Can a physical port on an S series switch be configured as a mirrored port and an observing port simultaneously

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For S series switches (except S1700 switches), a port on the following switch models or cards cannot be configured as an observing port and a mirrored port simultaneously:
- Modular switches: X series cards
- Fixed switches: S5720HI
Note: A port on the following switches cannot be configured as an observing port and a mirrored port simultaneously: S1720GFR, S1720GW-E, S1720GWR-E, S2720EI, S2750EI, S5700LI, S5700S-LI, S5710-C-LI, S5710-X-LI, S5700SI, S5720LI, S5720S-LI, S5720SI, S5720S-SI, and S600-E.

Other related questions:
Differences between mirrored ports and observing ports on S series switches
For S series switches: - A mirrored port is a monitored port. All the packets that pass through a mirrored port are copied to a port connected to a monitoring device. - An observing port is connected to a monitoring device and used to send packets from a mirrored port to the monitoring device.

Can an interface be configured as a mirrored port and an observing port at the same time
An interface cannot be configured as a mirroring port and an observing port at the same time. This is because the mirroring port and the observing port are exclusive.

Do observing ports and mirrored ports on S series switches need to have the same bandwidth
For S series switches, if a mirrored port and an observing port provide different bandwidth, for example, 1000 Mbit/s on the mirrored port and 100 Mbit/s on the observing port, the observing port may fail to forward all mirrored packets in a timely manner because of insufficient bandwidth, leading to packet loss. Therefore, ensure that the bandwidth of an observing port is larger than that of a mirrored port. The bandwidth of an observing port can also be the total bandwidth of multiple observing ports in 1: N mirroring. For details, see Mirroring �?an Effective Network Monitoring Tool (Specifications).

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