Allied Telesis AT-GS950/16PS, AT-S112 Chapter 5, Chapter 6, Chapter 7, Chapter 8, Chapter 9, Chapter 10, Chapter 11, Chapter 12

Contents
4
Forwarding Delay and Topology Changes...........................................................................................65
Mixed STP and RSTP Networks.......................................................... ................................................67
Spanning Tree and VLANs........ ..........................................................................................................68
Basic STP and RSTP Configuration..................................................................................... ......................70
Configure RSTP Port Settings....................................................................... .............................................73
Configure the Basic RSTP Port Settings.............................................................................................. 73
Configure the Advanced RSTP Port Settings ......................................................................................75
Spanning Tree Topology............................... .............................................................................................78
Chapter 5: Multiple Spanning Tree Protocol ................................................................................................. 79
Multiple Spanning Tree Configuration........................... .............................................................................80
Port Configuration....................................................................................................................................... 83
VLAN Mapping ........................................................................................................................................... 86
Open MSTP VLAN Mapping Page....................................................................................................... 86
Create VLAN Mapping to MST Instance....................................................... .......................................86
Modify MST Instance.... ....................................................................................................................... 87
Delete MST Instance............................................................................................................................ 87
Port Settings........................................................ .......................................................................................88
Topology Information........................................................................................... .......................................90
Chapter 6: Static Port Trunking ........................................... ..........................................................................93
Overview.................................................................................................................................. ...................94
Create a Port Trunk.......................................................... ..........................................................................97
Modify a Port Trunk................................ ....................................................................................................99
Disable a Port Trunk............................................................................................ .....................................101
Chapter 7: LACP Port Trunks ...................................................................................................................... 103
Overview.................................................................................................................................. .................104
System Priority ......................................................................................................................................... 105
Port Priority Value................................................................................................................................. ....106
General Guidelines........................................................................................... ........................................107
Group Status ............................................................................................................................................ 109
Configuration Example...................................................................................................... .................110
Port Priority Configuration ........................................................................................................................ 112
Chapter 8: Port Mirroring ..................................................................................... ........................................113
Overview.................................................................................................................................. .................114
Port Mirroring Configuration ..................................................................................................................... 115
Disable Port Mirroring.......................................................................................... .....................................117
Chapter 9: Loopback Protection ................................................................................................. .................119
Configuration............................. ............................................................................................................... 120
Status. .................................................................................................................................................. ....122
Chapter 10: MAC Address Table ........................ ........................................................................................123
Overview.................................................................................................................................. .................124
Static Unicast MAC Address Configuration......................................... .....................................................126
Modify Static Unicast Address....................................................................................... ...........................128
Delete Static Unicast Address............................................. .....................................................................129
Static Multicast Address Configuration............................................................................................. ........130
Modify Static Multicast Address................................................................................................................ 133
Delete Static Multicast Address.................................................................................. ..............................134
Chapter 11: IGMP Snooping ......................................................... ..............................................................135
Overview.................................................................................................................................. .................136
IGMP Snooping Configuration....................................................................................... ...........................138
Chapter 12: Storm Control ........................ ..................................................................................................141
Overview.................................................................................................................................. .................142