Contents
8
Chapter 22: RMON .....................................................................................................................................289
Overview...................................................................................................................................................290
Enable and Disable RMON ......................................................................................................................291
Port Statistics............................................................................................................................................292
Histories....................................................................................................................................................293
Events.......................................................................................................................................................295
Alarms ......................................................................................................................................................297
Chapter 23: Network Statistics ....................................................................................................................301
Overview...................................................................................................................................................302
Traffic Comparison Statistics.................................................................................................................... 303
Error Group Statistics ............................................................................................................................... 306
Historical Status Charts ............................................................................................................................308
Chapter 24: Management Software Updates ..............................................................................................311
Overview...................................................................................................................................................312
Upgrade Firmware Image via HTTP.........................................................................................................313
Upgrade Firmware Image via TFTP .........................................................................................................315
Download or Upload a Configuration File via HTTP.................................................................................317
Configuration File Upload...................................................................................................................318
Configuration File Download ..............................................................................................................318
Download or Upload a Configuration File via TFTP .................................................................................320
Configuration File Upload...................................................................................................................320
Configuration File Download ..............................................................................................................321
Chapter 25: Loopback Protection ................................................................................................................323
Configuration ............................................................................................................................................324
Status .......................................................................................................................................................326
Chapter 26: Cable Diagnostics ...................................................................................................................327
Appendix A: MSTP Overview .......................................................................................................................329
Overview...................................................................................................................................................330
Multiple Spanning Tree Instance (MSTI) ..................................................................................................332
Resolving VLAN Fragmentation.........................................................................................................332
Multiple VLANS Assigned to an MSTI................................................................................................333
General Guidelines...................................................................................................................................335
VLAN and MSTI Associations .................................................................................................................. 336
Ports in Multiple MSTIs.............................................................................................................................337
Multiple Spanning Tree Regions ..............................................................................................................338
MST Region Guidelines .....................................................................................................................340
Common and Internal Spanning Tree (CIST) ....................................................................................342
MSTP with STP and RSTP ................................................................................................................342
Associating VLANs to MSTIs....................................................................................................................343
VLANs Across Different Regions..............................................................................................................345
Summary of Guidelines ............................................................................................................................347
Appendix A: AT-GS950/24 Default Parameters ...........................................................................................349
