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Why are the ports on my M4300 switch disabled?
The ports on your M4300 switch can become disabled if one or more single mirroring sessions are in an RX and TX direction, or if two mirroring sessions are in an RX and TX direction. RX means receiving packets to the switch and TX means transmitting packets from the switch. The following switch models are affected by this limitation:
  • M4300-28G-PoE+
  • M4300-28G
  • M4300-52G
  • M4300-52G-PoE+
  • M4300-16X
  • M4300-8X8.

For more information, see What is port mirroring and how does it work with my managed switch?.

Last Updated:07/07/2025 | Article ID: 000064374

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