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eSight V300R009C00 Operation Guide 10

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  • To ensure the page response efficiency, you need to manually specify the number of interfaces in an interface group. It is recommended that the number be fewer than 300,000.
  • When initiating an SNMP operation to a device, eSight uses a queue to store request tasks of the device. To ensure the protocol stack response efficiency, the task queue size is restricted. If the number of concurrent requests submitted by an application to a device exceeds the maximum of the task queue, the SNMP operation fails. The typical symptom is that performance indicators fail to be collected when a large number of performance collection tasks exist. The maximum number of tasks in the task queue is configured in the configuration file eSight installation directory/AppBase/etc/snmp/snmp.xml. If max-req-per-q-config is set to 1, the maximum number equals the value of max-req-per-q. If max-req-per-q-config is set to 0, the maximum number is determined based on the maximum number of CPU cores of the eSight server (Table 4-2). The default value of max-req-per-q-config is 0.
    Table 4-2 Relationship between the maximum number of task queues on a device and the number of CPU cores

    Number of eSight Server CPU Cores

    Maximum Number of Tasks in a Single-Device Task Queue

    8 cores or less


    9 to 16 cores


    17 cores or more


  • For the link discovery function, the LLDP and CDP link discovery algorithms are always enabled and cannot be configured. The SBS link discovery algorithm is enabled by default and is configurable. The discovery algorithms of the non-30-bit mask IP links and MAC links are disabled by default and is configurable.
Updated: 2019-09-07

Document ID: EDOC1100011877

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