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Configuration Guide - IP Multicast

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, PIM (IPv4), PIM (IPv6), MSDP, multicast VPN, multicast route management (IPv4), multicast route management (IPv6), IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN, multicast network management.
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Setting the Lifetime of a Multicast Source in IPv4 PIM-DM

Setting the Lifetime of a Multicast Source in IPv4 PIM-DM

Pre-configuration Tasks

Before setting the lifetime of a multicast source, complete the following task:

Configuring Basic IPv4 PIM-DM Functions

Context

After a PIM device receives a multicast packet from a multicast source, it starts a timer for the (S, G) entry and sets the timer to the lifetime of the source. If the device receives a packet from the source before the timer expires, it resets the timer. If the device does not receive any multicast packet from the source within the lifetime of the source, it considers the corresponding (S, G) entry invalid and deletes this entry.

Default Settings

Table 4-8 lists default settings of control parameters for a multicast source.

Table 4-8 Default settings of multicast source control parameters
Parameter Default Setting

Keepalive period of a multicast source

210s

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run pim

    The PIM view is displayed.

  3. Run source-lifetime interval

    The lifetime of a multicast source is configured.

  4. Run commit

    The configuration is committed.

Verifying the Configuration

Run the following commands to check the PIM routing table.

  • Run the display pim routing-table [ group-address [ mask { group-mask-length | group-mask } ] | source-address [ mask { source-mask-length | source-mask } ] | incoming-interface { interface-type interface-number | register } | outgoing-interface { include | exclude | match } { interface-type interface-number | register | none } | mode dm | flags flag-value | fsm ] * [ outgoing-interface-number [ number ] ] command to check detailed information about the PIM routing table.

  • Run the display pim routing-table brief [ group-address [ mask { group-mask-length | group-mask } ] | source-address [ mask { source-mask-length | source-mask } ] | incoming-interface { interface-type interface-number | register } ] * command to check brief information about the PIM routing table.

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Updated: 2019-04-20

Document ID: EDOC1100039595

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