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53-1003085-02
17 February 2014
FastIron Ethernet Switch IP
Multicast
Configuration Guide
Supporting FastIron Software Release 08.0.10a
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© 2014, Brocade Communications Systems, Inc. All Rights Reserved. Brocade, the B-wing symbol, Brocade Assurance, ADX, AnyIO, DCX, Fabric OS, FastIron, HyperEdge, ICX, MLX, MyBrocade, NetIron, OpenScript, VCS, VDX, and Vyatta are registered trademarks, and The Effortless Network and the On-Demand Data Center are trademarks of Brocade Communications Systems, Inc., in the United States and in other countries. Other brands and product names mentioned may be trademarks of others. Notice: This docume
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Contents Preface..................................................................................................................................... 7 Document conventions......................................................................................7 Text formatting conventions.................................................................. 7 Command syntax conventions.............................................................. 7 Notes, cautions, and warnings........................
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Enabling IGMP V3 membership tracking and fast leave for the VLAN........................................................................................... 24 Enabling fast leave for IGMP V2.......................................................25 Enabling fast convergence ...............................................................25 IGMP snooping show commands................................................................. 26 Displaying the IGMP snooping configuration......................
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Configuring the MLD version for individual ports................................ 53 Configuring static groups.................................................................... 53 Configuring static router ports............................................................. 53 Disabling static group proxy................................................................ 53 Enabling MLDv2 membership tracking and fast leave for the VLAN.................................................................
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Initiating PIM multicasts on a network...............................................82 Pruning a multicast tree.................................................................... 82 Grafts to a multicast tree...................................................................84 PIM DM versions...............................................................................85 Configuring PIM DM .........................................................................85 Failover time in a multi-pat
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IGMP proxy limitations...................................................................... 144 Configuring IGMP Proxy................................................................... 144 Filtering groups in proxy report messages........................................ 145 Displaying IGMP Proxy information.................................................. 145 IGMP V3........................................................................................................147 Default IGMP version
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Clearing IPv6 MLD traffic................................................................ 206 Clearing the IPv6 MLD group membership table cache................. 206 IPv6 Multicast Boundaries...........................................................................206 Configuration considerations...........................................................207 Configuring multicast boundaries....................................................207 Displaying multicast boundaries....................
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Preface ● Document conventions......................................................................................................7 ● Brocade resources............................................................................................................ 9 ● Getting technical help........................................................................................................9 ● Document feedback.......................................................................................
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Notes, cautions, and warnings Convention Description value In Fibre Channel products, a fixed value provided as input to a command option is printed in plain text, for example, --show WWN. Syntax components displayed within square brackets are optional. [ ] Default responses to system prompts are enclosed in square brackets. { x | y | z } A choice of required parameters is enclosed in curly brackets separated by vertical bars. You must select one of the options. In Fibre Channel products, square
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Brocade resources Brocade resources Visit the Brocade website to locate related documentation for your product and additional Brocade resources. You can download additional publications supporting your product at www.brocade.com. • Adapter documentation is available on the Downloads and Documentation for Brocade Adapters page. Select your platform and scroll down to the Documentation section. • For all other products, select the Brocade Products tab to locate your product, then click the Brocade
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Document feedback Document feedback To send feedback and report errors in the documentation you can use the feedback form posted with the document or you can e-mail the documentation team. Quality is our first concern at Brocade and we have made every effort to ensure the accuracy and completeness of this document. However, if you find an error or an omission, or you think that a topic needs further development, we want to hear from you. You can provide feedback in two ways: • Through the online
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About This Guide ● Introduction..................................................................................................................... 11 ● What’s new in this document.......................................................................................... 11 ● How command information is presented in this guide.....................................................12 Introduction This guide includes procedures for configuring the software. The software procedures show how to perform
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How command information is presented in this guide How command information is presented in this guide For all new content, command syntax and parameters are documented in a separate command reference section at the end of the publication. In an effort to provide consistent command line interface (CLI) documentation for all products, Brocade is in the process of preparing standalone Command References for the IP platforms. This process involves separating command syntax and parameter descriptions
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IPv4 Multicast Traffic Reduction ● Supported IPv4 Multicast Traffic Reduction.................................................................... 13 ● IGMP snooping overview................................................................................................ 13 ● IGMP snooping configuration..........................................................................................17 ● IGMP snooping show commands............................................................................
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Queriers and non-queriers membership information by processing the IGMP reports and leave messages, so traffic can be forwarded to ports receiving IGMP reports. An IPv4 multicast address is a destination address in the range of 224.0.0.0 to 239.255.255.255. Addresses of 224.0.0.X are reserved. Because packets destined for these addresses may require VLAN flooding, devices do not snoop in the reserved range. Data packets destined to addresses in the reserved range are flooded to the entire VLAN b
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VLAN-specific configuration multiple devices are configured as queriers, Brocade recommends that only one device (preferably the one with the traffic source) is configured as a querier. The non-queriers always forward multicast data traffic and IGMP messages to router ports which receive IGMP queries or PIM hellos. Brocade recommends that you configure the device with the data traffic source (server) as a querier. If a server is attached to a non-querier, the non-querier always forwards traffic
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MAC-based forwarding implementation on FastIron X Series devices On both switch and router software images, IGMP snooping is either *,G based or S,G based. The hardware can either match the group address only (* G), or both the source and group (S, G) of the data stream. This is 32-bit IP address matching, not 23-bit multicast MAC address 01-00-5e-xx-xx-xx matching. When any port in a VLAN is configured for IGMP v3, the VLAN matches both source and group (S, G) in hardware switching. If no ports
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IGMP snooping configuration • A user can configure static router ports to force all multicast traffic to these specific ports. • If a VLAN has a connection to a PIM-enabled port on another router, the VLAN must be configured as a non-querier (passive). When multiple snooping devices connect together and there is no connection to PIM ports, one device must be configured as a querier (active). If multiple devices are configured as active (queriers), only one will keep sending queries after exchang
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IGMP snooping mcache entries and group addresses • Configuring the IGMP mode for a VLAN (active or passive) • Disabling IGMP snooping on a VLAN • Configuring the IGMP version for a VLAN • Configuring static router ports • Turning off static group proxy • Enabling IGMP V3 membership tracking and fast leave for the VLAN • Enabling fast leave for IGMP • Enabling fast convergence Perform the following port-specific IGMP snooping task: • Configuring the IGMP version for individual ports in a VLAN IGM
