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exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Description
Use display loopback-detection to display the status of the loopback detection function.
If loopback detection is enabled, this command also displays the detection interval and ports in a loop
condition.
Examples
# Display information about loopback detection.
<Sysname> display loopback-detection
Loopback detection is running.
Loopback detection is in multi-port mode.
Detection interval is 30 seconds.
No port is detected with loopback.
Table 9 Command output
Field Description
Loopback-detection is in multi-port mode. Multi-port loopback detection is enabled.
Detection interval time is 30 seconds. Loopback detection interval is 30 seconds.
No port is detected with loopback. No loops are detected on ports.
display port-group manual
Syntax
display port-group manual [ all | name port-group-name ] [ | { begin | exclude | include }
regular-expression ]
View
Any view
Default level
2: System level
Parameters
all: Displays information about all port groups.
name port-group-name: Specifies the name of a port group, a string of 1 to 32 characters.
|: Filters command output by specifying a regular expression. For more information about regular
expressions, see Fundamentals Configuration Guide.
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
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