ZXR102900ESeriesCongurationGuide
CommandFunction
showdhcpip-source-guard(allcongurationmodes)
Displaysportip-source-guard
conguration.
showdhcpoption82(allcongurationmodes)
DisplaysDHCPoption82conguration
information.
showdhcpoption82port(allcongurationmodes)
Displaysthecongurationinformation
ofDHCPoption82.
showdhcpoption82device(allcongurationmodes)
Displaysthecongurationinformation
ofdevice.
zte(cfg)#setdhcpclient{enable|disable}
EnablesordisablesDHCPclient
function.
zte(cfg)#setdhcpclientbroadcast-flag{enable|disable}
SetswhetherthepacketthatDHCP
serverreturnsisbroadcastpacket.
showdhcpclient(allcongurationmodes)
DisplaysDHCPclientconguration
information.
zte(cfg-router)#setipport<0-63>ipaddressdhcp
SetstheIPaddressoflayer-3interface
acquiredbyDHCPprotocol.
zte(cfg-router)#setipport<0-63>ipaddressdhcp{release|renew}
Releasesorrenewslayer-3interfaceIP
address.
zte(cfg-router)#setipport<0-63>dhcpclient{class-id{characters<string>|
hex-numbers<hex-string>}|client-idmac|hostname<string>|lease
{<0-365><0-23><0-59>|infinite}}
SetsthesendingmessagewhenDHCP
clientinteractswithserver.
zte(cfg-router)#setipport<0-63>dhcpclientrequest{dns-server|
domain-name|route|static-route|tftp-server-name}
Setsmessagetypesentbyserverwhen
DHCPclientinteractswithserver.
zte(cfg-router)#clearipport<0-63>dhcpclient{class-id|client-id|
hostname|lease}
ClearsDHCPclientoptionalsending
informationconguration.
zte(cfg-router)#clearipport<0-63>dhcpclientrequest{dns-server|
domain-name|route|static-route|tftp-server-name}
Clearsthecongurationrequesting
DHCPservertoreturnvarious
information.
zte(cfg)#setdhcpsnoopingbind-entrydatabasereadReadsDHCPbindingentryfromash.
zte(cfg)#setdhcpsnoopingbind-entrydatabaserecovery{disable|enable}
Recoversbindingentryfromashafter
restarted.
zte(cfg)#setdhcpsnoopingbind-entrydatabasetime-write{disable|enable
|time<30-65535>}
WritesDHCPbindingentryintoashat
regulartime.
zte(cfg)#setdhcpsnoopingbind-entrydatabasewriteWritesDHCPbindingentryintoash.
showdhcpsnoopingdatabase(allcongurationmodes)
DisplayscongurationrelatedtoDHCP
database.
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SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandCondential