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In the previous video, we already add 1 new router
to the topology.

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Next in this video we are going to configure bgp so pc 1, pc 2, and pc 3 will able to communicate each others. Let’s just start.

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Let’s configure on router 2 first.

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Router bgp 2, remember that 2 is the
autonomous system number of router 2,

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Here we need to add one neighbor, which
is router 3, so here neighbor

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and then the ip address of router 3, which is 10.10.10.6,
and then router 3 is in autonomous system 3,

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so here remote-as 3.

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Let’s also advertise the new connected network,
network 10.10.10.4 mask 255.255.255.252

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Okay now we have done configuring bgp on
router 2. Next let’s configure bgp on router 3.

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Router bgp 3, this is means that
router 3 is in autonomous system 3.

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Next let’s define the neighbor,

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in this case router 3 will have 1 neighbor, which
is router 2, so neighbor 10.10.10.5 remote-as 2

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Okay here we can see a message that the
bgp between router 2 and router 3 is up.

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Next let’s advertise the connected network,
network 10.10.10.4 mask 255.255.255.252,

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let’s also advertise the network that connected
to pc 3, so network 192.168.3.0 mask 255.255.255.0.

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Okay now we have done configuring
bgp on router 2 and router 3.

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Let’s see the routing table on router1,

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enable, show ip route, here we can see
that now router 1 have a route to pc 3,

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and the label is B, this is means BGP.

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Let’s also check on router 3, do show ip route,

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here we can see that we have route to
pc 1 and pc 2, and the label is also B.

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Okay, so now pc 1, pc 2, and pc 3 should be able to
communicate each others. Let’s try, pc 1 to pc 3,

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failed, test again, here success.

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Let’s check from pc 2 to pc 3,
okay this is also success.

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Okay so now we have done
configuring BGP on 3 router.

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I think enough for this video

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Thankyou for watching and see you on the next video.