Stage 2: Activating and deactivating IP addresses for takeover

Red Hat Enterprise Linux 9.2 LPAR mode z/VM guest

The qeth device driver maintains a list of IP addresses that qeth group devices can take over or surrender. To enable Linux® to take over an IP-address or to surrender an address, the address must be added to this list.

Procedure

Use the qethconf command to add IP addresses to the list.

To display the list of IP addresses that are activated for IP takeover issue:
```
# qethconf ipa list
```
To activate an IP address for IP takeover, add it to the list.
Issue a command of the form:
```
# qethconf ipa add <ip_address>/<mask_bits> <interface_name>
```
To deactivate an IP address delete it from the list.
Issue a command of the form:
```
# qethconf ipa del <ip_address>/<mask_bits> <interface_name>
```
In these commands, <ip_address>/<mask_bits> is the range of IP addresses to be activated or deactivated. See qethconf - Configure qeth devices for more details about the qethconf command.