Difference between revisions of "Quagga: BGP Sederhana"

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(Created page with "center|900px|thumb Ada tiga (3) ISP ISP1: IP 192.168.1.1/24 menuju ISP3 IP 192.168.3.1/24 menuju ISP2 AS 10 IP 10.100.100.0/24 IP 10.100.20...")
 
 
(5 intermediate revisions by the same user not shown)
Line 49: Line 49:
 
ISP1
 
ISP1
  
  enable
+
  vtysh
 
  configure terminal
 
  configure terminal
   interface Ethernet1/0
+
   interface eth0
     ip address 192.168.1.1 255.255.255.0
+
     ip address 192.168.1.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/1
+
   interface eth1
     ip address 192.168.3.1 255.255.255.0
+
     ip address 192.168.3.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/2
+
   interface eth2
     ip address 10.100.100.1 255.255.255.0
+
     ip address 10.100.100.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/3
+
   interface eth3
     ip address 10.100.200.1 255.255.255.0
+
     ip address 10.100.200.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
Line 71: Line 71:
 
ISP2
 
ISP2
  
  enable
+
  vtysh
 
  configure terminal
 
  configure terminal
   interface Ethernet1/0
+
   interface eth0
     ip address 192.168.2.1 255.255.255.0
+
     ip address 192.168.2.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/1
+
   interface eth1
     ip address 192.168.3.2 255.255.255.0
+
     ip address 192.168.3.2/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/2
+
   interface eth2
     ip address 10.10.10.1 255.255.255.0
+
     ip address 10.10.10.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/3
+
   interface eth3
     ip address 10.10.20.1 255.255.255.0
+
     ip address 10.10.20.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
Line 93: Line 93:
 
ISP3
 
ISP3
  
  enable
+
  vtysh
 
  configure terminal
 
  configure terminal
   interface Ethernet1/0
+
   interface eth0
     ip address 192.168.1.2 255.255.255.0
+
     ip address 192.168.1.2/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/1
+
   interface eth1
     ip address 192.168.2.2 255.255.255.0
+
     ip address 192.168.2.2/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/2
+
   interface eth2
     ip address 10.1.1.1 255.255.255.0
+
     ip address 10.1.1.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
   interface Ethernet1/3
+
   interface eth3
     ip address 10.1.2.1 255.255.255.0
+
     ip address 10.1.2.1/24
 
     no shutdown
 
     no shutdown
 
     exit
 
     exit
Line 120: Line 120:
 
ISP1:
 
ISP1:
  
  enable
+
  vtysh
 
  configure terminal
 
  configure terminal
 
   router bgp 10
 
   router bgp 10
 
   bgp router-id 192.168.1.1
 
   bgp router-id 192.168.1.1
    ! address-family ipv4 unicast
+
     network 10.100.100.0/24
     network 10.100.100.0 mask 255.255.255.0
+
     network 10.100.200.0/24
     network 10.100.200.0 mask 255.255.255.0
 
 
     neighbor 192.168.3.2 remote-as 20
 
     neighbor 192.168.3.2 remote-as 20
 
     neighbor 192.168.1.2 remote-as 30
 
     neighbor 192.168.1.2 remote-as 30
    neighbor 192.168.3.2 activate
 
    neighbor 192.168.1.2 activate
 
    ! neighbor 192.168.3.2 default-originate
 
    ! neighbor 192.168.1.2 default-originate
 
 
   end
 
   end
  
Line 138: Line 133:
  
  
  enable
+
  vtysh
 
  configure terminal
 
  configure terminal
 
   router bgp 20
 
   router bgp 20
 
   bgp router-id 192.168.2.1
 
   bgp router-id 192.168.2.1
    ! address-family ipv4 unicast
+
     network 10.10.10.0/24
     network 10.10.10.0 mask 255.255.255.0
+
     network 10.10.20.0/24
     network 10.10.20.0 mask 255.255.255.0
 
 
     neighbor 192.168.3.1 remote-as 10
 
     neighbor 192.168.3.1 remote-as 10
 
     neighbor 192.168.2.2 remote-as 30
 
     neighbor 192.168.2.2 remote-as 30
    neighbor 192.168.3.1 activate
 
    neighbor 192.168.2.2 activate
 
 
   end
 
   end
  
 
ISP3:
 
ISP3:
  
  enable
+
  vtysh
 
  configure terminal
 
  configure terminal
 
   router bgp 30
 
   router bgp 30
 
   bgp router-id 192.168.1.2
 
   bgp router-id 192.168.1.2
    ! address-family ipv4 unicast
+
     network 10.1.1.0/24
     network 10.1.1.0 mask 255.255.255.0
+
     network 10.1.2.0/24
     network 10.1.2.0 mask 255.255.255.0
 
 
     neighbor 192.168.1.1 remote-as 10
 
     neighbor 192.168.1.1 remote-as 10
 
     neighbor 192.168.2.1 remote-as 20
 
     neighbor 192.168.2.1 remote-as 20
    neighbor 192.168.1.1 activate
 
    neighbor 192.168.2.1 activate 
 
 
   end
 
   end
  
Line 169: Line 158:
  
 
  show ip route
 
  show ip route
 +
show ip bgp summary
 
  show ip bgp 10.100.1000.0/24
 
  show ip bgp 10.100.1000.0/24
 
  show ip bgp neighbors 192.168.2.2 advertised-routes
 
  show ip bgp neighbors 192.168.2.2 advertised-routes

Latest revision as of 04:31, 4 January 2019

Bgp-multihoming.png

Ada tiga (3) ISP

ISP1:

IP 192.168.1.1/24 menuju ISP3
IP 192.168.3.1/24 menuju ISP2
AS 10
IP 10.100.100.0/24
IP 10.100.200.0/24

ISP2

IP 192.168.2.1/24 - menuju ISP3
IP 192.168.3.2/24 - menuju ISP1
AS 20
IP 10.10.10.0/24
IP 10.10.20.0/24

ISP3 (kita)

IP 192.168.1.2/24 - menuju ISP1
IP 192.168.2.2/24 - menuju ISP2
AS 30
IP 10.1.1.0/24
IP 10.1.2.0/24 


Sambungan Fisik

ISP1


ISP1 Eth1/0 -> ISP3 Eth1/0
ISP1 Eth1/1 -> ISP2 Eth1/1
ISP2 Eth1/0 -> ISP3 Eth1/1

ISP1 Eth1/2 10.100.100.1/24
ISP1 Eth1/3 10.100.200.1/24

ISP2 Eth1/2 10.10.10.1/24
ISP2 Eth1/3 10.10.20.1/24

ISP3 Eth1/2 10.1.1.1/24
ISP3 Eth1/3 10.1.2.1/24


Setup connection

ISP1

vtysh
configure terminal
  interface eth0
    ip address 192.168.1.1/24
    no shutdown
    exit
  interface eth1
    ip address 192.168.3.1/24
    no shutdown
    exit
  interface eth2
    ip address 10.100.100.1/24
    no shutdown
    exit
  interface eth3
    ip address 10.100.200.1/24
    no shutdown
    exit
 end

ISP2

vtysh
configure terminal
  interface eth0
    ip address 192.168.2.1/24
    no shutdown
    exit
  interface eth1
    ip address 192.168.3.2/24
    no shutdown
    exit
  interface eth2
    ip address 10.10.10.1/24
    no shutdown
    exit
  interface eth3
    ip address 10.10.20.1/24
    no shutdown
    exit
 end

ISP3

vtysh
configure terminal
  interface eth0
    ip address 192.168.1.2/24
    no shutdown
    exit
  interface eth1
    ip address 192.168.2.2/24
    no shutdown
    exit
  interface eth2
    ip address 10.1.1.1/24
    no shutdown
    exit
  interface eth3
    ip address 10.1.2.1/24
    no shutdown
    exit
 end

BGP Peering

Consider that IP connectivity between ISPs edge routers and Our Core router is already set up and working properly. So we can start to establish BGP peering to both ISPs.


ISP1:

vtysh
configure terminal
  router bgp 10
  bgp router-id 192.168.1.1
    network 10.100.100.0/24
    network 10.100.200.0/24
    neighbor 192.168.3.2 remote-as 20
    neighbor 192.168.1.2 remote-as 30
  end

ISP2:


vtysh
configure terminal
  router bgp 20
  bgp router-id 192.168.2.1
    network 10.10.10.0/24
    network 10.10.20.0/24
    neighbor 192.168.3.1 remote-as 10
    neighbor 192.168.2.2 remote-as 30
  end

ISP3:

vtysh
configure terminal
  router bgp 30
  bgp router-id 192.168.1.2
    network 10.1.1.0/24
    network 10.1.2.0/24
    neighbor 192.168.1.1 remote-as 10
    neighbor 192.168.2.1 remote-as 20
  end

Cek

show ip route
show ip bgp summary
show ip bgp 10.100.1000.0/24
show ip bgp neighbors 192.168.2.2 advertised-routes
show ip bgp neighbor 192.168.1.1 routes
show bgp ipv4 unicast neighbors 
show bgp ipv4 unicast summary

Referensi

Pranala Menarik