Field |
Description |
Ten-GigabitEthernet3/1/1 |
Information on Ten-GigabitEthernet 3/1/1. |
Local link status |
Local link status, up or down. |
Event statistics |
Statistics for critical Ethernet OAM link events. |
Link fault |
Indicates whether a link fault is present. |
Dying Gasp |
Indicates whether a fatal fault is present. |
Critical Event |
Indicates whether a critical fault is present. |
display oam link-event
Use display oam link-event to display statistics for Ethernet OAM link error events for local or peer interfaces.
Syntax
display oam link-event { local | remote } [ interface interface-type interface-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
local: Specifies the local end.
remote: Specifies the peer end.
interface interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, the command displays statistics for Ethernet OAM link error events for all local or peer interfaces.
Usage guidelines
Ethernet OAM link error events include errored symbol events, errored frame events, errored frame period events, and errored frame seconds events.
Examples
# Display statistics for Ethernet OAM link error events for all local interfaces.
<Sysname> display oam link-event local
----------- [Ten-GigabitEthernet3/1/1] -----------
Link status: UP
OAM local errored frame event
Event time stamp : 49582 x 100 milliseconds
Errored frame window : 10 x 100 milliseconds
Errored frame threshold : 1 error frames
Errored frame : 1 error frames
Error running total : 6 error frames
Event running total : 6 events
OAM local errored frame period event
Event time stamp : 16382 x 100 milliseconds
Errored frame period window : 10000000 frames
Errored frame period threshold : 1 error frames
Errored frame period : 1 error frames
Error running total : 5 error frames
Event running total : 5 events
OAM local errored frame seconds summary event
Event time stamp : 50022 x 100 milliseconds
Errored frame seconds window : 600 x 100 milliseconds
Errored frame seconds threshold : 1 error seconds
Errored frame seconds : 1 error seconds
Error running total : 1 error seconds
Event running total : 1 events
# Display statistics for Ethernet OAM link error events for all peer interfaces.
<Sysname> display oam link-event remote
----------- [Ten-GigabitEthernet3/1/1] -----------
Link status: UP
OAM remote errored symbol event
Event time stamp : 35498 x 100 milliseconds
Errored symbol window : 100000000 symbols
Errored symbol threshold : 1 error symbols
Errored symbol : 1 error symbols
Error running total : 4 error symbols
Event running total : 4 events
OAM remote errored frame event
Event time stamp : 49582 x 100 milliseconds
Errored frame window : 10 x 100 milliseconds
Errored frame threshold : 1 error frames
Errored frame : 1 error frames
Error running total : 6 error frames
Event running total : 6 events
OAM remote errored frame period event
Event time stamp : 16382 x 100 milliseconds
Errored frame period window : 10000000 frames
Errored frame period threshold : 1 error frames
Errored frame period : 1 error frames
Error running total : 5 error frames
Event running total : 5 events
OAM remote errored frame seconds summary event
Event time stamp : 50022 x 100 milliseconds
Errored frame seconds window : 600 x 100 milliseconds
Errored frame seconds threshold : 1 error seconds
Errored frame seconds : 1 error seconds
Error running total : 1 error seconds
Event running total : 1 events
Table 5 Command output
Field |
Description |
Ten-GigabitEthernet3/1/1 |
Information on Ten-GigabitEthernet 3/1/1. |
Link status |
Link status, up or down. |
OAM remote errored symbol event |
Information about remote errored symbol events (available only when remote errored symbol events occur): · Event time stamp—Time when an errored symbol event occurred. · Errored symbol window—Errored symbol detection interval. · Errored symbol threshold—Errored threshold that triggers an errored symbol event. · Errored symbol—Number of detected errored symbols in the most recent errored symbol event. · Error running total—Total number of errored symbols. · Event running total—Total number of errored symbol events that have occurred. |
OAM local/remote errored frame event |
Information about local/remote end errored frame events (available only when local/remote end errored frame events occur): · Event time stamp—Time when an errored frame event occurred. · Errored frame window—Errored frame detection interval. · Errored frame threshold—Errored threshold that triggers an errored frame event. · Errored frame—Number of detected errored frames in the most recent errored frame event. · Error running total—Total number of errored frames. · Event running total—Total number of errored frame events that have occurred. |
OAM local/remote errored frame period event |
Information about local or remote errored frame period events (available only when local/remote errored frame period events occur): · Event time stamp—Time when an errored frame period event occurred. · Errored frame period window—Errored frame period detection interval. · Errored frame period threshold—Errored threshold that triggers an errored frame period event. · Errored frame period—Number of detected errored frames in the most recent errored frame period event. · Error running total—Total number of errored frames that have detected. · Event running total—Total number of errored frame period events. |
OAM local/remote errored frame seconds summary event |
Information about local/remote end errored frame seconds events (available only when local/remote end errored frame seconds events occur): · Event time stamp—Time when an errored frame seconds event occurred. · Errored frame second window—Errored frame second detection interval. · Errored Frame seconds threshold—Errored threshold that triggers an errored frame seconds event. · Errored frame seconds—Number of detected errored frame seconds in the most recent errored frame seconds event. · Error running total—Total number of errored frame seconds. · Event running total—Total number of errored frame seconds events that have occurred. |
reset oam
oam enable
Use oam enable to enable Ethernet OAM.
Use undo oam enable to disable Ethernet OAM.
Syntax
oam enable
undo oam enable
Default
Ethernet OAM is disabled.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Examples
# Enable OAM on Ten-GigabitEthernet 3/1/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam enable
oam errored-frame threshold
Use oam errored-frame threshold to set the errored frame event triggering threshold for an interface.
Use undo oam errored-frame threshold to restore the default.
Syntax
oam errored-frame threshold threshold-value
undo oam errored-frame threshold
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
threshold-value: Specifies the errored frame event triggering threshold in number of errored frame events, in the range of 0 to 4294967295.
Usage guidelines
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the errored frame event triggering threshold to 100 on Ten-GigabitEthernet 3/1/1.
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam errored-frame threshold 100
display oam configuration
display oam link-event
oam global errored-frame threshold
oam errored-frame window
Use oam errored-frame window to set the errored frame event detection window.
Use undo oam errored-frame window to restore the default.
Syntax
oam errored-frame window window-value
undo oam errored-frame window
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
window-value: Specifies the errored frame event detection window in the range of 10 to 600, in steps of 10, in 100 milliseconds.
Usage guidelines
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the errored frame event detection window to 2000 milliseconds on Ten-GigabitEthernet 3/1/1.
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam errored-frame window 20
display oam configuration
display oam link-event
oam global errored-frame window
oam errored-frame-period threshold
Use oam errored-frame-period threshold to set the errored frame period event triggering threshold on an interface.
Use undo oam errored-frame-period threshold to restore the default.
Syntax
oam errored-frame-period threshold threshold-value
undo oam errored-frame-period threshold
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
threshold-value: Specifies the errored frame period event triggering threshold in the range of 0 to 4294967295.
Usage guidelines
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the errored frame period event triggering threshold to 100 on Ten-GigabitEthernet 3/1/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam errored-frame-period threshold 100
display oam configuration
display oam link-event
oam global errored-frame-period threshold
oam errored-frame-period window
Use oam errored-frame-period window to set the errored frame period event detection window.
Use undo oam errored-frame-period window to restore the default.
Syntax
oam errored-frame-period window window-value
undo oam errored-frame-period window
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
window-value: Specifies the errored frame period event detection window in the range of 1 to 65535. The value of this argument must be a multiple of 10000.
Usage guidelines
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the errored frame period event detection window to 20000000 on Ten-GigabitEthernet 3/1/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam errored-frame-period window 2000
Related commands
display oam configuration
display oam link-event
oam global errored-frame-period window
oam errored-frame-seconds threshold
Use oam errored-frame-seconds threshold to set the errored frame seconds event triggering threshold on an interface.
Use undo oam errored-frame-seconds threshold to restore the default.
Syntax
oam errored-frame-seconds threshold threshold-value
undo oam errored-frame-seconds threshold
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
threshold-value: Specifies the errored frame seconds event triggering threshold in the range of 0 to 900.
Usage guidelines
The value of the errored frame seconds event triggering threshold cannot be greater than the value of the errored frame seconds event detection window (in seconds). Otherwise, errored frame seconds events cannot be generated.
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the errored frame seconds event triggering threshold to 100 on Ten-GigabitEthernet 3/1/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam errored-frame-seconds threshold 100
display oam configuration
display oam link-event
oam errored-frame-seconds window
oam global errored-frame-seconds threshold
oam errored-frame-seconds window
Use oam errored-frame-seconds window to set the errored frame seconds event detection window.
Use undo oam errored-frame-seconds window to restore the default.
Syntax
oam errored-frame-seconds window window-value
undo oam errored-frame-seconds window
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
window-value: Specifies the errored frame seconds event detection window in the range of 100 to 9000, in steps of 10, in 100 milliseconds.
Usage guidelines
The value of the errored frame seconds event triggering threshold cannot be greater than the value of the errored frame seconds event detection window (in seconds). Otherwise, errored frame seconds events cannot be generated.
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the errored frame seconds event detection window to 10000 milliseconds on Ten-GigabitEthernet 3/1/1.
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam errored-frame-seconds window 100
display oam configuration
display oam link-event
oam errored-frame-seconds threshold
oam errored-frame-seconds period
oam errored-symbol-period threshold
Use oam errored-symbol-period threshold to set the errored symbol event triggering threshold.
Use undo oam errored-symbol-period threshold to restore the default.
Syntax
oam errored-symbol-period threshold threshold-value
undo oam errored-symbol-period threshold
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
threshold-value: Specifies the errored symbol event triggering threshold in the range of 0 to 4294967295.
Usage guidelines
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the errored symbol event triggering threshold to 100 on Ten-GigabitEthernet 3/1/1.
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam errored-symbol-period threshold 100
display oam configuration
display oam link-event
oam global errored-symbol-period threshold
oam errored-symbol-period window
Use oam errored-symbol-period window to set the errored symbol event detection window.
Use undo oam errored-symbol-period window to restore the default.
Syntax
oam errored-symbol-period window window-value
undo oam errored-symbol-period window
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
window-value: Specifies the errored symbol event detection window in the range of 1 to 65535. The value of this argument must be a multiple of 1000000.
Usage guidelines
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the errored symbol event detection window to 200000000 on Ten-GigabitEthernet 3/1/1.
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam errored-symbol-period window 200
display oam configuration
display oam link-event
oam global errored-symbol-period window
oam global errored-frame threshold
Use oam global errored-frame threshold to set the global errored frame event triggering threshold.
Use undo oam global errored-frame threshold to restore the default.
Syntax
oam global errored-frame threshold threshold-value
undo oam global errored-frame threshold
Default
The errored frame event triggering threshold is 1.
Views
System view
Predefined user roles
network-admin
Parameters
threshold-value: Specifies the errored frame event triggering threshold in the range of 0 to 4294967295.
Usage guidelines
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the errored frame event triggering threshold to 100.
<Sysname> system-view
[Sysname] oam global errored-frame threshold 100
Related commands
display oam configuration
display oam link-event
oam errored-frame threshold
oam global errored-frame window
Use oam global errored-frame window to set the global errored frame event detection window.
Use undo oam global errored-frame window to restore the default.
Syntax
oam global errored-frame window window-value
undo oam global errored-frame window
Default
The global errored frame event detection window is 1000 milliseconds.
Views
System view
Predefined user roles
network-admin
Parameters
window-value: Specifies the errored frame event detection window in the range of 10 to 600, in steps of 10, in 100 milliseconds.
Usage guidelines
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the errored frame event detection window to 2000 milliseconds.
<Sysname> system-view
[Sysname] oam global errored-frame window 20
Related commands
display oam configuration
display oam link-event
oam errored-frame window
oam global errored-frame-period threshold
Use oam global errored-frame-period threshold to set the global errored frame period event triggering threshold.
Use undo oam global errored-frame-period threshold to restore the default.
Syntax
oam global errored-frame-period threshold threshold-value
undo oam global errored-frame-period threshold
Default
The errored frame period event triggering threshold is 1.
Views
System view
Predefined user roles
network-admin
Parameters
threshold-value: Specifies the errored frame period event triggering threshold in the range of 0 to 4294967295.
Usage guidelines
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the errored frame period event triggering threshold to 100.
<Sysname> system-view
[Sysname] oam global errored-frame-period threshold 100
Related commands
display oam configuration
display oam link-event
oam errored-frame-period threshold
oam global errored-frame-period window
Use oam global errored-frame-period window to set the global errored frame period event detection window.
Use undo oam global errored-frame-period window to restore the default.
Syntax
oam global errored-frame-period window window-value
undo oam global errored-frame-period window
Default
The global errored frame period event detection window is 10000000.
Views
System view
Predefined user roles
network-admin
Parameters
window-value: Specifies the errored frame period event detection window in the range of 1 to 65535. The value of this argument must be a multiple of 10000.
Usage guidelines
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the errored frame period event detection window to 20000000.
<Sysname> system-view
[Sysname] oam global errored-frame-period window 2000
Related commands
display oam configuration
display oam link-event
oam errored-frame-period window
oam global errored-frame-seconds threshold
Use oam global errored-frame-seconds threshold to set the global errored frame seconds event triggering threshold.
Use undo oam global errored-frame-seconds threshold to restore the default.
Syntax
oam global errored-frame-seconds threshold threshold-value
undo oam global errored-frame-seconds threshold
Default
The global errored frame seconds event detection interval is 1.
Views
System view
Predefined user roles
network-admin
Parameters
threshold-value: Specifies the errored frame seconds event triggering threshold in the range of 0 to 900.
Usage guidelines
The value of the errored frame seconds event triggering threshold cannot be greater than the value of the errored frame seconds event detection window (in seconds). Otherwise, errored frame seconds events cannot be generated.
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the errored frame seconds event triggering threshold to 100.
<Sysname> system-view
[Sysname] oam global errored-frame-seconds threshold 100
Related commands
display oam configuration
display oam link-event
oam errored-frame-seconds threshold
oam global errored-frame-seconds window
oam global errored-frame-seconds window
Use oam global errored-frame-seconds window to set the global errored frame seconds event detection window.
Use undo oam global errored-frame-seconds window to restore the default.
Syntax
oam global errored-frame-seconds window window-value
undo oam global errored-frame-seconds window
Default
The global errored frame seconds event detection window is 60000 milliseconds.
Views
System view
Predefined user roles
network-admin
Parameters
window-value: Specifies the errored frame seconds event detection window in the range of 100 to 9000, in steps of 10, in 100 milliseconds.
Usage guidelines
The value of the errored frame seconds event triggering threshold cannot be greater than the value of the errored frame seconds event detection window (in seconds). Otherwise, errored frame seconds events cannot be generated.
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the errored frame seconds event detection window to 10000 milliseconds.
<Sysname> system-view
[Sysname] oam global errored-frame-seconds window 100
Related commands
display oam configuration
display oam link-event
oam errored-frame-seconds period
oam global errored-frame-seconds threshold
oam global errored-symbol-period threshold
Use oam global errored-symbol-period threshold to set the global errored symbol event triggering threshold.
Use undo oam global errored-symbol-period threshold to restore the default.
Syntax
oam global errored-symbol-period threshold threshold-value
undo oam global errored-symbol-period threshold
Default
The global errored symbol event triggering threshold is 1.
Views
System view
Predefined user roles
network-admin
Parameters
threshold-value: Specifies the errored symbol event triggering threshold in the range of 0 to 4294967295.
Usage guidelines
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the errored symbol event triggering threshold to 100.
<Sysname> system-view
[Sysname] oam global errored-symbol-period threshold 100
Related commands
display oam configuration
display oam link-event
oam errored-symbol-period threshold
oam global errored-symbol-period window
Use oam global errored-symbol-period window to set the global errored symbol event detection window.
Use undo oam global errored-symbol-period window to restore the default.
Syntax
oam global errored-symbol-period window window-value
undo oam global errored-symbol-period window
Default
The global errored symbol event detection window is 100000000.
Views
System view
Predefined user roles
network-admin
Parameters
window-value: Specifies the errored symbol event detection window in the range of 1 to 65535. The value of this argument must be a multiple of 1000000.
Usage guidelines
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the errored symbol event detection window to 200000000.
<Sysname> system-view
[Sysname] oam global errored-symbol-period window 200
Related commands
display oam configuration
display oam link-event
oam global errored-symbol-period window
oam global timer hello
Use oam global timer hello to configure the global Ethernet OAM handshake packet transmission interval.
Use undo oam global timer hello to restore the default.
Syntax
oam global timer hello interval
undo oam global timer hello
Default
The global Ethernet OAM handshake packet transmission interval is 1000 milliseconds.
Views
System view
Predefined user roles
network-admin
Parameters
interval: Specifies the Ethernet OAM handshake packet transmission interval, in steps of 100, in milliseconds. The value range for this argument is 100 to 5000.
Usage guidelines
After the timeout timer of an Ethernet OAM connection expires, the local OAM entity ages out and terminates its connection with the peer OAM entity. To keep the Ethernet OAM connections stable, set the connection timeout timer to be a minimum of five times the handshake packet transmission interval.
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the Ethernet OAM handshake packet transmission interval to 600 milliseconds.
<Sysname> system-view
[Sysname] oam global timer hello 600
Related commands
display oam configuration
oam timer hello
oam global timer keepalive
Use oam global timer keepalive to configure the global Ethernet OAM connection timeout timer.
Use undo oam global timer keepalive to restore the default.
Syntax
oam global timer keepalive interval
undo oam global timer keepalive
Default
The global Ethernet OAM connection timeout timer is 5000 milliseconds.
Views
System view
Predefined user roles
network-admin
Parameters
interval: Specifies the Ethernet OAM connection timeout timer, in steps of 100, in milliseconds. The value range for this argument is 200 to 25000.
Usage guidelines
After the timeout timer of an Ethernet OAM connection expires, the local OAM entity ages out and terminates its connection with the peer OAM entity. To keep the Ethernet OAM connections stable, set the connection timeout timer to be a minimum of five times the handshake packet transmission interval.
The configuration in system view takes effect on all interfaces, but has a lower precedence than the configuration in interface view.
Examples
# Set the Ethernet OAM connection timeout timer to 6000 milliseconds.
<Sysname> system-view
[Sysname] oam global timer keepalive 6000
Related commands
display oam configuration
oam timer keepalive
oam mode
Use oam mode to set the Ethernet OAM mode.
Use undo oam mode to restore the default.
Syntax
oam mode { active | passive }
undo oam mode
Default
An Ethernet OAM-enabled Ethernet interface operates in active Ethernet OAM mode.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
active: Specifies the active Ethernet OAM mode.
passive: Specifies the passive Ethernet OAM mode.
Usage guidelines
To change the Ethernet OAM mode of an Ethernet OAM-enabled Ethernet interface, first disable Ethernet OAM on the interface.
Examples
# Disable Ethernet OAM on Ten-GigabitEthernet 3/1/1, and then configure Ten-GigabitEthernet 3/1/1 to operate in passive Ethernet OAM mode.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] undo oam enable
[Sysname-Ten-GigabitEthernet3/1/1] oam mode passive
Related commands
oam enable
oam remote-failure action
Use oam remote-failure action to configure the action an interface takes after it receives an Ethernet OAM event from the remote end.
Use undo oam remote-failure action to remove the configuration.
Syntax
oam remote-failure { connection-expired | critical-event | dying-gasp | link-fault } action error-link-down
undo oam remote-failure { connection-expired | critical-event | dying-gasp | link-fault } action error-link-down
Default
An interface only logs the Ethernet OAM event it receives from the remote end.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
connection-expired: Specifies a connection timeout event.
critical-event: Specifies a critical event.
dying-gasp: Specifies a fatal event.
link-fault: Specifies a link fault event.
error-link-down: Terminates the OAM connection, and sets the link state of the interface to down.
Examples
# Configure Ten-GigabitEthernet 3/1/1 to terminate the OAM connection after it receives a critical event from the remote end, and set the link state of the interface to down.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam remote-failure critical-event action error-link-down
oam remote-loopback
Use oam remote-loopback start to enable Ethernet OAM remote loopback on an interface.
Use oam remote-loopback stop to disable Ethernet OAM remote loopback on an interface.
Syntax
oam remote-loopback start
oam remote-loopback stop
Default
Ethernet OAM remote loopback is disabled on an interface.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Usage guidelines
Ethernet OAM remote loopback is available only after the Ethernet OAM connection is established. It can be performed only by the Ethernet OAM entities operating in active Ethernet OAM mode.
You can enable Ethernet OAM remote loopback on a specified interface in user view or system view. You can also enable it on the current interface in interface view. The configurations have the same effect.
For Ethernet OAM remote loopback to operate correctly, do not configure link aggregation management VLANs when Ethernet OAM remote loopback is enabled. For more information about the link aggregation management VLAN, see Ethernet link aggregation in Layer 2—LAN Switching Configuration Guide.
Examples
# Configure active Ethernet OAM mode and enable Ethernet OAM on Ten-GigabitEthernet 3/1/1. Enable Ethernet OAM remote loopback on Ten-GigabitEthernet 3/1/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam mode active
[Sysname-Ten-GigabitEthernet3/1/1] oam enable
[Sysname-Ten-GigabitEthernet3/1/1] oam remote-loopback start
oam enable
oam mode
oam remote-loopback interface
oam remote-loopback interface
Use oam remote-loopback start interface to enable Ethernet OAM remote loopback on an interface.
Use oam remote-loopback stop interface to disable Ethernet OAM remote loopback on an interface.
Syntax
oam remote-loopback start interface interface-type interface-number
oam remote-loopback stop interface interface-type interface-number
Default
Ethernet OAM remote loopback is disabled on an interface.
Views
User view
System view
Predefined user roles
network-admin
Parameters
interface-type interface-number: Specifies an interface by its type and number.
Usage guidelines
Ethernet OAM remote loopback is available only after the Ethernet OAM connection is established. It can be performed only by the Ethernet OAM entities operating in active Ethernet OAM mode.
You can enable Ethernet OAM remote loopback on a specified interface in user view or system view. You can also enable it on the current interface in interface view. The configurations have the same effect.
Examples
# Configure the active Ethernet OAM mode and enable Ethernet OAM on Ten-GigabitEthernet 3/1/1. Enable Ethernet OAM remote loopback on Ten-GigabitEthernet 3/1/1 in system view.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam mode active
[Sysname-Ten-GigabitEthernet3/1/1] oam enable
[Sysname-Ten-GigabitEthernet3/1/1] quit
[Sysname] oam remote-loopback start interface ten-gigabitethernet 3/1/1
Related commands
oam enable
oam mode
oam remote-loopback
oam remote-loopback reject-request
Use oam remote-loopback reject-request to configure an interface to reject the Ethernet OAM remote loopback request from a remote interface.
Use undo oam remote-loopback reject-request to restore the default.
Syntax
oam remote-loopback reject-request
undo oam remote-loopback reject-request
Default
An interface does not reject the Ethernet OAM remote loopback request from a remote interface.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Usage guidelines
If an interface is in loopback state when you execute the oam remote-loopback reject-request command, the configuration takes effect when the next loopback starts.
Examples
# Configure Ten-GigabitEthernet 3/1/1 to reject the Ethernet OAM remote loopback request from a remote interface.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam remote-loopback reject-request
oam timer hello
Use oam timer hello to configure the Ethernet OAM handshake packet transmission interval.
Use undo oam timer hello to restore the default.
Syntax
oam timer hello interval
undo oam timer hello
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
interval: Specifies the Ethernet OAM handshake packet transmission interval, in steps of 100, in milliseconds. The value range for this argument is 100 to 5000.
Usage guidelines
After the timeout timer of an Ethernet OAM connection expires, the local OAM entity ages out and terminates its connection with the peer OAM entity. To keep the Ethernet OAM connections stable, set the connection timeout timer to be at least five times the handshake packet transmission interval.
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the Ethernet OAM handshake packet transmission interval to 600 milliseconds on Ten-GigabitEthernet 3/1/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam timer hello 600
display oam configuration
oam global timer hello
oam timer keepalive
Use oam timer keepalive to configure the Ethernet OAM connection timeout timer.
Use undo oam timer keepalive to restore the default.
Syntax
oam timer keepalive interval
undo oam timer keepalive
Default
An interface uses the global setting.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
interval: Specifies the Ethernet OAM connection timeout timer, in steps of 100, in milliseconds. The value range for this argument is 200 to 25000.
Usage guidelines
After the timeout timer of an Ethernet OAM connection expires, the local OAM entity ages out and terminates its connection with the peer OAM entity. To keep the Ethernet OAM connections stable, set the connection timeout timer to be a minimum of five times the handshake packet transmission interval.
The configuration in interface view takes effect only on the specified interface. For an interface, the configuration in interface view takes precedence.
Examples
# Set the Ethernet OAM connection timeout timer to 6000 milliseconds on Ten-GigabitEthernet 3/1/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] oam timer keepalive 6000
display oam configuration
oam global timer keepalive
reset oam
Use reset oam to clear statistics for Ethernet OAM packets and Ethernet OAM link error events.
Syntax
reset oam [ interface interface-type interface-number ]
Views
User view
Predefined user roles
network-admin
Parameters
interface interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, the command clears statistics for Ethernet OAM packets and Ethernet OAM link error events for all interfaces.
Examples
# Clear statistics for Ethernet OAM packets and Ethernet OAM link error events for all interfaces.
<Sysname> reset oam
Related commands
display oam
display oam link-event