iBGP – KHUSNI NADZIF

Assign ip address router
Router(config)# interface [nama-interface]
Router(config-if)# ip address [ip] [mask]

R1 
#interface Loopback0
# ip address 1.1.1.1 255.255.255.255
#interface FastEthernet0/0
# ip address 12.12.12.1 255.255.255.0

R2
#interface Loopback0
# ip address 2.2.2.2 255.255.255.255
#interface FastEthernet0/0
# ip address 12.12.12.2 255.255.255.0


Setting IGP (rip, eigrp, ospf, static route)
Router(config)# ip route [loopback0] [mask] next-hop

R1 
# ip route 2.2.2.2 255.255.255.255 12.12.12.2

R2
#ip route 1.1.1.1 255.255.255.255 12.12.12.1


Setting BGP
 Router(config)# router bgp [ASN]

R1(config)#router bgp 12

R2(config)#router bgp 12


Setting neighbor
Router(config-router)# neighbor [ip lo] remote-as [ASN]
Router(config-router)# neighbor [ip lo] update-source [nama lo]

R1 
#neighbor 2.2.2.2 remote-as 12
#neighbor 2.2.2.2 update-source loopback0

R2
#neighbor 1.1.1.1 remote-as 12
#neighbor 1.1.1.1 update-source loopback0


Assign ip loopback tambahan router
Router(config)# interface [nama-interface]
Router(config-if)# ip address [ip] [mask]

R1 
#interface Loopback1
# ip address 11.11.11.11 255.255.255.255

R2
#interface Loopback1
# ip address 22.22.22.22 255.255.255.255


Advertise ip loopback tambahan ke dalam router bgp
Router(config-router)# network [ip network] mask [subnetmask]

R1(config)#router bgp 12
#network 11.11.11.11 mask 255.255.255.255

R2(config)#router bgp 12
#network 22.22.22.22 mask 255.255.255.255


Lihat Status
Router# show ip bgp

R1 
 Network          Next Hop
*> 11.11.11.11/32   0.0.0.0
*>i22.22.22.22/32   2.2.2.2

R2
Network            Next Hop
*>i11.11.11.11/32   1.1.1.1
*> 22.22.22.22/32   0.0.0.0


Cek routing bgp
Router# show ip route bgp

R1#sh ip route bgp
22.0.0.0/32 is subnetted, 1 subnets
B       22.22.22.22 [200/0] via 2.2.2.2, 00:02:38

R2#sh ip route bgp
 11.0.0.0/32 is subnetted, 1 subnets
 B       11.11.11.11 [200/0] via 1.1.1.1, 00:02:48


Test Ping
Router# ping [ip network destination]

R1#ping 22.22.22.22

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 22.22.22.22, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/11/16 ms

R2#ping 11.11.11.11

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 11.11.11.11, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/10/12 ms

Setting IP Address Router Router(config)# interface [nama-interface] Router(config-if)# ip address [ip] [mask] R1 #interface Loopback0 #ip address 1.1.1.1 255.255.255.255 #interface FastEthernet0/0 #ip address 12.12.12.1 255.255.255.0 R2 #interface Loopback0 #ip address 2.2.2.2 255.255.255.255 #interface FastEthernet0/0 #ip address 12.12.12.2 255.255.255.0 Aktifkan Router BGP Router(config)# router bgp [ASN] R1(config)#router bgp 12 R2(config)#router bgp 12 Setting neighbor Router(config-router)# neighbor [peer address] remote-as [ASN] R1 #neighbor 12.12.12.2 remote-as 12 R2 #neighbor 12.12.12.1 remote-as 12 Advertise ip network ke dalam router bgp Router(config-router)# network [ip network] mask [mask] R1 #network 1.1.1.1 mask 255.255.255.255 R2 #network 2.2.2.2 mask 255.255.255.255 Lihat Status Router# show ip bgp R1 Network Next Hop *> 1.1.1.1/32 0.0.0.0 *>i2.2.2.2/32 12.12.12.2 R2 Network Next Hop *>i1.1.1.1/32 12.12.12.1 *> 2.2.2.2/32 0.0.0.0 Lihat Status Router# show ip bgp summary R1 Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 12.12.12.2 4 12 34 34 3 0 0 00:30:26 1 R2 Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 12.12.12.1 4 12 33 33 3 0 0 00:29:35 1 Cek routing bgp Router# show ip route bgp R1#sh ip route bgp 2.0.0.0/32 is subnetted, 1 subnets B 2.2.2.2 [200/0] via 12.12.12.2, 00:28:30 R2#sh ip rout bgp 1.0.0.0/32 is subnetted, 1 subnets B 1.1.1.1 [200/0] via 12.12.12.1, 00:29:55 Test Ping Router# ping [ip network destination] R1#ping 2.2.2.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 4/12/16 ms R2#ping 1.1.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 4/11/16 ms

Tag: iBGP

Konfigurasi iBGP Peering Loopback

Konfigurasi dasar iBGP Peering