METHOD AND APPARATUS FOR RECOGNIZING DHCP SERVER

摘要

The present invention relates to a method and an apparatus for recognizing a dynamic host configuration protocol (DHCP) server. The method comprises: broadcasting a DHCP Discover message in a virtual machine subnetwork, where the virtual machine subnetwork comprises a plurality of virtual machines and one virtual switch, the plurality of virtual machines is created from physical resources on a host, and the virtual machine subnetwork further comprises at least one valid DHCP server for providing the virtual machine with an IP address; receiving a DHCP Offer message, where the DHCP Offer message comprises address information of a first DHCP server; and acquiring the address information of the first DHCP server, and according to the address information of the first DHCP server, and recognizing whether the first DHCP server is an invalid DHCP server. The embodiments of the present invention implement recognition of a DHCP Server in a physical machine environment and virtualized environment.