Dhcp Relay Configuration - Edge-Core ES4624-SFP Basic Management Manual

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log and is no longer used by anyone, so he deletes the record from the address conflict

Switch#clear ip dhcp conflict 10.1.128.160

14.2.2.23 clear ip dhcp server statistics

Command: clear ip dhcp server statistics

Function: Deletes the statistics for DHCP server, clears the DHCP server count.

Command mode: Admin Mode

Usage Guide: DHCP count statistics can be viewed with "show ip dhcp server

statistics" command, all information is accumulated. You can use the "clear ip dhcp

server statistics" command to clear the count for easier statistics checking.

Example: clearing the count for DHCP server.

Switch#clear ip dhcp server statistics

14.2.2.24 debug ip dhcp server

Command: debug ip dhcp server { events|linkage|packets }

no debug ip dhcp server { events|linkage|packets }

Function: Enables DHCP server debug information: the "no debug ip dhcp server

{ events|linkage|packets }" command disables the debug information for DHCP server.

Default: Debug information is disabled by default.

Command mode: Admin Mode

14.3 DHCP Relay Configuration

When the DHCP client and server are in different segments, DHCP relay is required

to transfer DHCP packets. Adding a DHCP relay makes it unnecessary to configure a

DHCP server for each segment, one DHCP server can provide the network configuration

parameter for clients from multiple segments, which is not only cost-effective but also

management-effective.

DHCPDiscover(Broadcast)

DHCPOFFER(Unicast)

DHCPREQUEST(Broadcast)

DHCPACK(Unicast)

As shown in the above figure, the DHCP client and the DHCP server are in different

Fig 14-2 DHCP relay

DHCPDiscover