Siemens RUGGEDCOM ROS - Page 7

RUGGEDCOM ROS
User Guide Table of Contents
vii
Chapter 5
Setup and Configuration .................................................................................. 121
5.1 Configuring the DHCP Relay Agent ........................................................................................... 121
5.2 Managing Virtual LANs ............................................................................................................. 122
5.2.1 VLAN Concepts ............................................................................................................. 123
5.2.1.1 Tagged vs. Untagged Frames .............................................................................. 123
5.2.1.2 Native VLAN ....................................................................................................... 123
5.2.1.3 The Management VLAN ...................................................................................... 124
5.2.1.4 Edge and Trunk Port Types ................................................................................. 124
5.2.1.5 Ingress and Egress Rules ................................................................................... 124
5.2.1.6 Forbidden Ports List ............................................................................................ 125
5.2.1.7 VLAN-Aware and VLAN-Unaware Modes ............................................................. 125
5.2.1.8 GARP VLAN Registration Protocol (GVRP) .......................................................... 126
5.2.1.9 PVLAN Edge ...................................................................................................... 127
5.2.1.10 QinQ ................................................................................................................ 127
5.2.1.11 VLAN Advantages ............................................................................................. 128
5.2.2 Viewing a List of VLANs ................................................................................................ 130
5.2.3 Configuring VLANs Globally ........................................................................................... 130
5.2.4 Configuring VLANs for Specific Ethernet Ports ................................................................. 131
5.2.5 Managing Static VLANs ................................................................................................. 133
5.2.5.1 Viewing a List of Static VLANs ............................................................................ 134
5.2.5.2 Adding a Static VLAN ......................................................................................... 134
5.2.5.3 Deleting a Static VLAN ........................................................................................ 136
5.3 Managing Spanning Tree Protocol ............................................................................................. 137
5.3.1 RSTP Operation ............................................................................................................ 137
5.3.1.1 RSTP States and Roles ...................................................................................... 138
5.3.1.2 Edge Ports ......................................................................................................... 139
5.3.1.3 Point-to-Point and Multipoint Links ....................................................................... 140
5.3.1.4 Path and Port Costs ............................................................................................ 140
5.3.1.5 Bridge Diameter .................................................................................................. 141
5.3.1.6 eRSTP ............................................................................................................... 141
5.3.1.7 Fast Root Failover .............................................................................................. 142
5.3.2 RSTP Applications ......................................................................................................... 142
5.3.2.1 RSTP in Structured Wiring Configurations ............................................................ 143
5.3.2.2 RSTP in Ring Backbone Configurations ............................................................... 144
5.3.2.3 RSTP Port Redundancy ...................................................................................... 146
5.3.3 MSTP Operation ............................................................................................................ 146
5.3.3.1 MSTP Regions and Interoperability ...................................................................... 147
5.3.3.2 MSTP Bridge and Port Roles ............................................................................... 148
5.3.3.3 Benefits of MSTP ................................................................................................ 149