An error message is displayed during the mirroring configuration on an S series switch

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If an error message similar to the following is displayed when you configure the mirroring function on an S series switch:
Error: Insufficient observe-port resource.
It indicates that the number of configured observing ports has reached the upper limit. To perform new mirroring configuration, delete unnecessary mirroring configurations or other service configurations that use observing port resources. For example, MPLS OAM or BFD configuration consumes observing port resources on some devices. Alternatively, use other features to implement traffic monitoring.

Other related questions:
Why does an S series switch generate an error message during link aggregation configuration
When adding an interface of an S series switch (except the S1700) to an Eth-Trunk, ensure that the interface is of the same type as the other member interfaces and the interface does not have any configurations. Follow these guidelines: 1. Each Eth-Trunk contains a maximum of eight member interfaces by default. 2. An Eth-Trunk cannot be added to another Eth-Trunk. 3. Member interfaces of an Eth-Trunk must use the same Ethernet type and rate. Interfaces that use different Ethernet types and rates cannot join the same Eth-Trunk. For instance, GE interfaces and FE interfaces cannot join the same Eth-Trunk, but GE electrical interfaces and GE optical interfaces can join the same Eth-Trunk.

Why does the NMS display an error message when it uses SNMPv2c to connect to an S series switch
When an NMS uses SNMPv2c to connect to an S series switch (except the S1700), error message "another nms was polling the switch with wrong community" is displayed. The reason is that the community name configured on the NMS is different from that configured on the switch. Run the display snmp-agent community command on the switch to check the configured community name.

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