Creating a Packet Capture Task to Check the Network Status

Specification Limitations

Only the professional edition instances can capture network packets.

Constraints

• Only one packet capture task can be executed at a time.
• A maximum of 20 packet capture tasks can be created every day.
• A maximum of 1 million packets can be captured.

Creating a Packet Capture Task to Check the Network Status

1. Log in to the management console.
2. Click in the upper left corner of the management console and select a region or project.
3. In the navigation pane on the left, click and choose Security & Compliance > Cloud Firewall. The Dashboard page will be displayed.
4. (Optional) If the current account has only one firewall instance, the firewall details page is displayed. If there are multiple firewall instances, click View in the Operation column of a firewall to go to its details page.
5. In the navigation tree on the left, choose System Management > Packet Capture.
6. Click Create Capture Task and configure parameters.
   Figure 1 Creating a packet capture task
   

   Table 1 Packet capture task parameters

   Parameter Name	Description	Example Value
   Task Name	Task name. It must meet the following requirements: Only uppercase letters (A to Z), lowercase letters (a to z), numbers (0 to 9), and the following special characters are allowed: -_ Enter up to 30 characters.	cfw
   Max. Packets Captured	Maximum number of captured packets. Enter an integer in the range 1 to 1,000,000.	100000
   Capture Duration (min)	Maximum duration for capturing packets. Enter an integer in the range 1 to 10.	3
   IP Type	IP address type for packet capture. The value is IPv4 by default.	IPv4
   Protocol Type	Protocol type of captured packets. It can be: Any TCP UDP ICMP	Any
   Source Address	It can be: A single IP address, for example, 192.168.10.5 Consecutive IP addresses, for example, 192.168.0.2-192.168.0.10 Address segment, for example, 192.168.2.0/24	192.168.10.5
   Source Port	(Optional) Source port. The input rules are as follows: If this parameter is left blank, it indicates all port numbers (1 to 65535). Enter a single port number in the range 1 to 65535.	80
   Destination Address	It can be: A single IP address, for example, 192.168.10.5 Consecutive IP addresses, for example, 192.168.0.2-192.168.0.10 Address segment, for example, 192.168.2.0/24	192.168.10.6
   Destination Port	(Optional) Destination port. The input rules are as follows: If this parameter is left blank, it indicates all port numbers (1 to 65535). Enter a single port number in the range 1 to 65535.	-

7. Click OK.

Related Operations

• To copy a task, click Copy in its Operation column. In the displayed dialog box, enter the task name and click OK.
• To stop a packet capture task, click Stop in its Operation column.
• To delete packet capture tasks, select them and click Delete above the list.
• Viewing a Packet Capture Task
• Downloading Packet Capture Results