Troubleshooting Dhcp Relay Agent - H3C S7500 Series Operation Manual

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Operation Manual – DHCP

H3C S7500 Series Ethernet Switches

3.5 Troubleshooting DHCP Relay Agent

A client fails to obtain configuration information through a DHCP relay agent.

II. Analysis

This problem may be caused by improper DHCP relay agent configuration. When a

DHCP relay agent operates improperly, you can locate the problem by enabling

debugging and checking the information about debugging and interface state (You

can display the information by executing the corresponding display command).

III. Solution

Check if DHCP is enabled on the DHCP server and the DHCP relay agent.

Check if an address pool that is on the same network segment with the DHCP

clients is configured on the DHCP server.

Check if a reachable route is configured between the DHCP relay agent and the

DHCP server.

Check the DHCP relay agent-enabled network devices. Check if the correct

DHCP server group is configured on the interface connecting the network

segment where the DHCP client resides. Check if the IP address of the DCHP

server group is correct.

Chapter 3 DHCP Relay Agent Configuration

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