Operation Manual – DHCPH3C S3100 Series Ethernet Switches Chapter 3 DHCP Packet Rate Limit Configuration3-3Operation Command DescriptionConfigure the port stateauto-recovery intervaldhcp protective-downrecover interval intervalOptionalBy default, theauto-discovery interval is300 seconds.3.3 Rate Limit Configuration ExampleI. Network requirementsAs shown in Figure 3-1, Ethernet1/0/1 of the S3100-EI switch is connected to theDHCP server. Ethernet1/0/2 is connected to client B and Ethernet1/0/11 is connected toclient A.z Enable DHCP snooping on the switch, and specify Ethernet1/0/1 as the DHCPsnooping trusted port.z Configure DHCP packet rate limit on Ethernet1/0/11 and set the maximum DHCPpacket rate allowed on the port to 100 pps.z Set the port state auto-recovery interval to 30 seconds on the switch.II. Networking diagramEthernet1/0/2Client A Client BEthernet1/0/11DHCP ServerDHCP SnoopingEthernet1/0/1Figure 3-1 Network diagram for DHCP packet rate limit configurationIII. Configuration procedure# Enable DHCP snooping on the switch. system-view[Switch] dhcp-snooping# Specify Ethernet1/0/1 as the trusted port.[Switch] interface Ethernet1/0/1
