display cpu-defend hostcar access-user-info slot

Function

The display cpu-defend hostcar access-user-info slot command displays statistics about a specified Host-CAR and information bout the access users limited by the Host-CAR, such as MAC addresses, IP addresses, and online status.

This command is supported only on the NetEngine 8000 F1A.

Format

display cpu-defend hostcar car-id access-user-info slot slot-id

Parameters

Parameter	Description	Value
car-id	Specifies a CAR ID. After the parameter is specified, statistics about a specified Host-CAR is displayed.	The value is an integer that ranges from 0 to 32767.
access-user-info	Displays information bout the access users limited by a specified Host-CAR, such as MAC addresses, IP addresses, and online status.	-
slot slot-id	Specifies the slot ID.	-

Parameter

Description

Value

car-id

Specifies a CAR ID. After the parameter is specified, statistics about a specified Host-CAR is displayed.

The value is an integer that ranges from 0 to 32767.

access-user-info

Displays information bout the access users limited by a specified Host-CAR, such as MAC addresses, IP addresses, and online status.

slot slot-id

Specifies the slot ID.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
cpu-defend	read

Usage Guidelines

Usage Scenario

After the Host-CAR is enabled to limit the rate of the packets to be sent to the CPU, running the

display cpu-defend hostcar access-user-info command is recommended in any of the following scenarios:

Check whether the configured Host-CAR takes effect.
When user services are affected, check whether the configured Host-CAR limits the rate of the packets to be sent to the CPU.
When excessive traffic is sent to the CPU, check whether a specified board sends too much traffic to the CPU so that you can adjust the Host-CAR.

Precautions

In VS mode, this command is supported only by the admin VS.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display statistics about the Host-CAR with CAR ID 0 in slot 1 and information about access users limited by the Host-CAR.

<HUAWEI> display cpu-defend hostcar 0 access-user-info slot 1
CarID             Passed-Bytes            Dropped-Bytes
----------------------------------------------------------------------------------------------------
0                 681                     0                      
----------------------------------------------------------------------------------------------------

MAC             PeVlan/CeVlan             IP address        Username                Status           
----------------------------------------------------------------------------------------------------
00e0-fc01-0101  -/-                       3.3.3.3           user1@zh                online

00e0-fc01-0102  20/-                      3.3.3.4           user2@zh                online-fail
        
00e0-fc01-0103  30/40                     3.3.3.5           user3@zh                offline-normal

-               100/200    -                 user4@zh                offline-abnormal
----------------------------------------------------------------------------------------------------

**Table 1** Description of the **display cpu-defend hostcar access-user-info slot** command output
Item	Description
CarID	CAR ID.
Passed-Bytes	Bytes of permitted packets.
Dropped-Bytes	Bytes of discarded packets.
MAC	MAC address of a user.
PeVlan/CeVlan	Outer and inner VLAN ID.
IP address	IP address of a user.
Username	User name.
Status	Online status of a user. The value can be: online: indicates that the user is online. online-fail: indicates that the user fails to go online. offline-normal: indicates that the user goes offline normally. offline-abnormal: indicates that the user goes offline abnormally.