ProLiant BL p-Class GbE2 Interconnect Switch Application Guide

Contents 4
Supported RADIUS attributes .............................................................................................................. 42
EAPoL configuration guidelines ........................................................................................................... 43
Port-based traffic control ......................................................................................................................... 43
VLANs
Introduction........................................................................................................................................... 45
Overview.............................................................................................................................................. 45
VLANs and port VLAN ID numbers........................................................................................................... 45
VLAN numbers ................................................................................................................................. 45
PVID numbers................................................................................................................................... 45
Viewing and configuring PVIDs........................................................................................................... 46
VLAN tagging ....................................................................................................................................... 46
VLANs and IP interfaces.......................................................................................................................... 49
VLAN topologies and design considerations.............................................................................................. 49
VLAN configuration rules ................................................................................................................... 49
Multiple VLANS with tagging .................................................................................................................. 49
Configuring the example network........................................................................................................ 51
FDB static entries.................................................................................................................................... 56
Trunking support for FDB static entries.................................................................................................. 56
Configuring a static FDB entry ............................................................................................................ 56
Spanning Tree Protocol
Introduction........................................................................................................................................... 57
Overview.............................................................................................................................................. 57
Bridge Protocol Data Units ...................................................................................................................... 57
Determining the path for forwarding BPDUs.......................................................................................... 57
Spanning Tree Group configuration guidelines .......................................................................................... 58
Default Spanning Tree configuration.................................................................................................... 58
Adding a VLAN to a Spanning Tree Group ..........................................................................................58
Creating a VLAN .............................................................................................................................. 58
Rules for VLAN tagged ports............................................................................................................... 58
Adding and removing ports from STGs ................................................................................................ 59
Assigning cost to ports and trunk groups .............................................................................................. 59
Multiple Spanning Trees ......................................................................................................................... 59
Why do we need Multiple Spanning Trees? .........................................................................................59
VLAN participation in Spanning Tree Groups ....................................................................................... 60
Configuring Multiple Spanning Tree Groups......................................................................................... 60
Port Fast Forwarding .............................................................................................................................. 62
Configuring Port Fast Forwarding........................................................................................................ 63
Fast Uplink Convergence ........................................................................................................................ 63
Configuration guidelines .................................................................................................................... 63
Configuring Fast Uplink Convergence.................................................................................................. 63
Hot Links............................................................................................................................................... 63
Forward Delay.................................................................................................................................. 63
Pre-emption ...................................................................................................................................... 64
FDB Update...................................................................................................................................... 64
Configuration Guidelines ................................................................................................................... 64
Configuring Hot Links ........................................................................................................................ 64
RSTP and MSTP
Introduction........................................................................................................................................... 65
Rapid Spanning Tree Protocol.................................................................................................................. 65
Port state changes............................................................................................................................. 65
Port type and link type....................................................................................................................... 65
RSTP configuration guidelines ............................................................................................................. 66
RSTP configuration example ............................................................................................................... 66
Multiple Spanning Tree Protocol............................................................................................................... 68
MSTP region..................................................................................................................................... 68
Common Internal Spanning Tree ......................................................................................................... 68