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# R1 Rendezvous Point:
/interface bridge
add name=loopback
/ip address
add address=10.0.0.1 interface=loopback network=10.0.0.1
add address=10.0.1.1/24 interface=ether2 network=10.0.1.0
add address=10.0.2.1/24 interface=ether3 network=10.0.2.0
/routing ospf instance
add disabled=no name=ospf-instance-1 router-id=10.0.0.1
/routing ospf area
add disabled=no instance=ospf-instance-1 name=ospf-area-1
/routing ospf interface-template
add area=ospf-area-1 disabled=no interfaces=loopback,ether2,ether3
# R2:
/interface bridge
add name=loopback
/ip address
add address=10.0.0.2 interface=loopback network=10.0.0.2
add address=10.0.1.2/24 interface=ether1 network=10.0.1.0
add address=10.0.3.2/24 interface=ether2 network=10.0.3.0
add address=192.168.20.1/24 interface=ether12 network=192.168.20.0
/routing ospf instance
add disabled=no name=ospf-instance-1 router-id=10.0.0.2
/routing ospf area
add disabled=no instance=ospf-instance-1 name=ospf-area-1
/routing ospf interface-template
add area=ospf-area-1 disabled=no interfaces=loopback,ether1,ether2,ether12
# R3:
/interface bridge
add name=loopback
/ip address
add address=10.0.0.3 interface=loopback network=10.0.0.3
add address=10.0.2.3/24 interface=ether1 network=10.0.2.0
add address=10.0.3.3/24 interface=ether2 network=10.0.3.0
add address=192.168.30.1/24 interface=ether12 network=192.168.30.0
/routing ospf instance
add disabled=no name=ospf-instance-1 router-id=10.0.0.3
/routing ospf area
add disabled=no instance=ospf-instance-1 name=ospf-area-1
/routing ospf interface-template
add area=ospf-area-1 disabled=no interfaces=loopback,ether1,ether2,ether12 |
As in the previous example with a single router, we need to configure the PIM instance and add the necessary interfaces on all routers.
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# R1 Rendezvous Point:
/routing pimsm instance
add disabled=no name=pimsm-instance-1
/routing pimsm interface-template
add instance=pimsm-instance-1 interfaces=loopback,ether2,ether3
# R2:
/routing pimsm instance
add disabled=no name=pimsm-instance-1
/routing pimsm interface-template
add instance=pimsm-instance-1 interfaces=loopback,ether1,ether2,ether12
# R3:
/routing pimsm instance
add name=pimsm-instance-1
/routing pimsm interface-template
add instance=pimsm-instance-1 interfaces=loopback,ether1,ether2,ether12
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Now we should see two , let's take a look at our PIM neighbors and their statues on each routercurrent statuses. On R1, there are two neighbors, while on R2 and R3, there's only one neighbor each.
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# R1 Rendezvous Point:
/routing pimsm neighbor print
Flags: R - DESIGNATED-ROUTER; J - JOIN-TRACKING
Columns: INSTANCE, ADDRESS, PRIORITY
# INSTANCE ADDRESS PRIORITY
0 RJ pimsm-instance-1 10.0.1.2%ether2 1
1 RJ pimsm-instance-1 10.0.2.3%ether3 1
# R2:
/routing pimsm neighbor print
Flags: R - DESIGNATED-ROUTER; J - JOIN-TRACKING
Columns: INSTANCE, ADDRESS, PRIORITY
# INSTANCE ADDRESS PRIORITY
0 J pimsm-instance-1 10.0.1.1%ether1 1
1 RJ pimsm-instance-1 10.0.3.3%ether2 1
# R3:
/routing pimsm neighbor print
Flags: J - JOIN-TRACKING
Columns: INSTANCE, ADDRESS, PRIORITY
# INSTANCE ADDRESS PRIORITY
0 J pimsm-instance-1 10.0.2.1%ether1 1
1 J pimsm-instance-1 10.0.3.2%ether2 1 |
Finally, we will select one router to act as our Rendezvous Point (RP). We will configure the R1 loopback IP address on all PIM routers. It's important to ensure that each router has the correct routing information to reach the R1 loopback address.
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