Zte ZXR10 8900 Series - Configuring DHCP Relay; Configuring DHCP Snooping

Chapter7DHCPConguration
Step
CommandFunction
4
ZXR10(config)#ipdhcpserverdns<mdns-address
>[<sdns-address>]
ThissetsDNSaddress
advertisedbyaDHCPserver
toclient.
5
ZXR10(config)#interfacevlan<vlan-number>
ThisaccessesVLANL3
interface.
6
ZXR10(config-if)#ipdhcpmodeserverThisenablesDHCPonan
interface.
7
ZXR10(config-if)#ipdhcpservergateway
<ip-address>
Thisconguresdefault
gatewayaddressforone
client.
8
ZXR10(config-if)#peerdefaultippool<pool-name>ThisappliesdenedIP
addresspoolonL3interface.
ConfiguringDHCPRelay
TocongureDHCPrelay,performthefollowingsteps.
Step
CommandFunction
1
ZXR10(config)#ipdhcpenableThisenablesDHCPprocess
2
ZXR10(config)#interfacevlan<vlan-number>
ThisentersLayer3VLAN
interfacecongurationmode
3
ZXR10(config-if)#ipdhcpmoderelay
ThisconguresDHCPrelayon
aninterface
4
ZXR10(config-if)#ipdhcprelayserver<ip-address>
ipdhcprelayagent<ip-address>
ThisconguresDHCPrelay
agent
5
ZXR10(config-if)#ipdhcprelayserver
<ip-address>{security|standard}
ThisconguresIPaddressof
externalDHCPserver
Note:
InthecommandofStep5,whenthemodeissettosecurity,the
addressofDHCPserverdisplayedonDHCPClientistheaddress
ofrelayagent.Whenthemodeissettostandard,theaddressof
DHCPserverdisplayedonDHCPClientisactuallytheaddressof
theserver .Therefore,thesecuritymodecanprotecttheserver
fromattack.
ConfiguringDHCPSnooping
TocongureDHCPsnooping,performthefollowingsteps.
CondentialandProprietaryInformationofZTECORPORATION67