User Manual UMN:CLIV8102417Command Mode Descriptionip dhcp snooping limit-rate <1-255>Interface[XE/GE/GPON/CG]Sets a rate limit of DHCP packets.1-255: the number of DHCP packets per secondno ip dhcp snooping limit-rate Disable the discover message limit function.9.6.7.5 DHCP Lease LimitThe number of entry registrations in DHCP snooping binding table can be limited. If thereare too many DHCP clients on an interface and they request IP address at the same time,it may cause IP pool exhaustion.To set the number of entry registrations in DHCP snooping binding table, use the follow-ing command.Command Mode Descriptionip dhcp snooping limit-lease <1-2147483637>Interface[XE/GE/GPON/CG]Enables a DHCP lease limit on a specified un-trusted port.1-2147483637: the number of entry registrationsno ip dhcp snooping limit-lease Deletes a DHCP lease limit.You can limit the number of entry registrations only for untrusted interfaces, because theDHCP snooping binding table only contains the information for DHCP messages from un-trusted interfaces.9.6.7.6 Source MAC Address VerificationThe V8102 can verify that the source MAC address in a DHCP packet that is received onuntrusted ports matches the client hardware address in the packet.To enable the source MAC address verification, use the following command.Command Mode Descriptionip dhcp snooping verify mac-addressGlobalEnables the source MAC address veri-fication.no ip dhcp snooping verify mac-address Disables the source MAC address veri-fication.9.6.7.7 Static DHCP Snooping BindingThe DHCP snooping binding table contains a hardware address, IP address, lease time,VLAN ID, and port information that correspond to the untrusted interfaces of the system.To manually specify a DHCP snooping binding entry, use the following command.Command Mode Descriptionip dhcp snooping binding <1-4094> A.B.C.D MAC-ADDR <infi-nite | 120-2147483637>Interface[XE/GE/GPON/CG]Configures binding on DHCP snooping table.1-4094: VLAN IDA.B.C.D: IP address!
