LACP Configuration
Today the discussion will be regarding the link aggregation configuration on different vendors' devices. The link aggregation is called differently for different vendors such as -LACP or link aggregation control protocol for Cisco, Link Aggregation for Juniper and Bonding for Mikrotik.
Network teaming is method for linking NICs together logically to allow for failover or higher throughput.
However different devices' link aggregation's configuration are also not same. So here some of the devices' configuration have been given below.
LACP/Ether Channel Configuration on Cisco Router
Router-2-SCL#configure terminal
Router-2-SCL(config)#int gigabitEthernet 0/0
Router-2-SCL(config-if)#channel-group 1
Router-2-SCL(config-if)#no shutdown
Router-2-SCL(config-if)#int gigabitEthernet 2/0
Router-2-SCL(config-if)#channel-group 1
Router-2-SCL(config-if)#no shutdown
Router-2-SCL#copy running-configure to startup-configure
Router-2-SCL#conf t
Router-2-SCL(config)#interface Po1
Router-2-SCL(config-if)#ip address 10.111.111.1 255.255.255.0
Router-2-SCL(config-if)#no shutdown
Router-2-SCL(config-if)#exit
Router-2-SCL(config)#interface Po1.201
Router-2-SCL(config-subif)#encapsulation dot1Q 201
Router-2-SCL(config-subif)#ip address 172.16.201.1 255.255.255.252
Router-2-SCL(config-subif)#no shutdown
Router-2-SCL(config-subif)#interface Po1.202
Router-2-SCL(config-subif)#description SCL-ggc
Router-2-SCL(config-subif)#encapsulation dot1Q 202
Router-2-SCL(config-subif)#ip address 172.16.202.1 255.255.255.252
Router-2-SCL(config-subif)#no shutdown
Router-2-SCL(config-subif)#end
Router-2-SCL#wr
Router-2-SCL#ping 8.8.8.8 source 172.16.201.1
Configuring LACP/Ether Channel on Cisco Switch
In Cisco switch the configuration can be configured any of the followings.
switch(config)#vlan 201-204
switch(config-vlan)#exit
switch(config)#vlan 1000
switch(config-vlan)#name Managenment-Vlan
switch(config-vlan)#exit
switch(config)#int vlan 1000
switch(config-if)#description ***Link To Mikrotik Router***
switch(config-if)#ip address 10.111.111.2 255.255.255.252
switch(config-if)#no shutdown
switch(config-if)#exit
switch(config)#ip default-gateway 10.111.111.1
switch(config)#interface range ethernet 0/0-1
switch(config-if-range)#shutdown
switch(config-if-range)#channel-protocol lacp
switch(config-if-range)#channel-group 1 mode active
switch(config-if-range)#no shutdown
switch(config-if-range)#exit
switch(config)#int Po1
switch(config-if)#switchport trunk encapsulation dot1q
switch(config-if)#switchport mode trunk
switch(config-if)#switchport trunk allowed vlan all
switch(config-if)#switchport trunk native vlan 1000
switch(config-if)#no shutdown
switch(config-if)#exit
or
switch#vlan database
switch#conf t
switch(vlan)#vlan 201 name SCL-int
switch(vlan)#vlan 203 name SCL-fna
switch(vlan)#apply
switch(vlan)#exit
switch(config)#interface range fastEthernet 1/0 - 1
switch(config-if-range)#channel-group 1 mode on
switch(config-if-range)#switchport mode trunk
switch(config-if-range)#no shutdown
switch(config-if-range)#switchport trunk allowed vlan 1,1001-1005,201-204
switch(config)#interface port-channel 1
switch(config-if-range)#exit
switch(config-if)#switchport mode trunk
switch(config-if)#switchport trunk allowed vlan 1,1001-1005,201-204
switch(config)#interface range fastEthernet 1/10 - 11
switch(config-if)#no shutdown
switch(config-if)#exit
switch(config-if-range)#channel-group 2 mode on
switch(config-if-range)#switchport mode trunk
switch(config-if-range)#switchport trunk allowed vlan 1,1001-1005,201-204
switch(config)#interface port-channel 2
switch(config-if-range)#no shutdown
switch(config-if)#switchport mode trunk
switch(config-if)#switchport trunk allowed vlan 1,1001-1005,201-204
switch(config-if)#no shutdown
switch(config-if)#exit
switch# wr
switch(config)#end
switch# sh vlan-switch
switch# sh ip int br
switch# sh int port-channel 1 summary
switch# sh int port-channel 1 status
switch# sh etherchannel summary
Link Aggregation Configuration on Juniper Router
set interfaces ge-0/0/6 ether-options 802.3ad ae0
set interfaces ge-0/0/7 ether-options 802.3ad ae0
set interfaces ae0 vlan-tagging
set interfaces ae0 aggregated-ether-options lacp active periodic fast
set interfaces ae0 unit 0 family ethernet-switching interface-mode trunk
set vlan vlan1000 vlan-id 1000
set interfaces ae0 unit 0 family ethernet-switching vlan members vlan1000
show interfaces
show lacp interfaces ae0
user@host> show lacp statistics interfaces ae0
user@host# clear lacp statistics interfaces ae0
Bonding on Mikrotik Router
/interface bonding add slaves=ether1,ether2 mode=802.3ad lacp-rate=30secs link-monitoring=mii transmit-hash-policy=layer-2-and-3
Network teaming on Linux
Create the team interface
nmcli con add type team con - name CNAME ifname INAME [config JSON]
where CNAME will be the name used to refer to the connection, INAME will be the interface name, and JSON specifies the runner to be used. JSON has the following syntax:
'{"runner": {"name": "METHOD"}}'
where METHOD is one of the following: broadcast, roundrobin, activebackup, loadbalance, or lacp.
Determine the IPv4/IPv6 attributes of the team interface
[root@demo -)# nmcli con mod team0 ipv4.addresses 1.2.3.4/24
[root@demo -)# nmcli con mod team0 ipv4.method manual
Assign the port interfaces
nmcli con add type team-slave con-name CNAME ifname INAME master TEAM
where CNAME will be the name used to refer to the port, INAME is the name of an existing interface, and TEAM specifies the connection name of the network team interface.
The connection name can be explicitly specified, or it will be team-slave-IFACE by default.
[root@demo -]# nmcli con add type team-slave ifname eth1 master team0
[root@demo -]# nmcli con add type team-slave ifname eth2 master team0 con-name team0-eth2
Bring the team and port interfaces up/down
nmcli dev dis INAME
nmcli con up CNAME
INAME is the device name of the team or port interface to be managed. CNAME is the connection name of that interface. where CNAME is the connection name of the team or port interface to be managed.
The output of this command includes the status of the port interfaces.
[root@demo -]# teamdctl team0 state
[root@demo -]# teamdctl team0 config dump
Example:
[student@serverx-]$ sudo -i
[root@serverX-]# ip link
[root@serverx-]#nmcli con add type team con-name team0 ifname team0 config '{"runner": {"name": "activebackup"}}'
[root@serverx-]#nmcli con mod team0 ipv4.addresses '192.168.0.100/24'
[root@serverx-]#nmcli con mod team0 ipv4.method manual
[root@serverx-]#nmcli con add type team-slave con-name team0-port1 ifname eno1 master team0
[root@serverx-]#nmcli con add type team-slave con-name team0-port2 ifname eno2 master team0
[root@serverx-]# teamdctl team0 state
[student@serverx-]$ping -I team0 192.168.0.254
[root@serverX-]#nmcli dev dis eno1 <If want to down any interface of the team>
[root@serverX-]#nmcli con up team0-port1 <If want to up any interface of the team>
Setting and adjusting team configuration
NetworkManager creates configuration files for network teaming in the /etc/sysconfig/network-scripts the same way it does for other interfaces.
[student@serverx-]$ sudo -i
[root@serverx-]#teamdctl team0 state
[root@serverX-]#cat /etc/sysconfig/network-scripts/ifcfg-team0
[root@serverX-]#cat /etc/sysconfig/network-scripts/ifcfg-team0-port1
[root@serverX-]#cat /etc/sysconfig/network-scripts/ifcfg-team0-port2
[root@serverx-]#nmcli dev dis team0 <Bring the team0 interface down to edit>
[root@serverX-]#vim /etc/sysconfig/network-scripts/ifcfg-team0
<Edit & adjust to use roundrobin>
[root@serverx-]#grep runner /etc/sysconfig/network-scripts/ifcfg-team0
[root@serverx-]#nmcli con load /etc/sysconfig/network-scripts/ifcfg-team0
[root@serverX-]#nmcli con up team0
[root@serverx-]#ping -I team0 192.168.0.254
[root@serverX-]#nmcli con up team0-port1
[root@serverX-]#nmcli con up team0-port2
[root@serverX-]#teamdctl team0 config dump
[root@serverx-]#teamnl team0 options <to display the tunable options>
[root@demo -]#teamnl team0 ports <to display the team ports>
[root@demo -]#teamnl team0 getoption activeport <to display currently active ports>
[root@demo -]#teamnl team0 setoption activeport 3 <Set the option for the active port>
[root@serverX-]#nmcli con mod team0 team.config '{"runner": {"name": "activebackup"}}'
<to modify the team interface>
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