User's Manual
Table Of Contents
- 1. INTRODUCTION
- 2. INSTALLATION
- 3. SWITCH MANAGEMENT
- 4. WEB CONFIGURATION
- 4.1 Main Web Page
- 4.2 System
- 4.3 Port Management
- 4.4 Link Aggregation
- 4.5 VLAN
- 4.5.1 VLAN Overview
- 4.5.2 IEEE 802.1Q VLAN
- 4.5.3 Management VLAN
- 4.5.4 Create VLAN
- 4.5.5 Interface Settings
- 4.5.6 Port to VLAN
- 4.5.7 Port VLAN Membership
- 4.5.8 Protocol VLAN Group Setting
- 4.5.9 Protocol VLAN Port Setting
- 4.5.10 GVRP Setting
- 4.5.11 GVRP Port Setting
- 4.5.12 GVRP VLAN
- 4.5.13 GVRP Statistics
- 4.5.14 VLAN setting example:
- 4.6 Spanning Tree Protocol
- 4.7 Multicast
- 4.8 Quality of Service
- 4.9 Security
- 4.10 ACL
- 4.11 MAC Address Table
- 4.12 LLDP
- 4.13 Diagnostics
- 4.14 RMON
- 4.15 Power over Ethernet
- 4.16 Maintenance
- 5. SWITCH OPERATION
- 6. TROUBLESHOOTING
- APPENDIX A
- EC Declaration of Conformity
User’s Manual of LRP-822CS/LRP-1622CS
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sages that are specific to a given group.
The states a computer will go through to join or to leave a multicast group are shown below:
message, and query mes
Figure 4-7-6 IGMP State Transitions
IGMP Quer
A router, or multicast-enabled switch, can periodically ask their hosts if they want to receive multicast traffic. If there is more
than one rou tch o g, one of these devices is elected “querier” and assumes the
role of querying the LAN for group members. It then propagates the service requests on to any upstream multicast
ier –
ter/swi n the LAN performing IP multicastin
switch/router to ensure that it will continue to receive the multicast service.
Multicast routers use this information, along with a multicast routing protocol such as
ternet. DVMRP or PIM, to support IP multicasting across the In