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Cisco Catalyst 4500 Series Administration Guide

Cisco Catalyst 4500 Series
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37-29
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL_28731-01
Chapter 37 Configuring IP Multicast
Configuration Examples
PIM Sparse Mode Example
This example is a configuration of sparse-mode PIM. The RP router is the router with the address
10.8.0.20.
ip multicast-routing
ip pim rp-address 10.8.0.20 1
interface ethernet 1
ip pim sparse-mode
Bidirectional PIM Mode Example
By default, a bidirectional RP advertises all groups as bidirectional. Use an access list on the RP to
specify a list of groups to be advertised as bidirectional. Groups with the deny keyword operate in dense
mode. A different, nonbidirectional RP address is required for groups that operate in sparse mode,
because a single access list only allows either a permit or deny keyword.
The following example shows how to configure an RP for both sparse and bidirectional mode groups.
224/8 and 227/8 are bidirectional groups, 226/8 is sparse mode, and 225/8 is dense mode. The RP must
be configured to use different IP addresses for sparse and bidirectional mode operations. Two loopback
interfaces are used to allow this configuration and the addresses of these interfaces must be routed
throughout the PIM domain so that the other routers in the PIM domain can receive Auto-RP
announcements and communicate with the RP:
ip multicast-routing !Enable IP multicast routing
ip pim bidir-enable !Enable bidir-PIM
!
interface loopback 0
description One Loopback address for this routers Bidir Mode RP function
ip address 10.0.1.1 255.255.255.0
ip pim sparse-dense-mode
!
interface loopback 1
description One Loopback address for this routers Sparse Mode RP function
ip address 10.0.2.1 255.255.255.0
ip pim sparse-dense-mode
ip pim send-rp-announce Loopback0 scope 10 group-list 45 bidir
ip pim send-rp-announce Loopback1 scope 10 group-list 46
ip pim send-rp-discovery scope 10
access-list 45 permit 224.0.0.0 0.255.255.255
access-list 45 permit 227.0.0.0 0.255.255.255
access-list 45 deny 225.0.0.0 0.255.255.255
access-list 46 permit 226.0.0.0 0.255.255.255
Sparse Mode with a Single Static RP Example
The following example sets the PIM RP address to 192.168.1.1 for all multicast groups and defines all
groups to operate in sparse mode:
ip multicast-routing
interface ethernet 1
ip pim sparse-mode
ip pim rp-address 192.168.1.1
no ip pim dm-fallback
Note The same RP cannot be used for both bidirectional and sparse mode groups.

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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