This article explains how to modify network settings on a Junos Space node. This may be required in situations where Junos Space IP addresses, DNS servers, or interface configurations need to be updated.

This procedure is applicable when:

• The Junos Space management IP address must be changed.

• The Virtual IP (VIP) of a Space cluster needs to be updated.

• Device management interface requires reconfiguration.

1. Log in to the Junos Space console

Access the node using SSH or the VM console.

2. Launch the jmp_setup utility

# jmp_setup

You will be presented with the following menu:

Choice [1-7,AQR]:

1> Change Password
2> Change Network Settings
3> Change Time Options
4> Retrieve Logs
5> Security
6> Expand VM Drive Size
7> (Debug) run shell

Select Option 2:

Choice [1-7,AQR]: 2

3. Network Settings Menu

Change Network Settings:
1> Set DNS Servers
2> Change IP Address of Space node
3> Change Static Routes

Choice [1-3,AMR]: 2

Warning: Any changes will trigger fabric restart. Change of IP requires DR-RESET in case DR is configured.
Do you want to continue (y/N)? y

4. Change IP Address Options

Change IP Address of Space node:
1> Change VIP
2> Change Node Management Interface
3> Change Device Management Interface
4> Configure NAT

Option details:

• Option 1 – Change VIP: Modify the Virtual IP address of the Space cluster.

• Option 2 – Node Management Interface: Change the eth0 management interface IP address.

• Option 3 – Device Management Interface: Disable or change the IP address of the eth3 interface.

• Option 4 – Configure NAT: Configure NAT settings if required.

Service Impact: 

Applying changes will automatically reboot the Junos Space node

Note : If you face any issues, please contact JUNIPER JTAC Support for assistance.