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Linux on IBM eServer zSeries and S/390: TCP/IP Broadcast on z/VM Guest LAN

An IBM Redpaper publication

Note: This is publication is now archived. For reference only.


Published on 31 January 2003

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IBM Form #: REDP-3596-00

Authors: Simon Williams

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    This Redpaper provides information to help readers plan for and exploit Internet Protocol (IP) broadcast support that was made available to z/VM Guest LAN environments with the introduction of the z/VM 4.3 Operating System.

    Using IP broadcast support, Linux guests can for the first time use DHCP to lease an IP address dynamically from a DHCP server in a z/VM Guest LAN environment. This frees the administrator from the previous method of having to hardcode an IP address for every Linux guest in the system. This new feature enables easier deployment and administration of large-scale Linux environments.

    Table of Contents

    z/VM Guest LAN


    Guest LAN configuration

    IP addressing

    An introduction to DHCP

    Obtaining configuration information

    Lease renewal

    DHCP relay agent

    DHCP in a z/VM Guest LAN

    Implementing DHCP in a z/VM Guest LAN

    Linux installation using DHCP



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