Difference between revisions of "Quagga: BGP Dua Link main backup"
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Onnowpurbo (talk | contribs) (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...") |
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| Line 30: | Line 30: | ||
| − | ISP1 | + | ISP1 Eth0 -> ISP3 Eth0 |
| − | ISP1 Eth1 | + | ISP1 Eth1 -> ISP2 Eth1 |
| − | ISP2 | + | ISP2 Eth0 -> ISP3 Eth1 |
| − | ISP1 | + | ISP1 Eth2 10.100.100.1/24 |
| − | ISP1 | + | ISP1 Eth3 10.100.200.1/24 |
| − | ISP2 | + | ISP2 Eth2 10.10.10.1/24 |
| − | ISP2 | + | ISP2 Eth3 10.10.20.1/24 |
| − | ISP3 | + | ISP3 Eth2 10.1.1.1/24 |
| − | ISP3 | + | ISP3 Eth3 10.1.2.1/24 |
| Line 51: | Line 51: | ||
enable | enable | ||
configure terminal | configure terminal | ||
| − | interface | + | interface eth0 |
| − | ip address 192.168.1.1 | + | ip address 192.168.1.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth1 |
| − | ip address 192.168.3.1 | + | ip address 192.168.3.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth2 |
| − | ip address 10.100.100.1 | + | ip address 10.100.100.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth3 |
| − | ip address 10.100.200.1 | + | ip address 10.100.200.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| Line 73: | Line 73: | ||
enable | enable | ||
configure terminal | configure terminal | ||
| − | interface | + | interface eth0 |
| − | ip address 192.168.2.1 | + | ip address 192.168.2.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth1 |
| − | ip address 192.168.3.2 | + | ip address 192.168.3.2/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth2 |
| − | ip address 10.10.10.1 | + | ip address 10.10.10.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth3 |
| − | ip address 10.10.20.1 | + | ip address 10.10.20.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| Line 95: | Line 95: | ||
enable | enable | ||
configure terminal | configure terminal | ||
| − | interface | + | interface eth0 |
| − | ip address 192.168.1.2 | + | ip address 192.168.1.2/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth1 |
| − | ip address 192.168.2.2 | + | ip address 192.168.2.2/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth2 |
| − | ip address 10.1.1.1 | + | ip address 10.1.1.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| − | interface | + | interface eth3 |
| − | ip address 10.1.2.1 | + | ip address 10.1.2.1/24 |
no shutdown | no shutdown | ||
exit | exit | ||
| Line 124: | Line 124: | ||
router bgp 10 | router bgp 10 | ||
bgp router-id 192.168.1.1 | bgp router-id 192.168.1.1 | ||
| − | + | network 10.100.100.0/24 | |
| − | network 10.100.100.0 | + | network 10.100.200.0/24 |
| − | network 10.100.200.0 | ||
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 | ||
| − | |||
| − | |||
| − | |||
| − | |||
end | end | ||
| Line 142: | Line 137: | ||
router bgp 20 | router bgp 20 | ||
bgp router-id 192.168.2.1 | bgp router-id 192.168.2.1 | ||
| − | + | network 10.10.10.0/24 | |
| − | network 10.10.10.0 | + | network 10.10.20.0/24 |
| − | network 10.10.20.0 | ||
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 | ||
| − | |||
| − | |||
end | end | ||
| Line 166: | Line 158: | ||
router bgp 30 | router bgp 30 | ||
bgp router-id 192.168.1.2 | bgp router-id 192.168.1.2 | ||
| − | + | network 10.1.1.0/24 | |
| − | network 10.1.1.0 | + | network 10.1.2.0/24 |
| − | network 10.1.2.0 | ||
neighbor 192.168.1.1 remote-as 10 | neighbor 192.168.1.1 remote-as 10 | ||
neighbor 198.168.1.1 route-map PREPEND out | neighbor 198.168.1.1 route-map PREPEND out | ||
neighbor 192.168.2.1 remote-as 20 | neighbor 192.168.2.1 remote-as 20 | ||
| − | |||
| − | |||
route-map PREPEND permit 10 | route-map PREPEND permit 10 | ||
set as-path prepend 30 30 30 30 30 | set as-path prepend 30 30 30 30 30 | ||
Latest revision as of 08:01, 1 January 2019
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 Eth0 -> ISP3 Eth0 ISP1 Eth1 -> ISP2 Eth1 ISP2 Eth0 -> ISP3 Eth1 ISP1 Eth2 10.100.100.1/24 ISP1 Eth3 10.100.200.1/24 ISP2 Eth2 10.10.10.1/24 ISP2 Eth3 10.10.20.1/24 ISP3 Eth2 10.1.1.1/24 ISP3 Eth3 10.1.2.1/24
Setup connection
ISP1
enable
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
enable
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
enable
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:
enable
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:
enable
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
Main / Backup Link Setup di ISP3
Lakukan
- accept network kita sendiri
- drop semua tabel IP lainnya, karena kita tidak mau menjadi transit provider
- BGP AS prepend - menaikan AS path ke salah satu ISP (disini ISP1)
ISP3:
enable
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 198.168.1.1 route-map PREPEND out
neighbor 192.168.2.1 remote-as 20
route-map PREPEND permit 10
set as-path prepend 30 30 30 30 30
end
Cek
! perhatikan AS 30 di tambahkan 5x ke routing ke arah AS 10 ! show ip bgp
show ip route 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
- https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-16/irg-xe-16-book/configuring-a-basic-bgp-network.html
- https://wiki.mikrotik.com/wiki/Manual:Simple_BGP_Multihoming