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15–6 MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
IGMP CHAPTER 15: IGMP
15.2 Configuring IGMP through the Command Line Interface
15.2.1 Commands
The igmp command enters IGMP configuration mode and enables or disables IGMP on the
switch.
igmp
igmp <enable/disable>
The
show igmp command displays the IGMP status.
show igmp
The following command sequence illustrates how to enable and query the status of IGMP.
ML2400# igmp
ML2400(igmp)##
igmp enable
IGMP is enabled
ML2400(igmp)## show igmp
IGMP State : Enabled
ImmediateLeave : Disabled
Querier : Enabled
Querier Interval : 125
Querier Response Interval : 10
Multicasting Unknown Streams : Enable
ML2400(igmp)## igmp disable
IGMP is disabled
ML2400(igmp)## show igmp
IGMP State : Disabled
ImmediateLeave : Disabled
Querier : Enabled
Querier Interval : 125
Querier Response Interval : 10
Multicasting Unknown Streams : Enable
ML2400(igmp)##
The output of the show igmp command provides the following useful information:
• IGMP State shows if IGMP is turned on (Enable) or off (Disable).
• Immediate Leave provides a mechanism for a particular host that wants to leave
a multicast group. It disables the port (where the leave message is received) ability
to transmit multicast traffic.
• Querier shows where the switch is a querier or a non-querier. In our example, the
switch is the querier.
• Querier Interval shows the time period in seconds on which the switch sends
general host-query messages.
• Querier Response Interval specifies maximum amount of time in seconds that
can elapse between when the querier sends a host-query message and when it
receives a response from a host.
• Multicasting Unknown Streams shows if the control of multicast streams is on
(Enabled) or off (Disabled).
The
show-group command displays the multicast groups.
- MultiLink ML2400 1
- Ethernet Communications 1
- *1601-0220-AD* 1
- Table of Contents 3
- TOC TABLE OF CONTENTS 5
- TABLE OF CONTENTS 10
- Chapter 1: Introduction 11
- 1.2 Ordering 12
- 1.3 Specifications 13
- 1.3.3 Type Tests 15
- 1.3.4 Physical Specifications 16
- 1.3.5 Approvals and Warranty 16
- WARRANTY 17
- 1.4 Firmware Overview 18
- 1.4.3 Before Starting 19
- 1.5.1 Console Connection 20
- 1.5.2 Console Setup 20
- 1.5.3 Console Screen 21
- 1.5.7 Privilege Levels 24
- 1.5.8 User Management 24
- 1.5.9 Help 25
- 1.5.10 Exiting 27
- FIGURE 1–3: Login screen 28
- 1.6.2 Privilege Levels 29
- 1.6.3 User Management 29
- 1.6.5 Help 34
- 1.6.6 Exiting 34
- 1.7 ML2400 Firmware Updates 36
- 2.1.2 Design Aspects 42
- 2.2 Communications Modules 43
- 2.2.2 Six-port Modules 44
- 2.2.3 Eight-port Modules 44
- 754702A1.CDR 45
- 754730A1.CDR 46
- 2.3 Features and Benefits 47
- 2.3.4 Redundant Power Supply 48
- 2.4 Applications 50
- 2.4.1 Description 50
- FIGURE 2–5: VLAN application 51
- 754732A1.CDR 52
- Chapter 3: Installation 53
- 3.2 Connecting Ethernet Media 55
- 3.3 Mechanical Installation 58
- 754734A1.CDR 59
- 3.4 Electrical Installation 60
- 3.4.3 Alarm Contacts 61
- 3.5.1 Description 63
- Chapter 4: Operation 65
- 4.1.3 Address Learning 66
- 4.1.4 Status LEDs 66
- (EQ 4.1) 69
- (EQ 4.2) 69
- (EQ 4.3) 69
- 4.2 Troubleshooting 71
- Chapter 5: IP Addressing 73
- 5.2.1 DHCP and bootp 75
- 5.2.2 bootp Database 75
- 5.2.4 Using Telnet 77
- ML2400# show console 78
- 5.3 Setting Parameters 80
- 5.3.3 Date and Time 81
- 5.3.4 Network Time 82
- 5.4 System Configuration 86
- 5.4.4 Saving Configuration 92
- 5.4.5 Script File 94
- 5.4.7 Host Names 98
- 5.4.8 Erasing Configuration 99
- Kill Config option using SWM 99
- Kill Config option using CLI 101
- Name Areas affected 101
- 5.5 IPv6 103
- 5.5.3 IPv6 Addressing 104
- FIGURE 5–5: Configuring IPv6 105
- 5.5.4 Configuring IPv6 105
- Multilink ML2400 107
- 6.1.3 Port Security Feature 108
- 6.2.1 Commands 109
- 6.2.2 Allowing MAC Addresses 110
- 6.2.3 Security Logs 114
- 6.2.4 Authorized Managers 116
- 6.3.1 Commands 118
- 6.3.2 Logs 121
- 6.3.3 Authorized Managers 122
- 754714A1.CDR 126
- 802.1x switch 127
- EAPOL EAP over RADIUS 127
- 7.2.1 Commands 128
- 7.2.2 Example 130
- 7.3.1 Commands 133
- 8.1.2 TACACS+ Flow 140
- 8.1.3 TACACS+ Packet 140
- 754717A1.CDR 141
- 8.2.1 Commands 142
- 8.2.2 Example 142
- Z Save the settings 145
- 9.2.1 Commands 148
- 9.3 Port Setup 149
- 9.3.2 Flow Control 151
- 9.3.3 Back Pressure 151
- 9.3.4 Broadcast Storms 154
- 9.3.5 Link Loss Alert 156
- 9.4.1 Commands 158
- 9.4.2 Port Setup 159
- 9.4.3 Broadcast Storms 162
- Chapter 10: VLAN 165
- VLAN CHAPTER 10: VLAN 166
- FIGURE 10–3: VLAN routing 166
- CHAPTER 10: VLAN VLAN 167
- 10.1.2 Tag VLAN vs. Port VLAN 167
- 10.2.1 Description 168
- 10.2.2 Commands 168
- Software 170
- 10.4.1 Description 174
- 10.4.2 Commands 174
- 10.4.3 Example 175
- VLAN type to be Tag VLAN 176
- ML2400(tag-vlan)## 178
- (continued on next page) 178
- 10.5.1 Description 181
- 11.1.3 GVRP Operations 188
- FIGURE 11–1: GVRP operation 188
- 754722A1.CDR 189
- 11.2.1 Commands 193
- 11.2.2 GVRP Operation Notes 193
- 11.3.1 Example 195
- Chapter 12: Spanning Tree 197
- 12.2 Configuring STP 199
- ML2400(stp)## 208
- 13.2.1 Normal RSTP 212
- 13.3.1 Normal RSTP 224
- Set > STP Type menu: 233
- 14.1.3 DiffServ and QoS 236
- FIGURE 14–1: ToS and DSCP 236
- 14.1.4 IP Precedence 236
- 754726A1.CDR 237
- Data +FCS 237
- ToS byte 237
- IP precedence 237
- 14.2.1 Commands 238
- 14.2.2 Example 240
- Configuring QoS (continued) 242
- ML2400(qos)## 242
- 14.3.1 Description 243
- Chapter 15: IGMP 247
- IGMP CHAPTER 15: IGMP 248
- CHAPTER 15: IGMP IGMP 249
- 15.1.3 IP Multicast Filters 250
- 15.1.5 IGMP Support 251
- 15.2.1 Commands 252
- 15.2.2 Example 254
- 15.3.1 Example 257
- Chapter 16: SNMP 259
- SNMP CHAPTER 16: SNMP 260
- CHAPTER 16: SNMP SNMP 261
- 16.2.1 Commands 262
- 16.2.2 Example 263
- 16.3.1 Example 268
- 16.4 Configuring RMON 271
- ML2400(rmon)## exit 272
- Chapter 17: Miscellaneous 273
- Alarm relays (continued) 277
- ML2400(alarm)## 277
- ML2400(alarm)## exit 277
- 17.2 E-mail 279
- 17.2.3 Example 281
- 17.3 Statistics 282
- 17.4 Serial Connectivity 284
- 17.4.1 Description 284
- 17.5 History 285
- 17.6 Ping 286
- 17.7 Prompt 287
- 17.8 System Events 288
- 17.8.3 EnerVista Example 289
- 17.9 Command Reference 291
- 17.9.2 Configuration commands 293
- Chapter 18: Modbus Protocol 299
- For example 300
- 18.1.3 EnerVista Settings 301
- 18.2 Memory Mapping 302
- 18.2.2 Format Codes 335
- Chapter 19: Appendix 337
- Section Description 338
- APPENDIX CHAPTER 19: APPENDIX 342
- 19.2 Warranty 342
- CHAPTER I: 343
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