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Chapter 2

956651

IP Multicast in a Campus Network

IP Multicast Small Campus Design

access-list 1 permit 239.192.240.0 0.0.3.255 access-list 1 permit 239.192.244.0 0.0.3.255 access-list 1 permit 239.192.248.0 0.0.3.255 access-list 1 permit 239.255.0.0 0.0.3.255

The following example shows the configuration of “4kS3-right-BB.” This switch is configured for Auto-RP and is the HSRP active device.

ip multicast-routing ! interface Loopback0 description Interface used for RP/MA ip address 1.1.1.2 255.255.255.255 ip pim sparse-dense-mode ! interface Vlan2 description Data VLAN 2 ip address 10.1.2.3 255.255.255.0 ip pim sparse-dense-mode standby 2 ip 10.1.2.1 standby 2 priority 120 preempt

! ! interface Vlan3 description Data VLAN 3 ip address 10.1.3.3 255.255.25 ip pim sparse-dense-mode standby 3 ip 10.1.3.1 standby 3 priority 120 preempt ip cgmp ! interface Vlan10 description Server Farm VLAN 1 ip address 10.1.10.3 255.255.2 ip pim sparse-dense-mode standby 10 ip 10.1.10.1 standby 10 priority 120 preemp ! interface Vlan11 description Server Farm VLAN 1 ip address 10.1.11.3 255.255.2 ip pim sparse-dense-mode standby 11 ip 10.1.11.1 standby 11 priority 120 preemp ! interface Vlan12 description Voice VLAN 12 ip address 10.1.12.3 255.255.2 ip pim sparse-dense-mode standby 12 ip 10.1.12.1 standby 12 priority 120 preemp ! interface Vlan13 description Voice VLAN 13 ip address 10.1.13.3 255.255.2 ip pim sparse-dense-mode standby 13 10.1.13.1 standby 13 priority 120 preemp ip cgmp

5.0

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1 - IP/TV 55.0

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Enables IP multicast routing globally.

Creates an interface used for RP and Mapping Agent operation.

Enables sparse-dense mode on each interface.

Because priority 120 is more than 110 (on the left switch), this device will be the HSRP active.

VLAN 3 connects to 3524-right-access, which supports only CGMP.

Enables CGMP Server.

VLAN 13 connects to 3524-right-access, which supports only CGMP.

Enables CGMP Server.

!

Cisco AVVID Network Infrastructure IP Multicast Design

2-11

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