H3C S7500E Series Command Reference Manual

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H3C S7500E Series Command Reference Manual Manual pdf 165 page image

6-6exclude: Displays the 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, which is a case sensitive string of 1 to 256characters.DescriptionUse the display interface null command to display information about the null interface.z If you do not specify the null keyword, this command displays information about all interfaces.z Even if you do not specify the 0 keyword, this command displays information about interface Null 0because interface Null 0 is the only null interface on a device.Related commands: interface null.Examples# Display information about null interface Null 0. display interface null 0NULL0 current state :UPLine protocol current state :UP (spoofing)Description : NULL0 InterfaceThe Maximum Transmit Unit is 1500Internet protocol processing : disabledPhysical is NULL DEVLast clearing of counters: NeverLast 300 seconds input: 0 bytes/sec, 0 bits/sec, 0 packets/secLast 300 seconds output: 0 bytes/sec, 0 bits/sec, 0 packets/sec0 packets input, 0 bytes, 0 drops0 packets output, 0 bytes, 0 drops# Display brief information about interface Null0. display interface null 0 briefThe brief information of interface(s) under route mode:Link: ADM - administratively down; Stby - standbyProtocol: (s) - spoofingInterface Link Protocol Main IP DescriptionNULL0 UP UP(s) --See Table 6-1 for the display interface null command output description.The average input/output rate or input/output packets of interface Null 0 are displayed as “0” in thedisplay interface null command output because the S7500E series Ethernet switches do not countthese fields.interface loopbackSyntaxinterface loopback interface-number