M A G N U M 6 K S W I T C H E S , M N S - 6 K U S E R G U I D Eacknowledgement to the client. The system as a whole expects the client to configure its networkinterface with the supplied options.DHCP InformationThe client sends a request to the DHCP server: either to request more information than the serversent with the original DHCP ACK; or to repeat data for a particular application. Such queries donot cause the DHCP server to refresh the IP expiry time in its database.DHCP ReleaseThe client sends a request to the DHCP server to release the DHCP and the client releases its IPaddress as well. The DHCP protocol does not define the sending of DHCP Release as mandatory,as the release of IP address is up to the client.Client ConfigurationA DHCP server can provide optional configuration parameters to the client. RFC 2132 definesthe available DHCP options, which are summarized here. Defined by Internet Assigned NumbersAuthority (IANA) - DHCP and BOOTP PARAMETERSMNS-6K-SECURE ImplementationMNS-6K implements the DHCP server for MNS-6K-SECURE. The commands to implementthe DHCP server areSyntax - dhcpsrv - start or stop the DHCP server. By default, the server is offSyntax - config startip= endip= mask= [dns=…dns10>] [gateway=] [leasetime=] – configurethe DHCP lease request parameters such as starting IP address, ending IP address, DNS serverparameters, default gateway IP address and lease timeSyntax – addlease ip= mac= [leasetime=] – add a specific hostwith a specific IP address81
