DHCP Overview option
20-14 DHCP Configuration
Parameters
Defaults
None.
Mode
Routercommand,AnyDHCPconfigurationmode.
Usage
Thenextserveristheservertheclientwillcontactforthebootfileiftheprimaryserverisnotable
tosupplyit.AnextserverisusuallyspecifiedinamanualDHCPbindingconfigurationinorder
toprovideanIPaddresstoaBOOTPclientandallowtheclient
toreceivetheTFTPserveraddress
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.
ip‐address SpecifiesthenextserverinthebootprocessbyIPaddress.
code SpecifiesaDHCPoptioncode.Supportedoptionsarespecifiedin
Table 20‐1onpage 20‐2.
instancenumber (Optional)Assignsaninstancenumbertothisoption.Validvaluesare0
to255.
asciistring|hexstri ng
|ipaddress
Specifiesacodeparameter.AnASCIIcharacterstringcontainingaspace
mustbe
enclosedinquotations.