Learn more about the dis command in switch inspection

What is the dis command in switch inspection

In the maintenance and management process of network equipment, switches are an indispensable part. Inspection of switches is one of the important links to ensure the normal operation of the network. During the inspection process, the dis command is a commonly used command on switches. The purpose and function of the dis command will be introduced in detail below.

dis is the abbreviation of display. It is a commonly used command on Huawei switch equipment and is used to display various information of the equipment. The dis command can display the configuration information, operating status, etc. of the switch, help administrators understand the working status of the switch in a timely manner, and provide convenient troubleshooting and fault location.

The specific usage of the dis command is as follows:

1. Display the basic information of the switch

Use the dis version command to display the hardware version, software version and Start time and other information. For example:
dis version

2. Display interface status

Use the dis interface command to display the basic status information of all interfaces on the switch, including interface name, status, and rate. , duplex mode, etc. For example:
dis interface brief

3. Display interface detailed information

Use the dis interface {interface_name} command to display detailed information of the specified interface, including interface status and statistics information, configuration information, etc. For example:
dis interface GigabitEthernet 0/1

4. Display the MAC address table of the switch

Use the dis mac-address command to display the MAC address table of the switch, that is The correspondence between the MAC address currently learned by the switch and the corresponding interface. For example:
dis mac-address

5. Display the routing table of the switch

Use the dis ip routing-table command to display the routing table of the switch, that is, the routing table supported by the switch routing information. For example:
dis ip routing-table

6. Display the system log of the switch

Use the dis logbuffer command to display the system log information of the switch, including system events and interfaces Status changes, fault alarms, etc. For example:
dis logbuffer

7. Display the ARP table of the switch

Use the dis arp command to display the ARP table of the switch, that is, the IP address currently learned by the switch and the Correspondence of MAC addresses. For example:
dis arp

It should be noted that the specific usage of the dis command may vary according to different models and versions of switches. Users should pay attention to the relevant device documentation and Guide to ensure proper use of the dis command for inspection and troubleshooting.

To sum up, the dis command is a commonly used command in switch inspection. This command can display the switch configuration information, operating status, etc., and help administrators perform device inspection, troubleshooting, and fault location. Work. Correct use of the dis command can improve the maintenance efficiency and reliability of network equipment and ensure the normal operation of the network.

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