Web Management Guide-R06
Table Of Contents
- How to Use This Guide
- Contents
- Figures
- Tables
- Getting Started
- Web Configuration
- Using the Web Interface
- Basic Management Tasks
- Displaying System Information
- Displaying Hardware/Software Versions
- Configuring Support for Jumbo Frames
- Displaying Bridge Extension Capabilities
- Managing System Files
- Setting the System Clock
- Configuring the Console Port
- Configuring Telnet Settings
- Displaying CPU Utilization
- Displaying Memory Utilization
- Stacking
- Resetting the System
- Interface Configuration
- VLAN Configuration
- Address Table Settings
- Spanning Tree Algorithm
- Congestion Control
- Class of Service
- Quality of Service
- VoIP Traffic Configuration
- Security Measures
- AAA (Authentication, Authorization and Accounting)
- Configuring User Accounts
- Web Authentication
- Network Access (MAC Address Authentication)
- Configuring HTTPS
- Configuring the Secure Shell
- Access Control Lists
- Setting a Time Range
- Showing TCAM Utilization
- Setting the ACL Name and Type
- Configuring a Standard IPv4 ACL
- Configuring an Extended IPv4 ACL
- Configuring a Standard IPv6 ACL
- Configuring an Extended IPv6 ACL
- Configuring a MAC ACL
- Configuring an ARP ACL
- Binding a Port to an Access Control List
- Configuring ACL Mirroring
- Showing ACL Hardware Counters
- ARP Inspection
- Filtering IP Addresses for Management Access
- Configuring Port Security
- Configuring 802.1X Port Authentication
- DoS Protection
- IPv4 Source Guard
- IPv6 Source Guard
- DHCP Snooping
- Basic Administration Protocols
- Configuring Event Logging
- Link Layer Discovery Protocol
- Power over Ethernet
- Simple Network Management Protocol
- Configuring Global Settings for SNMP
- Setting the Local Engine ID
- Specifying a Remote Engine ID
- Setting SNMPv3 Views
- Configuring SNMPv3 Groups
- Setting Community Access Strings
- Configuring Local SNMPv3 Users
- Configuring Remote SNMPv3 Users
- Specifying Trap Managers
- Creating SNMP Notification Logs
- Showing SNMP Statistics
- Remote Monitoring
- Switch Clustering
- Ethernet Ring Protection Switching
- Connectivity Fault Management
- Configuring Global Settings for CFM
- Configuring Interfaces for CFM
- Configuring CFM Maintenance Domains
- Configuring CFM Maintenance Associations
- Configuring Maintenance End Points
- Configuring Remote Maintenance End Points
- Transmitting Link Trace Messages
- Transmitting Loop Back Messages
- Transmitting Delay-Measure Requests
- Displaying Local MEPs
- Displaying Details for Local MEPs
- Displaying Local MIPs
- Displaying Remote MEPs
- Displaying Details for Remote MEPs
- Displaying the Link Trace Cache
- Displaying Fault Notification Settings
- Displaying Continuity Check Errors
- OAM Configuration
- UDLD Configuration
- Multicast Filtering
- Overview
- Layer 2 IGMP (Snooping and Query for IPv4)
- Configuring IGMP Snooping and Query Parameters
- Specifying Static Interfaces for a Multicast Router
- Assigning Interfaces to Multicast Services
- Setting IGMP Snooping Status per Interface
- Filtering IGMP Query Packets and Multicast Data
- Displaying Multicast Groups Discovered by IGMP Snooping
- Displaying IGMP Snooping Statistics
- Filtering and Throttling IGMP Groups
- MLD Snooping (Snooping and Query for IPv6)
- Layer 3 IGMP (Query used with Multicast Routing)
- Multicast VLAN Registration for IPv4
- Multicast VLAN Registration for IPv6
- IP Configuration
- IP Services
- General IP Routing
- Configuring Router Redundancy
- Unicast Routing
- Overview
- Configuring the Routing Information Protocol
- Configuring General Protocol Settings
- Clearing Entries from the Routing Table
- Specifying Network Interfaces
- Specifying Passive Interfaces
- Specifying Static Neighbors
- Configuring Route Redistribution
- Specifying an Administrative Distance
- Configuring Network Interfaces for RIP
- Displaying RIP Interface Settings
- Displaying Peer Router Information
- Resetting RIP Statistics
- Configuring the Open Shortest Path First Protocol (Version 2)
- Defining Network Areas Based on Addresses
- Configuring General Protocol Settings
- Displaying Administrative Settings and Statistics
- Adding an NSSA or Stub
- Configuring NSSA Settings
- Configuring Stub Settings
- Displaying Information on NSSA and Stub Areas
- Configuring Area Ranges (Route Summarization for ABRs)
- Redistributing External Routes
- Configuring Summary Addresses (for External AS Routes)
- Configuring OSPF Interfaces
- Configuring Virtual Links
- Displaying Link State Database Information
- Displaying Information on Neighboring Routers
- Multicast Routing
- Appendices
- Glossary
- Index
Chapter 14
| Multicast Filtering
Layer 2 IGMP (Snooping and Query for IPv4)
– 549 –
◆ IGMP Querier – A router, or multicast-enabled switch, can periodically ask their
hosts if they want to receive multicast traffic. If there is more than one router/
switch on the LAN performing IP multicasting, 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 switch/router to
ensure that it will continue to receive the multicast service.
Note:
Multicast routers use this information from IGMP snooping and query
reports, along with a multicast routing protocol such as DVMRP or PIM, to support
IP multicasting across the Internet.
Parameters
These parameters are displayed:
◆ IGMP Snooping Status – When enabled, the switch will monitor network
traffic to determine which hosts want to receive multicast traffic. This is referred
to as IGMP Snooping. (Default: Enabled)
When IGMP snooping is enabled globally, the per VLAN interface settings for
IGMP snooping take precedence (see “Setting IGMP Snooping Status
per Interface” on page 556).
When IGMP snooping is disabled globally, snooping can still be configured per
VLAN interface, but the interface settings will not take effect until snooping is
re-enabled globally.
◆ Proxy Reporting Status – Enables IGMP Snooping with Proxy Reporting.
(Default: Disabled)
When proxy reporting is enabled with this command, the switch performs
“IGMP Snooping with Proxy Reporting” (as defined in DSL Forum TR-101, April
2006), including last leave, and query suppression.
Last leave sends out a proxy query when the last member leaves a multicast
group, and query suppression means that specific queries are not forwarded
from an upstream multicast router to hosts downstream from this device.
When proxy reporting is disabled, all IGMP reports received by the switch are
forwarded natively to the upstream multicast routers.
◆ TCN Flood – Enables flooding of multicast traffic if a spanning tree topology
change notification (TCN) occurs. (Default: Disabled)
When a spanning tree topology change occurs, the multicast membership
information learned by switch may be out of date. For example, a host linked to
one port before the topology change (TC) may be moved to another port after
the change. To ensure that multicast data is delivered to all receivers, by
default, a switch in a VLAN (with IGMP snooping enabled) that receives a Bridge
Protocol Data Unit (BPDU) with TC bit set (by the root bridge) will enter into
“multicast flooding mode” for a period of time until the topology has stabilized
and the new locations of all multicast receivers are learned.