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WGS3 Layer 3 Switch User’s Manual
5.8.3 Displaying Bridge Information................................................................................................ 208
5.8.3.1 Viewing the Current Spanning Tree Information.............................................................................208
5.8.3.2 Displaying the Current STA for Ports..............................................................................................210
5.8.4 Displaying VLAN Information................................................................................................. 212
5.8.4.1 VLAN Dynamic Registration Information ........................................................................................212
5.8.4.2 VLAN Forwarding Information ........................................................................................................212
5.8.5 IP Multicast Registration Table .............................................................................................. 213
5.8.6 IP Menu.................................................................................................................................. 214
5.8.6.1 Displaying Subnet Information........................................................................................................214
5.8.6.2 ARP Table ......................................................................................................................................215
5.8.6.3 Routing Table..................................................................................................................................215
5.8.6.4 Multicast Table ...............................................................................................................................217
5.8.6.4.1 Displaying IGMP Registration Table........................................................................................218
5.8.6.4.2 Displaying the Multicast Forwarding Cache............................................................................219
5.8.6.4.3 Displaying the DVMRP Routing Table.....................................................................................220
5.8.6.4.4 Displaying the DVMRP Neighbor Table ..................................................................................221
5.8.6.5 OSPF Table ....................................................................................................................................222
5.8.6.5.1 Display Interface Table............................................................................................................222
5.8.6.5.2 Displaying the Link State Table...............................................................................................222
5.8.6.5.3 Displaying the Neighbor Table................................................................................................223
5.8.6.5.4 Displaying the Virtual Neighbor Table.....................................................................................225
5.9 R
ESETTING THE
S
YSTEM
.................................................................................................................. 227
CHAPTER 6.ADVANCED TOPICS......................................................................................................... 228
6.1 L
AYER
2 S
WITCHING
........................................................................................................................ 228
6.1.1 Unicast Switching................................................................................................................... 229
6.1.2 Multicast Switching ................................................................................................................ 230
6.1.3 Spanning Tree Algorithm ....................................................................................................... 230
6.2 L
AYER
3 S
WITCHING
........................................................................................................................ 232
6.2.1 Initial Configuration ................................................................................................................ 232
6.2.2 IP Switching ........................................................................................................................... 233
6.2.3 Routing Path Management.................................................................................................... 234
6.2.4 ICMP Router Discovery ......................................................................................................... 234
6.2.5 Proxy ARP ............................................................................................................................. 234
6.2.6 Routing Protocols................................................................................................................... 235
6.2.6.1 RIP and RIP-2 Dynamic Routing Protocols ....................................................................................235
6.2.6.2 OSPFv2 Dynamic Routing Protocol................................................................................................236
6.2.7 Non-IP Protocol Routing........................................................................................................ 238
6.3 V
IRTUAL
LAN
S
................................................................................................................................ 239
6.3.1 Assigning Ports to VLANs...................................................................................................... 240
6.3.1.1 VLAN Classification........................................................................................................................240
6.3.1.2 Port Overlapping.............................................................................................................................240
6.3.1.3 Port-based VLANs..........................................................................................................................240
6.3.1.4 Automatic VLAN Registration (GVRP)............................................................................................240
6.3.2 Forwarding Tagged/Untagged Frames.................................................................................. 241
6.3.3 Connecting VLAN Groups ..................................................................................................... 242
6.4 M
ULTICAST
F
ILTERING
...................................................................................................................... 243
6.4.1 IGMP Snooping...................................................................................................................... 243
6.4.2 IGMP Protocol........................................................................................................................ 243
6.4.3 GMRP Protocol...................................................................................................................... 244
6.4.4 DVMRP Routing Protocol ...................................................................................................... 244
6.5 C
LASS
-
OF
-S
ERVICE
(C
O
S) S
UPPORT
............................................................................................... 245
6.6 BOOTP/DHCP R
ELAY
.................................................................................................................... 246
6.7 S
ECURITY
F
EATURES
....................................................................................................................... 247
6.7.1 SNMP Community Strings..................................................................................................... 247
6.7.2 User Name and Passwords................................................................................................... 247
6.7.3 MAC Address Filters.............................................................................................................. 247
6.7.4 IP Address Filters................................................................................................................... 247
6.8 SNMP M
ANAGEMENT
S
OFTWARE
.................................................................................................... 248
6.9 R
EMOTE
M
ONITORING
(RMON) ....................................................................................................... 248
APPENDIX A TROUBLESHOOTING..................................................................................................... 249
A.1 T
ROUBLESHOOTING
C
HART
............................................................................................................. 249
A.2 U
PGRADING
F
IRMWARE VIA THE
S
ERIAL
P
ORT
.................................................................................. 250