56. The PIM Sparse mode of the multicast configuration experiment selects RP dynamically using AUTO-RP

1, AUTO-RP analysis

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2. Experimental topology

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3. Basic Configuration

R1 Configuration

Interface Loopback0

IP Address 1.1.1.1 255.255.255.0

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 1.1.1.0 0.0.0.255 Area 0

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 Loopback0

IP address 2.2.2.2 255.255.255.0

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 2.2.2.0 0.0.0.255 Area 0

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. AUTO-RP Dynamic election RP

The following rules apply to configuring AUTO-RP

1, PIM mode to be configured as Sparse-dense mode (when the sparse mode does not work, you can work in dense mode, the role of starting backup redundancy)

2, CRP, MA usually use the ring-back port, and need to pass into the IGP

3, MA Loopback port should also be configured as Sparese-dense mode

We're talking here R1 configuration for crp,r2 configured as Ma

R1 Configuration

Interface Loopback0

IP PIM Sparse-dense-mode

Interface SERIAL0/1

IP PIM Sparse-dense-mode

Interface SERIAL0/2

IP PIM Sparse-dense-mode

Interface fastethernet1/0

IP PIM Sparse-dense-mode

IP PIM send-rp-announce Loopback 0 Scope 8

R2 Configuration

Interface Loopback0

IP PIM Sparse-dense-mode

Interface serial0/0

IP PIM Sparse-dense-mode

Interface SERIAL0/1

IP PIM Sparse-dense-mode

IP PIM send-rp-discovery Loopback 0 Scope 8

R3 Configuration

Interface fastethernet1/0

IP PIM Sparse-dense-mode

R4 Configuration

Interface serial0/0

IP PIM Sparse-dense-mode

Interface SERIAL0/2

IP PIM Sparse-dense-mode

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56. The PIM Sparse mode of the multicast configuration experiment selects RP dynamically using AUTO-RP