Figure 2-20 Loop detection networking ............................................................................................................. 119

Figure 2-21 Loop detection networking ............................................................................................................. 123

Figure 2-22 Interface protection networking ...................................................................................................... 126

Figure 2-23 Principles of port mirroring ............................................................................................................ 127

Figure 2-24 Port mirroring networking .............................................................................................................. 130

Figure 2-25 L2CP networking ............................................................................................................................ 134

Figure 2-26 Networking for IP phone to connect to switch ............................................................................... 137

Figure 2-27 Networking for IP phone to connect PC to the switch .................................................................... 138

Figure 2-28 Networking with adding interface to voice VLAN and configuring it to work in manual mode ... 141

Figure 2-29 Configuring IP phone to access voice VLAN packets through LLDP ............................................ 143

Figure 2-30 Principles of GVRP ........................................................................................................................ 146

Figure 2-31 GVRP networking .......................................................................................................................... 149

Figure 3-1 ISF networking ................................................................................................................................. 153

Figure 3-2 ISF visualization ............................................................................................................................... 154

Figure 3-3 ISF merge ......................................................................................................................................... 155

Figure 3-4 ISF split ............................................................................................................................................ 156

Figure 3-5 Chain networking ............................................................................................................................. 157

Figure 3-6 Ring networking ............................................................................................................................... 157

Figure 3-7 ISF relay networking ........................................................................................................................ 158

Figure 3-8 Flow for establishing the ISF environment ....................................................................................... 162

Figure 3-9 Multi-ISF-domain networking .......................................................................................................... 168

Figure 3-10 BFD MAD networking (without intermediate device) ................................................................... 173

Figure 3-11 BFD MAD networking (with intermediate device) ........................................................................ 174

Figure 3-12 Clearing MAD fault (clearing ISF link fault) ................................................................................. 176

Figure 3-13 Clearing MAD fault (ISF link fault and Active ISF fault) .............................................................. 177

Figure 3-14 ISF networking (BFD MAD mode) ................................................................................................ 179

Figure 3-15 ISF networking with member device changing from ISF mode to standalone mode ..................... 182

Figure 3-16 ISF networking (BFD MAD mode) ................................................................................................ 185

Figure 3-17 Networking topology before configuring ISF ................................................................................ 187

Figure 3-18 Networking topology after adding Switch A to ISF........................................................................ 188

Figure 4-1 1:1 ELPS networking........................................................................................................................ 204

Figure 5-1 VLAN interface networking ............................................................................................................. 209

Figure 5-2 Configuring ARP networking ........................................................................................................... 216

Raisecom Proprietary and Confidential

Figures

xxv

Table of Contents