Mikrotik | Lab 6. BGP Router Reflector

 

Router Reflector adalah salah satu solusi pada BGPfitur untuktopologi mesh iBGP. Dengan RR akan mengurangi BGP peering dan BGP messageyang beredar dalam satu AS. Perhatikan topologi diatas pada AS 234 bahwa R3 bertindak sbg RR dan R2 dan R4 sbg Router Clinet.

Berikut Konfigurasinya

R1
system identity set name=IMC-R1
ip address add address=12.12.12.1/30 interface=ether1
interface bridge add name=Loopback1
ip address add address=192.168.1.1/24 interface=Loopback1 

R2
system identity set name=IMC-R2
ip address add address=12.12.12.2/30 interface=ether1
ip address add address=23.23.23.2/24 interface=ether2
ip address add address=24.24.24.2/24 interface=ether3 

R3
system identity set name=IMC-R3
ip address add address=34.34.34.1/24 interface=ether2
ip address add address=23.23.23.1/24 interface=ether1 

R4
system identity set name=IMC-R4
ip address add address=45.45.45.2/30 interface=ether3
ip address add address=34.34.34.2/24 interface=ether2
ip address add address=24.24.24.1/24 interface=ether1

R5
system identity set name=IMC-R5
ip address add address=45.45.45.1/30 interface=ether1
interface bridge add name=Loopback1
ip address add address=192.168.5.1/24 interface=Loopback1

KONFIG BGP

R1
routing bgp instance set default as=100
routing bgp peer add remote-address=12.12.12.2 remote-as=234
routing bgp network add network=192.168.1.0/24 synchronize=no

KONFIG IGP-OSPF

R2
routing ospf network add network=23.23.23.0/24 area=backbone
routing ospf network add network=12.12.12.0/30 area=backbone
routing ospf network add network=24.24.24.0/24 area=backbone 

R3
routing ospf network add network=23.23.23.0/24 area=backbone
routing ospf network add network=34.34.34.0/24 area=backbone 

R4
routing ospf network add network=45.45.45.0/30 area=backbone
routing ospf network add network=34.34.34.0/24 area=backbone
routing ospf network add network=24.24.24.0/24 area=backbone

JALANKAN ROUTER-REFLECTOR DAN BGP

R2
routing bgp instance set default as=234
routing bgp peer add name=peer1 remote-address=12.12.12.1 remote-as=100
routing bgp peer add name=peer2 remote-address=23.23.23.1 remote-as=234 nexthop-choice=force-force-self 

R4
routing bgp instance set default as=234
routing bgp peer add name=peer1 remote-address=45.45.45.1 remote-as=500
routing bgp peer add name=peer2 remote-address=34.34.34.1 remote-as=234 nexthop-choice=force-self 

R3
routing bgp instance set default as=234
routing bgp peer add name=peer1 remote-address=34.34.34.1 remote-as=234 route-reflect=yes
routing bgp peer add name=peer2 remote-address=23.23.23.2 remote-as=234 route-reflect=yes 

R5
routing bgp instance set default as=500
routing bgp peer add remote-address=45.45.45.2 remote-as=234
routing bgp network add network=192.168.5.0/24 synchronize=no 

VERIFIKASI:

[admin@IMC-R5] > ping 192.168.1.1 src-address=192.168.5.1
  SEQ HOST                                     SIZE TTL TIME  STATUS
    0 192.168.1.1                                56  61 7ms
    1 192.168.1.1                                56  61 19ms
    2 192.168.1.1                                56  61 7ms
    sent=3 received=3 packet-loss=0% min-rtt=7ms avg-rtt=11ms max-rtt=19ms

[admin@IMC-R1] > ping 192.168.5.1 src-address=192.168.1.1

  SEQ HOST                                     SIZE TTL TIME  STATUS
    0 192.168.5.1                                56  61 7ms
    1 192.168.5.1                                56  61 19ms
    2 192.168.5.1                                56  61 7ms
    sent=3 received=3 packet-loss=0% min-rtt=7ms avg-rtt=11ms max-rtt=19ms

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