3Com 9100 Switch User Manual


 
Spanning Switches with Port-Based VLANs 67
Tagged VLANs 69
Uses of Tagged VLANs 70
Assigning a VLAN Tag 70
Mixing Port-Based and Tagged VLANs 72
Protocol-Based VLANs 72
Predefined Protocol Filters 73
Defining Protocol Filters 74
Deleting a Protocol Filter 75
Precedence of Tagged Packets Over Protocol Filters 75
VLAN Names 75
Default VLAN 75
Configuring VLANs on the Switch 76
VLAN Configuration Examples 77
Displaying VLAN Settings 78
Deleting VLANs 79
5
F
ORWARDING
D
ATABASE
(FDB)
Overview of the FDB 81
FDB Contents 81
FDB Entry Types 81
How FDB Entries Get Added 82
Associating a QoS Profile with an FDB Entry 82
Configuring FDB Entries 83
FDB Configuration Examples 83
Displaying FDB Entries 84
Removing FDB Entries 85
6
S
PANNING
T
REE
P
ROTOCOL
(STP)
Overview of the Spanning Tree Protocol 87
How STP Works 89
Initialization 89
Stabilization 90
Reconfiguration 90
Spanning Tree Domains 90
Defaults 91
STP Configurations 91