Automatic IRF setup
Network requirements
As shown in Figure 10, Switch A and Switch B do not have a configuration file.
Configure the servers so the switches can obtain a Python script to complete their respective configurations and form an IRF fabric.
Figure 44: Network diagram
Configuration procedure
Assign IP addresses to the interfaces. Make sure the devices can reach each other. (Details not shown.)
Configure the following files on the HTTP server:
File | Content | Remarks |
---|---|---|
.cfg configuration file | Commands required for IRF setup. | You can create a configuration file by copying and modifying the configuration file of an existing IRF fabric. |
sn.txt | Serial numbers of the member switches. | Each SN uniquely identifies a switch. These SNs will be used for assigning a unique IRF member ID to each member switch. |
(Optional.) .ipe or .bin software image file | Software images. | If the member switches are running different software versions, you must prepare the software image file used for software upgrade. |
.py Python script file | Python commands and APIs that complete the following tasks:
| For more information about Python script configuration, see "Using Python." |
Configure Device A as the DHCP server:
# Enable DHCP.
<DeviceA> system-view [DeviceA] dhcp enable
# Configure address pool 1 to assign IP addresses on subnet 192.168.1.0/24 to clients.
[DeviceA] dhcp server ip-pool 1 [DeviceA-dhcp-pool-1] network 192.168.1.0 24
# Enable the DHCP server on Ten-GigabitEthernet 1/0/1.
[DeviceA] interface Ten-GigabitEthernet 1/0/1 [DeviceA-Ten-GigabitEthernet1/0/1] dhcp select server [DeviceA-Ten-GigabitEthernet1/0/1] quit
# Specify the URL of the script file for the clients.
[DeviceA-dhcp-pool-1] bootfile-name http://192.168.1.40/device.py [DeviceA-dhcp-pool-1] quit
Power on Switch A and Switch B.
Switch A and Switch B will obtain the Python script file from the DHCP server and execute the script. After completing the IRF configuration, Switch A and Switch B reboot.
After Switch A and Switch B start up again, use a cable to connect Switch A and Switch B through their IRF physical ports.
Switch A and Switch B will elect a master member. The subordinate member will reboot to join the IRF fabric.
Verifying the configuration
# On Switch A, display IRF member devices. You can also use the display irf command on Switch B to display IRF member devices.
<Switch A> display irf MemberID Slot Role Priority CPU-Mac Description 1 1 Standby 1 00e0-fc0f-8c02 --- *+2 1 Master 30 00e0-fc0f-8c14 --- -------------------------------------------------- * indicates the device is the master. + indicates the device through which the user logs in. The Bridge MAC of the IRF is: 000c-1000-1111 Auto upgrade : yes Mac persistent : always Domain ID : 0 Auto merge : yes
The output shows that the switches have formed an IRF fabric.