Cisco Catalyst 4500 Series Administration Guide

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Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL_28731-01
Chapter 37 Configuring IP Multicast
Configuring IP Multicast Routing
When an interface is treated in sparse mode, it is populated in a multicast routing table’s outgoing
interface list when either of the following is true:
• When members or DVMRP neighbors exist on the interface
• When an explicit join has been received by a PIM neighbor on the interface
To enable PIM to operate in the same mode as the group, enter this command:
Enabling Bidirectional Mode
Most of the configuration requirements for Bidir-PIM are the same as those for configuring PIM-SM.
You need not enable or disable an interface for carrying traffic for multicast groups in bidirectional
mode. Instead, you configure which multicast groups you want to operate in bidirectional mode. Similar
to PIM-SM, you can perform this configuration with Auto-RP, static RP configurations, or the PIM
Version 2 bootstrap router (PIMv2 BSR) mechanism.
To enable Bidir-PIM, perform this task in global configuration mode:
To configure Bidir-PIM, enter one of these commands, depending on which method you use to distribute
group-to-RP mappings:
Command Purpose
Switch(config-if)# ip pim
sparse-dense-mode
Enables PIM to operate in sparse or dense mode,
depending on the group.
Command Purpose
Switch(config)# ip pim bidir-enable
Enables bidir-PIM on a switch.
Command Purpose
Switch(config)# ip pim rp-address
rp-address [access-list] [override]
bidir
Configures the address of a PIM RP for a particular
group, and specifies bidirectional mode.
Use this command when you are not distributing
group-to-RP mappings using either Auto-RP or the
PIMv2 BSR mechanism
Switch(config)# ip pim rp-candidate
type number [group-list access-list]
bidir
Configures the router to advertise itself as a PIM
Version 2 candidate RP to the BSR, and specifies
bidirectional mode.
Use this command when you are using the PIMv2 BSR
mechanism to distribute group-to-RP mappings.
Switch(config)# ip pim send-rp-address
type number scope ttl-value
[group-list access-list] [interval
seconds] bidir
Configures the router to use Auto-RP to configure the
groups the router is willing to act as RP, and specifies
bidirectional mode.
Use this command when you are using Auto-RP to
distribute group-to-RP mappings.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E