How to configure Management Interface IP Address on F5 Load Balancer?

--> F5 BIG IP System contains two different types of network interfaces:

 i) TMM Switch Interfaces

ii) Management Interface

--> Management Interface is used for administration of F5 Load Balancer.

--> TMM Switch interface is used for both administration and application traffic of F5 Load Balancer.

--> The management interface on F5 Load balancer is used to perform management related functions.

--> The management interface is not used in load balancing the traffic.

--> The management interface should be connected to the trusted network in the company network.

--> F5 recommends configuring private IP address on management interface of F5 BIG IP System.

--> By default, F5 BIG-IP comes with 192.168.1.245/24 IP address on the management interface.

--> We can change F5 BIG-IP Management IP Address by using the following methods,

1) Using LCD Panel

--> This method works only with physical appliances such as BIG IP and VIPRION.

--> This method does not work, if the F5 Load Balancer is installed in Virtual Machine using VMWARE or Hyper-V.

--> Access the system menu by using the Red button, then change the IP Address and subnet mask and click on commit to save changes.

2) Using Serial Console

--> Requires Console cable to connect the management PC to F5 BIG IP System.

--> No need to configure any IP Address on management PC.

--> Use the terminal emulation program such as putty, super putty to access the console.

--> use the following command to change the Management IP Address on F5 BIG IP System,

tmsh

create /sys management-ip < address/netmask>  --> To change the IP Address

create /sys management-route default gateway <gateway ip address>  --> To change the default Gateway

save /sys config partitions all  --> To save the configuration

3) Using Management Interface

--> Requires RJ-45 cable need to be connected from Management PC to the management interface of F5 BIG IP System.

--> Management PC initially should be in the same network of F5 BIG IP System ( 192.168.1.0/24).

--> We can access the F5 BIG IP System by using web or CLI Interface.

--> If you are using the web interface to access the F5 BIG IP System then use the following credentials:

Username : admin

Password : admin

--> If you are using the command line interface to access the F5 BIG IP System then use the following credentials:

Username : root

Password : default

--> Access the default IP Address using SSH from Management PC and execute the following commands,

config# config

Management IP Address: 192.168.1.100

Subnet Mask: 255.255.255.0

default route: 192.168.1.1

--> Then click on yes < Accept Settings >.

--> If you are using the web interface to configure the management IP address of F5 Load Balancer then follow below steps,

i) Access the F5 Configuration utility.

ii) Navigate to System > Platform.

iii) In Management Port settings, change the IP address, network mask, and management route.

iv) Click on Update.

Note: You will lose your connection to F5 BIG IP system if you change the management IP address via the management interface of F5 BIG IP System.

Ref: f5.com