Chapter 7  Spanning Tree .............................................................................................................. 88 
7.1  STP Config ................................................................................................................... 93 
7.1.1  STP Config ........................................................................................................ 93 
7.1.2  STP Summary ................................................................................................... 95 
7.2  Port Config ................................................................................................................... 96 
7.3  MSTP Instance ............................................................................................................. 98 
7.3.1  Region Config .................................................................................................... 98 
7.3.2  Instance Config ................................................................................................. 99 
7.3.3  Instance Port Config ........................................................................................ 101 
7.4  STP Security .............................................................................................................. 103 
7.4.1  Port Protect ..................................................................................................... 103 
7.4.2  TC Protect ....................................................................................................... 105 
7.5  Application Example for STP Function ...................................................................... 105 
Chapter 8  Multicast ...................................................................................................................... 110 
8.1  IGMP Snooping ........................................................................................................... 114 
8.1.1  Snooping Config ............................................................................................... 116 
8.1.2  VLAN Config ..................................................................................................... 116 
8.1.3  Port Config ....................................................................................................... 118 
8.1.4  IP-Range .......................................................................................................... 119 
8.1.5  Multicast VLAN ................................................................................................ 120 
8.1.6  Static Multicast IP ............................................................................................ 123 
8.1.7  Packet Statistics .............................................................................................. 124 
8.2  MLD Snooping............................................................................................................ 126 
8.2.1  Global Config ................................................................................................... 127 
8.2.2  VLAN Config .................................................................................................... 129 
8.2.3  Filter Config ..................................................................................................... 131 
8.2.4  Port Config ...................................................................................................... 132
 
8.2.5  Static Multicast ................................................................................................ 132 
8.2.6  Querier Config ................................................................................................. 133 
8.2.7  Packet Statistics .............................................................................................. 134 
8.3  Multicast Table ............................................................................................................ 136 
8.3.1  IPv4 Multicast Table ........................................................................................ 136 
8.3.2  IPv6 Multicast Table ........................................................................................ 137 
Chapter 9  QoS ............................................................................................................................ 138 
9.1  DiffServ ....................................................................................................................... 141 
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