Specifications

RoamAbout Mobility System Software Configuration Guide E-1
E
DHCP Server
MSShasaDHCPserverthattheswitchusestoallocateIPaddressestothefollowing:
•Hostconnectedtoanew(unconfigured)RBT8100,toconfiguretheswitchusingtheWeb
QuickStart
DHCPservicefortheseitemsisenabledbydefault.
Optionally,youcanconfiguretheDHCPservertoalso
provideIPaddressestoDistributedAPs
andtoclients.
ConfigurationissupportedonanindividualVLANbasis.WhenyouconfiguretheDHCP server
onaVLAN,theservercanserveaddressesonlyfromthesubnetthatcontainsthehostaddress
assignedtotheVLAN.Bydefault,theVLANcanserveany
unusedaddressinthesubnetexcept
theVLAN’shostaddressandthenetworkandbroadcastaddresses.Youcanspecifytheaddress
range.
YoucanconfiguretheDHCPserveronmorethanoneVLAN.YoucanconfigureaDHCPclient
andDHCPserveronthesameVLAN,butonlytheclient
ortheservercanbeenabled.TheDHCP
clientandDHCPservercannotbothbe enab ledonthesameVLANatthesametime.
TheMSSDHCPserverisimplementedaccordingto“RFC2131:DynamicHostConfiguration
Protocol”and“RFC2132:DHCPOptionsandBOOTPVendorExtensions”,withthefollowing
exceptions:
•If
theswitchispowereddownorrestarted,MSSdoesnotretainaddressallocationsorlease
times.
•TheMSSDHCPserverwillnotoperateproperlywhenanotherDHCPserverispresentonthe
samesubnet.
•TheMSSDHCPserverisconfigurableonanindividualVLANbasisonly,andoperatesonly
onthe
subnetsforwhichyouconfigureit.
For information about... Refer to page...
How the MSS DHCP Server Works E-2
Configuring the DHCP Server E-2
Displaying DHCP Server Information E-3
Note: Use of the MSS DHCP server to allocate client addresses is intended for temporary,
demonstration deployments and not for production networks. Enterasys Networks recommends that
you do not use the MSS DHCP server to allocate client addresses in a production network.