DHCP Overview option
20-14 DHCP Configuration
Parameters
Defaults
None.
Mode
Routercommand,AnyDHCPconfigurationmode.
Usage
Thenextserveristheservertheclientwillcontactforthebootfileiftheprimaryserverisnotable
tosupplyit.AnextserverisusuallyspecifiedinamanualDHCPbindingconfigurationinorder
toprovideanIPaddresstoaBOOTPclientandallowtheclienttoreceivetheTFTPserveraddress
whendownloadingabootfileimage.
The“no”formofthiscommandremovesthenextserver.
Example
Thisexampleshowshowtospecify192.168.42.13asthenextserverinthebootprocess:
Matrix>Router(config)#ip dhcp pool localpool
Matrix>Router(config-dhcp-pool)#next-server 192.168.42.13

option

UsethiscommandtoconfigureDHCPoptions.
Syntax
option code [instance number] {ascii string | hex string | ip address}
no option code [instance number]
Parameters
Defaults
Ifinstanceisnotspecified,none(0)willbeapplied.
Mode
Routercommand,AnyDHCPconfigurationmode.
ipaddress SpecifiesthenextserverinthebootprocessbyIPaddress.
code SpecifiesaDHCPoptioncode.Supportedoptionsarespecifiedin
Table 201onpage 202.
instancenumber (Optional)Assignsaninstancenumbertothisoption.Validvaluesare0
to255.
asciistring|hexstring
|ipaddress
Specifiesacodeparameter.AnASCIIcharacterstringcontainingaspace
mustbeenclosedinquotations.