Cara Setting atau konfigurasi load balancing plus failover pada router mikrotik

1. Setting IP address
[admin@GW] > ip address add address=1.1.1.2/30 interface=ether1
[admin@GW] > ip address add address=2.2.2.2/30 interface=ether2
[admin@GW] > ip address add address=192.168.1.254/24 interface=ether3

2. Setting Route
[admin@GW] > ip route add dst-address=0.0.0.0/0 gateway=1.1.1.1,2.2.2.1 check-gateway=ping
[admin@GW] > ip route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme,
B - blackhole, U - unreachable, P - prohibit
 #      DST-ADDRESS     PREF-SRC        GATEWAY   DISTANCE
 0 A S  0.0.0.0/0                       2.2.2.1          1
                                        1.1.1.1
 1 ADC  1.1.1.0/30      1.1.1.2         ether1           0
 2 ADC  2.2.2.0/30      2.2.2.1         ether2           0
 3 ADC  192.168.1.0/24  192.168.1.254   ether3           0

3. Setting DNS
[admin@GW] > ip dns set servers=1.1.1.1,2.2.2.1 allow-remote-request=yes

4. Firewall
[admin@GW] > ip firewall nat add chain=srcnat out-interface=ether1 action=masquerade
[admin@GW] > ip firewall nat add chain=srcnat out-interface=ether2 action=masquerade

5. Setting DNS ECMP (jika bandwidthnya berbeda)
Jika alokasi ISP A 2mbps, ISP B 1mbps (2:1)

[admin@GW] > ip route add dst-address=0.0.0.0/0 gateway=1.1.1.1,1.1.1.1,2.2.2.1 check-gateway=ping
[admin@GW] > ip route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme,
B - blackhole, U - unreachable, P - prohibit
 #      DST-ADDRESS     PREF-SRC        GATEWAY   DISTANCE
 0 A S  0.0.0.0/0                       2.2.2.1          1
                                        1.1.1.1
                                        1.1.1.1
 1 ADC  1.1.1.0/30      1.1.1.2         ether1           0
 2 ADC  2.2.2.0/30      2.2.2.1         ether2           0
 3 ADC  192.168.1.0/24  192.168.1.254   ether3           0


# Setting Failover
1. Setting DNS
[admin@GW] > ip route add dst-address=0.0.0.0/0 gateway=1.1.1.1 check-gateway=ping
[admin@GW] > ip route add dst-address=0.0.0.0/0 gateway=2.2.2.1 distance=10 check-gateway=ping

2. [admin@GW] > ip route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme,
B - blackhole, U - unreachable, P - prohibit
#     DST-ADDRESS     PREF-SRC       GATEWAY     DISTANCE
0 A S 0.0.0.0/0                       1.1.1.1         1
1   S 0.0.0.0/0                       2.2.2.1         10
2 ADC 1.1.1.0/30       1.1.1.2         ether1         0
3 ADC 2.2.2.0/30       2.2.2.1         ether2         0
4 ADC 192.168.1.0/24   192.168.1.254   ether3         0

Sumber : http://www.ilmujaringan.com/konfigurasi-load-balancing-router-mikrotik-ecmp/

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