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To change the IP address of the pool master
1. Use the pif-reconfigure-ip CLI command to set the IP address as desired. See Appendix A, Command Line
Interface for details on the parameters of the pif-reconfigure-ip command:
xe pif-reconfigure-ip uuid=<pif_uuid> mode=DHCP
2. When the IP address of the pool master host is changed, all member hosts will enter into an emergency
mode when they fail to contact the master host.
3. On the master XenServer host, use the pool-recover-slaves command to force the master to contact each
of the member hosts and inform them of the new master IP address:
xe pool-recover-slaves
Primary management interface
When XenServer is installed on a host with multiple NICs, one NIC is selected for use as the primary management
interface. The primary management interface is used for XenCenter connections to the host and for host-to-host
communication.
To change the NIC used for the primary management interface
1. Use the pif-list command to determine which PIF corresponds to the NIC to be used as the primary
management interface. The UUID of each PIF is returned.
xe pif-list
2. Use the pif-param-list command to verify the IP addressing configuration for the PIF that will be used for the
primary management interface. If necessary, use the pif-reconfigure-ip command to configure IP addressing
for the PIF to be used. See Appendix A, Command Line Interface for more detail on the options available for
the pif-reconfigure-ip command.
xe pif-param-list uuid=<pif_uuid>
3. Use the host-management-reconfigure CLI command to change the PIF used for the primary management
interface. If this host is part of a resource pool, this command must be issued on the member host console:
xe host-management-reconfigure pif-uuid=<pif_uuid>
Warning:
Putting the primary management interface on a VLAN network is not supported.
Disabling management access
To disable remote access to the management console entirely, use the host-management-disable CLI command.
Warning:
Once the primary management interface is disabled, you will have to log in on the physical
host console to perform management tasks and external interfaces such as XenCenter will
no longer work.
Adding a new physical NIC
Install a new physical NIC on a XenServer host in the usual manner. Then, after restarting the server, run the xe
CLI command pif-scan to cause a new PIF object to be created for the new NIC.
Networking Troubleshooting
If you are having problems with configuring networking, first ensure that you have not directly modified any of
the control domain ifcfg-* files directly. These files are directly managed by the control domain host agent,
and changes will be overwritten.