Avaya Configuring IP Multicasting Services Manual do Utilizador

Part No. 114064 Rev. BMay 1997Router Software Version 11.02Site Manager Software Version 5.02 Configuring IP Multicasting Services

x 114064 Rev. B Bay Networks Software License (continued) 9. Licensee shall not reverse assemble, reverse compile, or in any way reverse engineer t

Configuring IP Multicasting ServicesA-10 114064 Rev. BDVMRP Tunnel ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > M

Site Manager Multicast Parameters114064 Rev. B A-11 Parameter: ThresholdPath: Configuration Manager > Protocols > IP > Multicast > DVMRP &g

Configuring IP Multicasting ServicesA-12 114064 Rev. BIGMP ParametersThis section describes the IGMP global configuration, static host, and entry inter

Site Manager Multicast Parameters114064 Rev. B A-13 IGMP Global Configuration ParametersParameter: EnablePath: Configuration Manager > Protocols >

Configuring IP Multicasting ServicesA-14 114064 Rev. BIGMP Static Host ParametersParameter: DebugPath: Configuration Manager > Protocols > IP >

Site Manager Multicast Parameters114064 Rev. B A-15 IGMP Entry Interface ParametersParameter: Static Group PrefixPath: Configuration Manager > Protoc

Configuring IP Multicasting ServicesA-16 114064 Rev. BParameter: Interface Query RatePath: Configuration Manager > Protocols > IP > Multicast

Site Manager Multicast Parameters114064 Rev. B A-17 IP Configuration ParametersParameter: Max Host Response TimePath: Configuration Manager > Protoco

Configuring IP Multicasting ServicesA-18 114064 Rev. BParameter: Transmit Bcast AddrPath: Select IP from the Select Protocols window and click on OK.D

Site Manager Multicast Parameters114064 Rev. B A-19 ST2 ParametersThis section describes the ST2 global, interface, and Neighbors Forwarding Table par

114064 Rev. B xi Contents About This Guide Before You Begin ...

Configuring IP Multicasting ServicesA-20 114064 Rev. BST2 Interface ParametersParameter: Tunneling EnablePath: Configuration Manager > Protocols >

Site Manager Multicast Parameters114064 Rev. B A-21 Parameter: Accept Time OutPath: Configuration Manager > Protocols > IP > ST2 > Interfac

Configuring IP Multicasting ServicesA-22 114064 Rev. BParameter: Disconnect Time OutPath: Configuration Manager > Protocols > IP > ST2 > In

Site Manager Multicast Parameters114064 Rev. B A-23 Parameter: HID Change RetryPath: Configuration Manager > Protocols > IP > ST2 > Interfa

Configuring IP Multicasting ServicesA-24 114064 Rev. BST2 Neighbors Forwarding Table ParametersParameter: Hello Time OutPath: Configuration Manager >

Site Manager Multicast Parameters114064 Rev. B A-25 Parameter: Route Exploration CapabilityPath: Configuration Manager > Protocols > IP > ST2

Configuring IP Multicasting ServicesA-26 114064 Rev. BParameter: Neighbor Priority LevelPath: Configuration Manager > Protocols > IP > ST2 >

Site Manager Multicast Parameters114064 Rev. B A-27 Resource Manager ParametersParameter: Estimated BandwidthPath: Configuration Manager > XCVR, HSS

Configuring IP Multicasting ServicesA-28 114064 Rev. BParameter: Traffic Queuing AlgorithmPath: Configuration Manager > XCVR, HSSI, MCT1, or COM Conn

Site Manager Multicast Parameters114064 Rev. B A-29 Parameter: Bandwidth Interval (Secs)Path: Configuration Manager > XCVR, HSSI, MCT1, or COM Conne

xii 114064 Rev. B Configuring IGMP on the Router ...3-3Enabling and

Configuring IP Multicasting ServicesA-30 114064 Rev. BParameter: Unreserved Policing AlgorithmPath: Configuration Manager > XCVR, HSSI, MCT1, or COM

Site Manager Multicast Parameters114064 Rev. B A-31 Parameter: Multiline Select AlgorithmPath: Configuration Manager > XCVR, HSSI, MCT1, or COM Conn

Configuring IP Multicasting ServicesA-32 114064 Rev. BParameter: Reservation LatencyPath: Configuration Manager > XCVR, HSSI, MCT1, or COM Connector

114064 Rev. B Index-1Aagent, defined, 5-2BBay Networks Press, xxivBay Networks World Wide Web page, xxvCconnect requestforwarding downstream, 5-10recei

Index-2 114064 Rev. BIIGMP (Internet Group Management Protocol), 1-1IGMP parametersentryDesignated Router Timeout, A-16Enable, A-15Interface Membershi

114064 Rev. B Index-3SSCMP (Stream Control Message Protocol), 5-4ST2 parametersglobalEnable, A-19Tunneling Enable, A-20Tunnelling Capability, 5-13, A-

114064 Rev. B xiiiConfiguring DVMRP on a Circuit ...4-13Enabling and D

xiv 114064 Rev. B Configuring ST2 on the Router ...5-12Enabling and

114064 Rev. B xv Appendix ASite Manager Multicast Parameters DVMRP Parameters ...

114064 Rev. B xvii Figures Figure 4-1. Multicast Routers ...4-3Figu

114064 Rev. B xix Tables Table 4-1. Routing Table Entry Items ...4-5Table 4-2. F

ii 114064 Rev. B 4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1988–1997 Bay Networks, Inc. All ri

114064 Rev. B xxi About This Guide If you are responsible for configuring and managing Bay Networks ® routers, you need to read this guide. Before

Configuring IP Multicasting Servicesxxii 114064 Rev. B Conventions angle brackets (< >) Indicate that you choose the text to enter based on the

About This Guide 114064 Rev. B xxiii Acronyms AUI Attachment Unit InterfaceBOOTP Bootstrap ProtocolBRI Basic Rate InterfaceCCITT International Teleg

Configuring IP Multicasting Servicesxxiv 114064 Rev. B Ordering Bay Networks Publications To purchase additional copies of this document or other Bay

About This Guide 114064 Rev. B xxv How to Get Help If you purchased a service contract for your Bay Networks product from a distributor or authorize

114064 Rev. B 1-1 Chapter 1Multicasting OverviewThe following sections describe IP multicasting concepts and terminology:• Multicast Host Groups --

Configuring IP Multicasting Services1-2 114064 Rev. BAn IP multicasting host group can consist of zero or more members and places no restrictions on i

Multicasting Overview114064 Rev. B 1-3 Multicast ProtocolsAn IP router fully configured for multicasting runs a host group membership protocol and a mu

114064 Rev. B iii USA Requirements Only Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice This equipment generates,

114064 Rev. B 2-1 Chapter 2Starting IP Multicasting ServicesThe following sections explain how to configure IP multicast services using all available d

Configuring IP Multicasting Services2-2 114064 Rev. B2. Supply the following information:• An IP address for this interface. There is no default for t

Starting IP Multicasting Services114064 Rev. B 2-3 Starting ST2This section shows you how to start ST2 using all default values and settings. For info

Configuring IP Multicasting Services2-4 114064 Rev. B• An associated IP address. If you are configuring an unnumbered IP interface, use Site Manager to

114064 Rev. B 3-1 Chapter 3Customizing IGMPThis chapter consists of the following sections describing the Internet Group Management Protocol (IGMP):•

Configuring IP Multicasting Services3-2 114064 Rev. BIGMP Concepts and TerminologyThe IGMP allows a host to register its local network with the local

Customizing IGMP114064 Rev. B 3-3 If at least one host on the local network specifies that it is a member of a given group, the router will forward to

Configuring IP Multicasting Services3-4 114064 Rev. BEstimating the Number of GroupsBy default, IGMP estimates that 20 groups will be simultaneously a

Customizing IGMP114064 Rev. B 3-5 Configuring IGMP on an InterfaceThe following sections show you how to configure interface-specific IGMP features using

iv 114064 Rev. B Japan/Nippon Requirements Only Voluntary Control Council for Interference (VCCI) StatementVoluntary Control Council for Interferenc

Configuring IP Multicasting Services3-6 114064 Rev. BSpecifying a Membership Timeout IntervalBy default, a local group membership is valid for 260 sec

Customizing IGMP114064 Rev. B 3-7 Configuring a Static Host EntryA network may include a member of a multicast group that is unable to register its net

114064 Rev. B 4-1 Chapter 4Customizing DVMRPThis chapter consists of the following sections describing the Distance Vector Multicast Routing Protocol

Configuring IP Multicasting Services4-2 114064 Rev. B• Configuring a Tunnel -- page 4-16Selecting the Encapsulation Mode -- page 4-16Specifying the Cos

Customizing DVMRP114064 Rev. B 4-3 Figure 4-1. Multicast RoutersAt startup, a DVMRP multicasting router1. Initializes its routing table with informati

Configuring IP Multicasting Services4-4 114064 Rev. BIn Figure 4-1, for example, Router D becomes active and issues routing probes on four multicastin

Customizing DVMRP114064 Rev. B 4-5 In Figure 4-1, for example, Router D receives two reports for the network connected to multicasting Router A, one f

Configuring IP Multicasting Services4-6 114064 Rev. BOnce DVMRP has received a multicast datagram on an interface and flooded the datagram to its neigh

Customizing DVMRP114064 Rev. B 4-7 If neighboring routers have the same metric to a given source network, the router with the lower IP address will be

114064 Rev. B v Canada Requirements Only Canada CS-03 Rules and Regulations Note: The Canadian Department of Communications label identifies certifi

Configuring IP Multicasting Services4-8 114064 Rev. BConfiguring Tree PruningIf a host drops out of a multicast group, multicast routers may continue t

Customizing DVMRP114064 Rev. B 4-9 Configuring DVMRP TimersWhen a router adds or updates a route, it uses configurable aging timers to control the usefu

Configuring IP Multicasting Services4-10 114064 Rev. BSetting the Neighbor Report TimerThe neighbor report timer specifies how long the router waits to

Customizing DVMRP114064 Rev. B 4-11 Specifying a Probe IntervalThe probe interval determines how often DVMRP sends a probe on interfaces from which no

Configuring IP Multicasting Services4-12 114064 Rev. BNote that routes are kept on a per-source-network basis, independent of multicast groups. The nu

Customizing DVMRP114064 Rev. B 4-13 Configuring DVMRP on a CircuitThe following sections describe DVMRP circuit-specific features.Enabling and Disabling

Configuring IP Multicasting Services4-14 114064 Rev. BWe recommend the following values:Specifying a ThresholdThreshold values control the scope of da

Customizing DVMRP114064 Rev. B 4-15 Configuring a Forwarding TableTo keep to a minimum the amount of time that it spends looking up routes, DVMRP creat

Configuring IP Multicasting Services4-16 114064 Rev. BDisabling Advertisement of Local NetworksBy default, DVMRP advertises its own local networks ove

Customizing DVMRP114064 Rev. B 4-17 Specifying the CostBy default, DVMRP assigns a metric of 1 to a tunnel. You can use Site Manager to specify a cost

vi 114064 Rev. B Canada Requirements Only (continued) D. O. C. Explanatory Notes: Equipment Attachment Limitations The Canadian Department of Commu

Configuring IP Multicasting Services4-18 114064 Rev. BSupplying Addresses for the TunnelTo identify a unicast tunnel, you must supply the unicast IP a

114064 Rev. B 5-1 Chapter 5Customizing ST2 ServicesThis chapter consists of the following sections describing services provided by the Internet Stream

Configuring IP Multicasting Services5-2 114064 Rev. BST2 Concepts and TerminologyThe Internet Stream Protocol (ST2) enables a network application to r

Customizing ST2 Services114064 Rev. B 5-3 Figure 5-1. ST2 Point-to-Multipoint StreamVideo stream originVideo stream targetsST2ST2ST2ST2BayNet/ST2 1Bay

Configuring IP Multicasting Services5-4 114064 Rev. BStream Control Messages ST2 agents communicate with each other by exchanging messages defined by t

Customizing ST2 Services114064 Rev. B 5-5 Figure 5-2. ST2 NeighborsResource ManagerAn SCMP CONNECT request includes a flowspec that lists the communica

Configuring IP Multicasting Services5-6 114064 Rev. BST2 FeaturesTable 5-1 lists ST2 features and indicates the ones called out in RFC 1190, “Experime

Customizing ST2 Services114064 Rev. B 5-7 The Role of an ST2 Intermediate AgentThis section examines the role played by an intermediate ST2 agent runn

Configuring IP Multicasting Services5-8 114064 Rev. BFigure 5-3. Setting Up a Point-to-Point StreamVideo stream originVideo stream targetsST2 1ST2 2ST

Customizing ST2 Services114064 Rev. B 5-9 The ST2 agent on BayNet/ST2 1, using the information in the connection request:1. Negotiates a hop identifier

114064 Rev. B vii Canada Requirements Only (continued) Canadian Department of Communications Radio Interference Regulations This digital apparatus

Configuring IP Multicasting Services5-10 114064 Rev. BUsing the ST2 Neighbor Table (Exploratory Routing)In exploratory routing, the ST2 agent obtains

Customizing ST2 Services114064 Rev. B 5-11 Figure 5-4. Adding a Target to a StreamVideo stream originVideo stream targetsST2 1ST2 2ST2 3ST2 4BayNet/ST

Configuring IP Multicasting Services5-12 114064 Rev. BHow the Agent Forwards ST2 Data DownstreamAn ST agent receives data packets encapsulated by an S

Customizing ST2 Services114064 Rev. B 5-13 Configuring the Tunnel CapabilityBy default, ST2 does not have tunneling capability. If your network require

Configuring IP Multicasting Services5-14 114064 Rev. BSetting Interface Timers and CountersTable 5-2 lists the ST2 timers you can set using Site Manag

Customizing ST2 Services114064 Rev. B 5-15 Configuring the Neighbors Forwarding TableYou can use Site Manager to store the following information about

114064 Rev. B 6-1 Chapter 6Reserving Line ResourcesThe first part of this chapter provides an overview of the Resource Manager, a service for line reso

Configuring IP Multicasting Services6-2 114064 Rev. BAbout Line Resource ReservationEmerging realtime multicast applications for digitized voice and v

Reserving Line Resources114064 Rev. B 6-3 How the Resource Manager Works with ST2The following summarizes the exchange between the ST2 agent and the R

viii 114064 Rev. B T1 Service Compliance Statements T1 Service NOTE: This T1 Service notice applies to you only if you have received a single or dua

Configuring IP Multicasting Services6-4 114064 Rev. BFigure 6-1. MCT1 Logical Lines Window4.Select the Line Resources box.5. Click on Values.6. Click

Reserving Line Resources114064 Rev. B 6-5 The following Site Manager prompt appears (Figure 6-3):Figure 6-3. Creating the Line Resources Record7.Click

Configuring IP Multicasting Services6-6 114064 Rev. BConfiguring the Resource ManagerWhen you activate the Resource Manager, you must• Specify an estim

Reserving Line Resources114064 Rev. B 6-7 Setting the Estimated BandwidthTo activate resource reservation, enter the portion of this line’s bandwidth

Configuring IP Multicasting Services6-8 114064 Rev. BYou can select a priority queuing algorithm to schedule reserved traffic ahead of nonreserved traf

Reserving Line Resources114064 Rev. B 6-9 Setting the Inflate Reservations PercentageBy default, THE RESOURCE MANAGER does not add a safety buffer to e

Configuring IP Multicasting Services6-10 114064 Rev. BSpecifying the Unreserved Queue LengthIf the Unreserved Policing Algorithm parameter is set to Q

Reserving Line Resources114064 Rev. B 6-11 By default, the threshold is set to 0; the Resource Manager uses the simple first-fit algorithm. If you selec

Configuring IP Multicasting Services6-12 114064 Rev. BDisabling Line Resource ManagementYou can use the Configuration Manager to remove a line’s resour

Reserving Line Resources114064 Rev. B 6-13 The Edit Connector window appears (refer to Figure 6-2).3. Click on Edit Line Resources.The Edit Line Resou

114064 Rev. B ix Bay Networks Software License This Software License shall govern the licensing of all software provided to licensee by Bay Network

114064 Rev. B A-1 Appendix ASite Manager Multicast ParametersFor each line parameter associated with a multicast protocol or service, this appendix pr

Configuring IP Multicasting ServicesA-2 114064 Rev. BDVMRP Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Mu

Site Manager Multicast Parameters114064 Rev. B A-3 Parameter: Leaf TimeoutPath: Configuration Manager > Protocols > IP > Multicast > DVMRP

Configuring IP Multicasting ServicesA-4 114064 Rev. BParameter: Garbage TimeoutPath: Configuration Manager > Protocols > IP > Multicast > D

Site Manager Multicast Parameters114064 Rev. B A-5 Parameter: Neighbor Probe IntervalPath: Configuration Manager > Protocols > IP > Multicast

Configuring IP Multicasting ServicesA-6 114064 Rev. BParameter: Pruning EnablePath: Configuration Manager > Protocols > IP > Multicast > DV

Site Manager Multicast Parameters114064 Rev. B A-7 DVMRP Circuit ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Mul

Configuring IP Multicasting ServicesA-8 114064 Rev. BParameter: MetricPath: Configuration Manager > Protocols > IP > Multicast > DVMRP >

Site Manager Multicast Parameters114064 Rev. B A-9 Parameter: Forward Cache TTLPath: Configuration Manager > Protocols > IP > Multicast > D