Examples
# Display information about loopback detection.
<Sysname> display loopback-detection
Loopback detection is running.
Detection interval is 30 seconds.
No port is detected with loopback.
Table 7 Command output
Field
Detection interval time is 30 seconds.
No port is detected with loopback.
display packet-drop interface
Syntax
display packet-drop interface [ interface-type [ interface-number ] ] [ | { begin | exclude | include }
regular-expression ]
View
Any view
Default level
1: Monitor level
Parameters
interface-type: Specifies an interface type.
interface-number: Specifies an interface number.
|: 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.
Description
Use display packet-drop interface to display information about packets dropped on an interface or
multiple interfaces.
If you do not specify an interface type, this command displays information about dropped packets
•
on all the interfaces on the switch.
•
If you specify an interface type only, this command displays information about dropped packets on
the specified type of interfaces.
If you specify both the interface type and interface number, this command displays information
•
about dropped packets on the specified interface.
Examples
# Display information about dropped packets on GigabitEthernet 1/0/1.
Description
Loopback detection interval is 30 seconds.
No loops are detected on ports.
14