Add IP to Node Firewall
Introduction
If you need to add a reserved IP to a node (for example, on a firewall node), follow this runbook.
Step 1: Check Node Interfaces
List the network interfaces on the node:
ip -br a
The device name is usually something like ens192.
Step 2: Add the IP Address
Add the reserved IP to the correct interface:
ip addr add <IP> dev <device-name>
Step 3: Verify Connectivity
Confirm the IP is reachable by pinging it:
ping <IP>