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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Configuring the Capture Function for Packets Sent to the CPU

Configuring the Capture Function for Packets Sent to the CPU

When a CPU fault occurs, configure the packet capture function to capture packets sent to the CPU for analysis. This allows the device to process invalid packets in time, ensuring that the CPU works properly.

Precaution

Pay attention to the following precautions when configuring packet capturing:

  • You can set the timeout period specified by time and the number of packets to be captured specified by number for a capture instance. If the timeout period expires or the specified number of packets are captured, the system stops capturing packets.

  • You can set packet capture parameters based on the number of packets on the interface. If a large number of packets are forwarded on an interface, set the time parameter to a small value and the number parameter to a large value. If a small number of packets are forwarded on an interface, set the time parameter to a large value and the number parameter to a small value.

Procedure

  1. Run:

    capture-packet local-host [ interface interface-type interface-number ] [ acl { { acl-number | name acl-name } | ipv6 { acl6-number | name acl6-name } } | vlan vlan-id | inner-vlan inner-vlan-id ] * destination { terminal | file file-name } * [ time-out time | packet-num number | packet-len { length | total-packet } ] *

    The device is configured to capture packets sent to the CPU.

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Updated: 2019-08-09

Document ID: EDOC1000041694

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