3Com 2848 SFP - Baseline Switch Plus Yayın Notu - Sayfa 4

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1. Upgrading Software

3Com Baseline Switch 2848-SFP Plus

Known Issues for Switch 2848-SFP Plus Release

1.0.2.2

3.1

SFP Frame Loss Issue

• Occasionally, when a fibre cable is plugged into an SFP transceiver the SFP port is

unable to receive frames. This condition can be avoided by ensuring that no frame

transmissions or receptions occur on this port during link initialization.

The effect of this condition can be observed by checking the port statistics and seeing

that transmit frame counts are incrementing on this port, but receive frame counts do

not increment. Frame transmission and reception can be tested by sending ping

frames through the switch via this port and observing ping responses

and port statistics. To re-enable frame reception, reset the SFP port by unplugging

and plugging the fibre cable.

V1.0.2.2 Release Notes

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