After a migration to a new data center, you may need to reconfigure a network interface (re-IP). This requires going into the appliance nodes and reconfiguring the network settings.
Procedure
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SSH into appliance node as a root user.
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Locate the network configuration files in /etc/systemd/network.
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Edit the
vi /etc/systemd/network/10-eth0.networknetwork configuration file and update the network settings. -
Save the network configuration file.
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To apply the new configuration, restart the systemd-networkd service by running the following command:
systemctl restart systemd-networkd
For more information about network configuration files, processing order, and matching rules, sections, and keys, see systemd.network — Network configuration.
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