Maipu Administration Guide

Configure a Static Aggregation Group

Network Requirements

Device1 is connected to PC1, Device2 is connected to PC2 and PC3, and the three PCs are in the same network segment. Device1 and Device2 are interconnected through Trunk ports.
A static aggregation group is configured between Device1 and Device2 for bandwidth increase, load sharing, and service backup.

Network Topology

Networking for Configuring a Static Aggregation Group

Figure 1-3 Networking for Configuring a Static Aggregation Group

Configuration Steps

Step 1: Create a static aggregation group.

#On Device1, create static aggregation group 1.

Device1#configure terminal
Device1(config)#link-aggregation 1 mode manual

#On Device2, create static aggregation group 2.

Device2#configure terminal
Device2(config)#link-aggregation 1 mode manual

Step 2: Add ports into the aggregation group.

#On Device1, add ports gigabitethernet0/1 and gigabitethernet0/2 into aggregation group 1 in Manual mode.

Device1(config)#interface gigabitethernet 0/1,0/2
Device1(config-if-range)#link-aggregation 1 manual
Device1(config-if-range)#exit

#On Device2, add ports gigabitethernet0/1 and gigabitethernet0/2 into aggregation group 1 in Manual mode.

Device2(config)#interface gigabitethernet 0/1,0/2
Device2(config-if-range)#link-aggregation 1 manual
Device2(config-if-range)#exit

#After the configuration is completed, check the status of aggregation group 1 on the devices.

Here takes Device1 for example:

Device1#show link-aggregation group 1 
 Link Aggregation 1 
  Type: switchport 
  Mode: Manual 
  User: LAC 
  Description:  
  Peer-description:  
  Load balance profile: default 
  Number of ports in total: 2 
  Number of ports attached: 2 
  Root port: gigabitethernet0/1 
  gigabitethernet0/1: ATTACHED 
  gigabitethernet0/2: ATTACHED

According to the system display, ports gigabitethernet0/1 and gigabitethernet0/2 on Device1 are both in the ATTACHED state in aggregation group 1, and aggregation of aggregation group 1 is successful.

For the method of checking Device2, refer to the method of checking Device1.

Step 3: Configure rhe aggregation group to reference the load balance profile.

#On Device1, create the load balance profile linkagg-profile.

Device1(config)#load-balance profile linkagg-profile

#On Device1, configure the packet load hash-key in the load balance profile linkagg- profile, configure the L2 packet to load by the destination MAC, and configure the IP packet to load by the destination IP.

Device1(config-hashprofile)#l2 dst-mac
Device1(config-hashprofile)#ip dst-ip
Device1(config-hashprofile)#active configuration pending

#On Device1, configure the load balance profile referenced by aggregation group 1 as linkagg-profile.

Device1(config)#interface link-aggregation 1
Device1(config-link-aggregation1)#load-balance profile linkagg-profile

Step 4: Configure a VLAN, and configure the link type of the aggregation group and ports.

#On Device1, create VLAN2, configure the link type of aggregation group 1 to Trunk and allow services of VLAN2 to pass, and set Port VLAN ID (PVID) to 2.

Device1(config)#vlan 2
Device1(config-vlan2)#exit
Device1(config)#interface link-aggregation 1
Device1(config-link-aggregation1)#switchport mode trunk
Device1(config-link-aggregation1)#switchport trunk allowed vlan add 2
Device1(config-link-aggregation1)#switchport trunk pvid vlan 2
Device1(config-link-aggregation1)#exit

#On Device1, configure the link type of port gigabitethernet0/3 to Access and allow services of VLAN2 to pass.

Device1(config)#interface gigabitethernet 0/3
Device1(config-if-gigabitethernet0/3)#switchport mode access
Device1(config-if-gigabitethernet0/3)#switchport access vlan 2
Device1(config-if-gigabitethernet0/3)#exit

#On Device2, create VLAN2, configure the link type of aggregation group 1 to Trunk and allow services of VLAN2 to pass, and set PVID to 2. (Omitted)

#On Device2, configure the link type of ports gigabitethernet0/3 and gigabitethernet0/4 to Access and allow services of VLAN2 to pass. (Omitted)

Step 5: Check the result.

#On the devices, check the aggregated bandwidth of aggregation group 1.

Device1#show interface link-aggregation 1 
link-aggregation 1 configuration information 
        Description      :  
        Peer-description : 
        Status           : Enabled 
        Link             : Up 
        Act Speed        : 2000 
        Act Duplex       : Full 
        Port Type        : Nni 
        Pvid       : 2

According to the system display, the interface bandwidth of aggregation group 1 on Device1 is 2000 M.

For the method of checking Device2, refer to the method of checking Device1.

#On Device1, view the current effective load balancing profile of aggregation group1.

Device1#show link-aggregation group 1 
 Link Aggregation 1 
  Type: switchport 
  Mode: Manual 
  User: LAC 
  Description: 
  Peer-description : 
  Load balance profile: linkagg-profile 
  Number of ports in total: 2 
  Number of ports attached: 2 
  Root port: gigabitethernet0/1 
  gigabitethernet0/1: ATTACHED 
  gigabitethernet0/2: ATTACHED

According to the system display, the current load balance profile of aggregation group 1 is linkagg-profile.

#During the process of service interaction between PC1 and PC2 and PC3, load balancing of data is achieved on the aggregated links. If a link in the aggregation group becomes faulty, the other links provide service backup.