Zte ZXR10 2900E Series - DHCP Configuration

Chapter5ServiceConguration
Taggedinvlan:30-40
Untaggedinvlan:1,10-20
SwitchB(cfg)#showport1vlan
PortId:1
Taggedinvlan:10-20
Untaggedinvlan:1,30-40
SwitchA(cfg)#showvlan30
VlanId:30VlanStatus:enabled
VlanName:
VlanMode:Dynamic
Taggedports:1
Untaggedports:
Forbiddenports:
SwitchB(cfg)#showvlan10
VlanId:10VlanStatus:enabled
VlanName:
VlanMode:Dynamic
Taggedports:1
Untaggedports:
Forbiddenports:
5.27DHCPConguration
DHCPOverview
TheDynamicHostCongurationProtocol(DHCP)enablesthehosttorequestdynamic
addressesfromtheserver.
TheZXR102900EDHCPfunctionincludesthefollowingcontents:
TheDHCPsnoopingfunctionpreventsbogusDHCPserversfrombeingdeployedinthe
network,andinthiscase,theportconnectingtoDHCPservermustbesettoatrusted
port.Besides,thedynamicARPinspectiontechnologycanbeusedtogethertoprevent
illegalIPandMACaddressbinding,thusensuringnormalassignmentofIPaddresses
bytheDHCPserver.DHCPSnoopingandOption82aredesignedtosolvethesesafety
problems.DHCPSnooping,namelyDHCPpacketltering,istodetectlegalityofDHCP
packetsbasedonsomespecialrulesandlterillegalpackets.UseOption82techniqueto
providemoreadditionalinformation,andthenstrengthenthenetworksafetyability.
IntheDHCPservicesystem,theZXR102900Eseriesswitchesareprovidedwithalot
ofautomaticallydeployedfunctions.Fordetails,seeDownloadingtheSoftwareVersion
Automatically.
ConguringDHCP
TheDHCPcongurationincludesthefollowingcommands:
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SJ-20130731155059-002|2013-11-27(R1.0)ZTEProprietaryandCondential