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Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-02
Chapter 42 Configuring IP Multicast Routing
Configuring IP Multicast Routing
• They do not build multicast routing tables. Instead, they use the multicast routing table that is
distributed by the stack master.
Configuring IP Multicast Routing
These sections contain this configuration information:
• Default Multicast Routing Configuration, page 42-10
• Multicast Routing Configuration Guidelines, page 42-10
• Configuring Basic Multicast Routing, page 42-12 (required)
• Configuring PIM Stub Routing, page 42-13 (optional)
• Configuring a Rendezvous Point, page 42-14 (required if the interface is in sparse-dense mode, and
you want to treat the group as a sparse group)
• Using Auto-RP and a BSR, page 42-24 (required for non-Cisco PIMv2 devices to interoperate with
Cisco PIM v1 devices))
• Monitoring the RP Mapping Information, page 42-25 (optional)
• Troubleshooting PIMv1 and PIMv2 Interoperability Problems, page 42-25 (optional)
Default Multicast Routing Configuration
Table 42-2 shows the default multicast routing configuration.
Multicast Routing Configuration Guidelines
To avoid misconfiguring multicast routing on your switch, review the information in these sections:
• PIMv1 and PIMv2 Interoperability, page 42-11
• Auto-RP and BSR Configuration Guidelines, page 42-11
Table 42-2 Default Multicast Routing Configuration
Feature Default Setting
Multicast routing Disabled on all interfaces.
PIM version Version 2.
PIM mode No mode is defined.
PIM stub routing None configured.
PIM RP address None configured.
PIM domain border Disabled.
PIM multicast boundary None.
Candidate BSRs Disabled.
Candidate RPs Disabled.
Shortest-path tree threshold rate 0 kb/s.
PIM router query message interval 30 seconds.