Allied Telesis AT-GS950/48PS, AT-S111 Chapter 5, Chapter 6, Chapter 7, Chapter 8, Chapter 9, Chapter 10, Chapter 11, Chapter 12

Contents
6
Forwarding Delay and Topology Changes...........................................................................................67
Mixed STP and RSTP Networks.......................................................... ................................................69
Spanning Tree and VLANs........ ..........................................................................................................70
Basic STP and RSTP Configuration..................................................................................... ......................72
Configure RSTP Port Settings....................................................................... .............................................75
Configure the Basic RSTP Port Settings.............................................................................................. 75
Configure the Advanced RSTP Port Settings ......................................................................................77
Spanning Tree Topology............................... .............................................................................................80
Chapter 5: Multiple Spanning Tree Protocol ................................................................................................. 81
Multiple Spanning Tree Configuration........................... .............................................................................82
Port Configuration....................................................................................................................................... 85
VLAN Mapping ........................................................................................................................................... 88
Open MSTP VLAN Mapping Page....................................................................................................... 88
Create VLAN Mapping to MST Instance....................................................... .......................................88
Modify MST Instance.... ....................................................................................................................... 89
Delete MST Instance............................................................................................................................ 89
Port Settings........................................................ .......................................................................................90
Topology Information........................................................................................... .......................................92
Chapter 6: Static Port Trunking ........................................... ..........................................................................95
Overview.................................................................................................................................. ...................96
Create a Port Trunk.......................................................... ..........................................................................99
Modify a Port Trunk................................ ..................................................................................................101
Disable a Port Trunk............................................................................................ .....................................103
Chapter 7: LACP Port Trunks ...................................................................................................................... 105
Overview.................................................................................................................................. .................106
System Priority ......................................................................................................................................... 107
Port Priority Value................................................................................................................................. ....108
General Guidelines........................................................................................... ........................................109
Group Status ............................................................................................................................................ 111
Configuration Example...................................................................................................... .................112
Port Priority Configuration ........................................................................................................................ 114
Chapter 8: Port Mirroring ..................................................................................... ........................................115
Overview.................................................................................................................................. .................116
Port Mirroring Configuration ..................................................................................................................... 117
Disable Port Mirroring.......................................................................................... .....................................118
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