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Networking Requirements

In this example, there are two groups of MLAG and VRRP as shown in Figure 1. One group contains Switch A, Switch B and HostA, another group contains Switch C, Switch D and HostB. This two groups of switches communicate with each other though IP Network.

The two groups of MLAG switches connect through a LACP(Link Aggregation Control Protocol) to HostA and HostB.

It implements the communication between HostA to HostB.

Figure 1 MLAG Topology With VRRP


Procedure

Configuring MLAG on SwitchA

Step1         Configure an aggregation interface with LACP mode.

    admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options lacp enable true

Step2         Add member interfaces to a LAG.

   admin@XorPlus# set interface gigabit-ethernet te-1/1/49 ether-options 802.3ad ae1

   admin@XorPlus# set interface gigabit-ethernet te-1/1/51 ether-options 802.3ad ae3

   admin@XorPlus# set interface gigabit-ethernet te-1/1/53 ether-options 802.3ad ae3   

Step3        Configure VLAN.

   admin@XorPlus# set vlans vlan-id 100 l3-interface vlan-100

   admin@XorPlus# set vlans vlan-id 300 l3-interface vlan-300

   admin@XorPlus# set vlans vlan-id 400 l3-interface vlan-400

   admin@XorPlus# set vlan-interface interface vlan-300 vif vlan-300 address 192.168.30.1 prefix-length 24

   admin@XorPlus# set vlan-interface interface vlan-100 vif vlan-100 address 172.168.30.2 prefix-length 24

   admin@XorPlus# set vlan-interface interface vlan-400 vif vlan-400 address 192.168.40.1 prefix-length 24

   admin@XorPlus# set interface aggregate-ethernet ae1 family ethernet-switching port-mode trunk

   admin@XorPlus# set interface aggregate-ethernet ae1 family ethernet-switching vlan members 100

   admin@XorPlus# set interface aggregate-ethernet ae3 family ethernet-switching native-vlan-id 300

   admin@XorPlus# set interface aggregate-ethernet ae3 family ethernet-switching port-mode trunk

   admin@XorPlus# set interface aggregate-ethernet ae3 family ethernet-switching vlan members 100

   admin@XorPlus# set interface gigabit-ethernet te-1/1/50 family ethernet-switching native-vlan-id 400

Step4        Configure MLAG domain ID.

   admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options mlag domain-id 2

Step5        Configure the peer IP address and the peer-link for the MLAG peer.

   admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options mlag peer 192.168.30.2 peer-link ae3

Step6       Configure system ID for LACP negotiation.

                  admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options mlag system id 00:B0:BC:00:00:00

                  System ID configured on the MLAG peer devices should be consistent.

Step7         Configure a static ARP entry for peer-link interface.

   admin@XorPlus# set interface aggregate-ethernet ae3 static-ethernet-switching mac-address 00:18:23:30:E7:90 vlan 300

   admin@XorPlus# set protocols arp interface vlan-300 address 192.168.30.2 mac-address 00:18:23:30:E7:90

NOTE:

PICA8 recommends configuring a static ARP for peer-link interface to prevent ARP entry of the peer-link interface from being modified by ARP attack packets.

Step8        Configure static route to HostB.

   admin@XorPlus# set protocols static route 172.168.60.0/24 next-hop 192.168.40.2

Configuring VRRP on SwitchA


Step1        Configure virtual ip for VRRP.

   admin@XorPlus# set protocols vrrp interface vlan-100 vif vlan-100 vrid 2 ip 172.168.30.1

Step2        Enable Active-Active-VRRP function.

   admin@XorPlus# set protocols vrrp interface vlan-100 vif vlan-100 vrid 2 load-balance disable false

Configuring MLAG on SwitchB

Step1         Configure an aggregation interface with LACP mode.

    admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options lacp enable true

Step2         Add member interfaces to a LAG.

   admin@XorPlus# set interface gigabit-ethernet te-1/1/49 ether-options 802.3ad ae1

   admin@XorPlus# set interface gigabit-ethernet te-1/1/51 ether-options 802.3ad ae3

   admin@XorPlus# set interface gigabit-ethernet te-1/1/53 ether-options 802.3ad ae3   

Step3        Configure VLAN.

   admin@XorPlus# set vlans vlan-id 100 l3-interface vlan-100

   admin@XorPlus# set vlans vlan-id 300 l3-interface vlan-300

   admin@XorPlus# set vlans vlan-id 500 l3-interface vlan-500

   admin@XorPlus# set vlan-interface interface vlan-300 vif vlan-300 address 192.168.30.2 prefix-length 24

   admin@XorPlus# set vlan-interface interface vlan-100 vif vlan-100 address 172.168.30.3 prefix-length 24

   admin@XorPlus# set vlan-interface interface vlan-500 vif vlan-500 address 192.168.50.1 prefix-length 24

   admin@XorPlus# set interface aggregate-ethernet ae1 family ethernet-switching port-mode trunk

   admin@XorPlus# set interface aggregate-ethernet ae1 family ethernet-switching vlan members 100

   admin@XorPlus# set interface aggregate-ethernet ae3 family ethernet-switching native-vlan-id 300

   admin@XorPlus# set interface aggregate-ethernet ae3 family ethernet-switching port-mode trunk

   admin@XorPlus# set interface aggregate-ethernet ae3 family ethernet-switching vlan members 100

   admin@XorPlus# set interface gigabit-ethernet te-1/1/50 family ethernet-switching native-vlan-id 500

Step4        Configure MLAG domain ID.

   admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options mlag domain-id 2

Step5        Configure the peer IP address and the peer-link for the MLAG peer.

   admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options mlag peer 192.168.30.1 peer-link ae3

Step6       Configure system ID for LACP negotiation.

                  admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options mlag system id 00:B0:BC:00:00:00

Step7         Configure a static ARP entry for peer-link interface.

   admin@XorPlus# set interface aggregate-ethernet ae3 static-ethernet-switching mac-address CC:37:AB:B6:9C:33 vlan 300

   admin@XorPlus# set protocols arp interface vlan-300 address 192.168.30.1 mac-address CC:37:AB:B6:9C:33

NOTE:

PICA8 recommends configuring a static ARP for peer-link interface to prevent ARP entry of the peer-link interface from being modified by ARP attack packets.

Step8        Configure static route to HostB.

   admin@XorPlus# set protocols static route 172.168.60.0/24 next-hop 192.168.50.2

Configuring VRRP on SwitchB


Step1        Configure virtual ip for VRRP.

   admin@XorPlus# set protocols vrrp interface vlan-100 vif vlan-100 vrid 2 ip 172.168.30.1

Step2        Enable Active-Active-VRRP function.

   admin@XorPlus# set protocols vrrp interface vlan-100 vif vlan-100 vrid 2 load-balance disable false

Configuring MLAG on SwitchC

Step1         Configure an aggregation interface with LACP mode.

    admin@XorPlus# set interface aggregate-ethernet ae2 aggregated-ether-options lacp enable true

Step2         Add member interfaces to a LAG.

   admin@XorPlus# set interface gigabit-ethernet te-1/1/49 ether-options 802.3ad ae2

   admin@XorPlus# set interface gigabit-ethernet te-1/1/51 ether-options 802.3ad ae4

   admin@XorPlus# set interface gigabit-ethernet te-1/1/52 ether-options 802.3ad ae4   

Step3        Configure VLAN.

   admin@XorPlus# set vlans vlan-id 200 l3-interface vlan-200

   admin@XorPlus# set vlans vlan-id 700 l3-interface vlan-700

   admin@XorPlus# set vlans vlan-id 800 l3-interface vlan-800

   admin@XorPlus# set vlan-interface interface vlan-200 vif vlan-200 address 172.168.60.2 prefix-length 24

   admin@XorPlus# set vlan-interface interface vlan-700 vif vlan-700 address 192.168.70.1 prefix-length 24

   admin@XorPlus# set vlan-interface interface vlan-800 vif vlan-800 address 192.168.41.1 prefix-length 24

   admin@XorPlus# set interface aggregate-ethernet ae2 family ethernet-switching port-mode trunk

   admin@XorPlus# set interface aggregate-ethernet ae2 family ethernet-switching vlan members 200

   admin@XorPlus# set interface aggregate-ethernet ae4 family ethernet-switching native-vlan-id 700

   admin@XorPlus# set interface aggregate-ethernet ae4 family ethernet-switching port-mode trunk

   admin@XorPlus# set interface aggregate-ethernet ae4 family ethernet-switching vlan members 200

   admin@XorPlus# set interface gigabit-ethernet te-1/1/50 family ethernet-switching native-vlan-id 800

Step4        Configure MLAG domain ID.

   admin@XorPlus# set interface aggregate-ethernet ae2 aggregated-ether-options mlag domain-id 3

Step5        Configure the peer IP address and the peer-link for the MLAG peer.

   admin@XorPlus# set interface aggregate-ethernet ae2 aggregated-ether-options mlag peer 192.168.70.2 peer-link ae4

Step6       Configure system ID for LACP negotiation.

                  admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options mlag system id 00:B0:BC:00:00:01

Step7         Configure a static ARP entry for peer-link interface.

   admin@XorPlus# set interface aggregate-ethernet ae4 static-ethernet-switching mac-address A0:34:44:32:9C:23 vlan 700

   admin@XorPlus# set protocols arp interface vlan-700 address 192.168.70.2 mac-address A0:34:44:32:9C:23

NOTE:

PICA8 recommends configuring a static ARP for peer-link interface to prevent ARP entry of the peer-link interface from being modified by ARP attack packets.

Step8        Configure static route to HostA.

   admin@XorPlus# set protocols static route 172.168.30.0/24 next-hop 192.168.41.2

Configuring VRRP on SwitchC


Step1        Configure virtual ip for VRRP.

   admin@XorPlus# set protocols vrrp interface vlan-200 vif vlan-200 vrid 3 ip 172.168.60.1

Step2        Enable Active-Active-VRRP function.

   admin@XorPlus# set protocols vrrp interface vlan-200 vif vlan-200 vrid 3 load-balance disable false

Configuring MLAG on SwitchD

Step1         Configure an aggregation interface with LACP mode.

    admin@XorPlus# set interface aggregate-ethernet ae2 aggregated-ether-options lacp enable true

Step2         Add member interfaces to a LAG.

   admin@XorPlus# set interface gigabit-ethernet te-1/1/49 ether-options 802.3ad ae2

   admin@XorPlus# set interface gigabit-ethernet te-1/1/51 ether-options 802.3ad ae4

   admin@XorPlus# set interface gigabit-ethernet te-1/1/52 ether-options 802.3ad ae4   

Step3        Configure VLAN.

   admin@XorPlus# set vlans vlan-id 200 l3-interface vlan-200

   admin@XorPlus# set vlans vlan-id 700 l3-interface vlan-700

   admin@XorPlus# set vlans vlan-id 800 l3-interface vlan-900

   admin@XorPlus# set vlan-interface interface vlan-200 vif vlan-200 address 172.168.60.3 prefix-length 24

   admin@XorPlus# set vlan-interface interface vlan-700 vif vlan-700 address 192.168.70.2 prefix-length 24

   admin@XorPlus# set vlan-interface interface vlan-900 vif vlan-900 address 192.168.51.1 prefix-length 24

   admin@XorPlus# set interface aggregate-ethernet ae2 family ethernet-switching port-mode trunk

   admin@XorPlus# set interface aggregate-ethernet ae2 family ethernet-switching vlan members 200

   admin@XorPlus# set interface aggregate-ethernet ae4 family ethernet-switching native-vlan-id 700

   admin@XorPlus# set interface aggregate-ethernet ae4 family ethernet-switching port-mode trunk

   admin@XorPlus# set interface aggregate-ethernet ae4 family ethernet-switching vlan members 200

   admin@XorPlus# set interface gigabit-ethernet te-1/1/50 family ethernet-switching native-vlan-id 900

Step4        Configure MLAG domain ID.

   admin@XorPlus# set interface aggregate-ethernet ae2 aggregated-ether-options mlag domain-id 3

Step5        Configure the peer IP address and the peer-link for the MLAG peer.

   admin@XorPlus# set interface aggregate-ethernet ae2 aggregated-ether-options mlag peer 192.168.70.1 peer-link ae4

Step6       Configure system ID for LACP negotiation.

                  admin@XorPlus# set interface aggregate-ethernet ae1 aggregated-ether-options mlag system id 00:B0:BC:00:00:01

Step7         Configure a static ARP entry for peer-link interface.

   admin@XorPlus# set interface aggregate-ethernet ae4 static-ethernet-switching mac-address 11:31:00:C1:8C:11 vlan 700

   admin@XorPlus# set protocols arp interface vlan-700 address 192.168.70.1 mac-address 11:31:00:C1:8C:11

NOTE:

PICA8 recommends configuring a static ARP for peer-link interface to prevent ARP entry of the peer-link interface from being modified by ARP attack packets.

Step8        Configure static route to HostA.

   admin@XorPlus# set protocols static route 172.168.30.0/24 next-hop 192.168.51.2

Configuring VRRP on SwitchD


Step1        Configure virtual ip for VRRP.

   admin@XorPlus# set protocols vrrp interface vlan-200 vif vlan-200 vrid 3 ip 172.168.60.1

Step2        Enable Active-Active-VRRP function.

   admin@XorPlus# set protocols vrrp interface vlan-200 vif vlan-200 vrid 3 load-balance disable false

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