55, multicast configuration experiment PIM Sparse mode static designation RP

1. PIM Sparse Mode Introduction

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2. Experimental topology

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3. Basic Configuration

R1 Configuration

Interface SERIAL0/1

IP address 12.1.1.1 255.255.255.0

Interface SERIAL0/2

IP address 14.1.1.1 255.255.255.0

Interface fastethernet1/0

IP address 13.1.1.1 255.255.255.0

router OSPF 110

Router-id 1.1.1.1

Network 12.1.1.0 0.0.0.255 Area 0

Network 13.1.1.0 0.0.0.255 Area 0

Network 14.1.1.0 0.0.0.255 Area 0

R2 Configuration

Interface serial0/0

IP address 25.1.1.2 255.255.255.0

Interface SERIAL0/1

IP address 12.1.1.2 255.255.255.0

router OSPF 110

Router-id 2.2.2.2

Network 12.1.1.0 0.0.0.255 Area 0

Default-information originate always

R3 Configuration

Interface fastethernet1/0

IP address 13.1.1.3 255.255.255.0

router OSPF 110

Router-id 3.3.3.3

Network 13.1.1.0 0.0.0.255 Area 0

R4 Configuration

Interface serial0/0

IP address 46.1.1.4 255.255.255.0

Interface SERIAL0/2

IP address 14.1.1.4 255.255.255.0

router OSPF 110

Router-id 4.4.4.4

Network 14.1.1.0 0.0.0.255 Area 0

R5 Configuration

Interface serial0/0

IP address 25.1.1.5 255.255.255.0

R6 Configuration

Interface serial0/0

IP address 46.1.1.6 255.255.255.0

No IP routing

IP Default-gateway 46.1.1.4

4. Configure PIM Sparse Mode

R1 Configuration

IP multicast-routing

Interface SERIAL0/1

IP PIM Sparse-mode

Interface SERIAL0/2

IP PIM Sparse-mode

Interface fastethernet1/0

IP PIM Sparse-mode

R2 Configuration

IP multicast-routing

Interface serial0/0

IP PIM sparse-mode

Interface SERIAL0/1

IP PIM Sparse-mode

R3 Configuration

IP multicast-routing

Interface fastethernet1/0

IP PIM Sparse-mode

R4 Configuration

IP multicast-routing

Interface serial0/0

IP PIM Sparse-mode

Interface SERIAL0/2

IP PIM Sparse-mode

R6 Configuration

Interface serial0/0

IP IGMP join-group 224.1.1.1

5. Static election RP

The static election RP needs to specify a set point RP on each PIM router, and this method elects the set point RP without backup redundancy.

R1 Configuration

Interface Loopback0

IP Address 1.1.1.1 255.255.255.0

router OSPF 110

Network 1.1.1.0 0.0.0.255 Area 0

IP PIM rp-address 1.1.1.1

R2 Configuration

IP PIM rp-address 1.1.1.1

R3 Configuration

IP PIM rp-address 1.1.1.1

R4 Configuration

IP PIM rp-address 1.1.1.1

6. Testing

The source does not send multicast traffic, R1, R4 between the formation of the RPT Tree, R2, R1 did not form any tree.

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The source encapsulates the multicast traffic to a unicast to the collection point RP, which, because there are receivers under the set point RP, will send multicast traffic to the recipient by the unicast solution sent by the source.

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The recipient then sends the (S,G) join message to the first hop router, eventually generating an SPT tree between the first hop router and the last hop router.

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7. Turn off automatic conversion switchover

To turn off auto-conversion switchover just configure it in the last hop router global configuration mode.

IP PIM spt-threshold Infinity

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This article is from the "Open Source Hall" blog, please be sure to keep this source http://kaiyuandiantang.blog.51cto.com/10699754/1725489

55, multicast configuration experiment PIM Sparse mode static designation RP