After the administrator of an enterprise deploys a DHCP server, employees complain that their clients cannot obtain IP addresses from the DHCP server. Which of the following may cause this problem?
A.
Multiple DHCP servers are configured.
B.
STP is enabled on the DHCP server.
C.
The DHCP function is disabled by default, and the administrator forgets to enable the DHCP function.
D.
DHCP clients and the DHCP server are on different network segments, and no DHCP relay agent is configured on the network.
Comprehensive and Detailed Step-by-Step Explanation:
DHCP Configuration Issues:
Option C: The DHCP function is disabled by default on Huawei devices. If the administrator forgets to enable it, clients cannot receive IP addresses.
Option D: DHCP uses broadcast messages, which do not traverse routers. If the clients and DHCP server are on different subnets, a DHCP relay agent must be configured.
Other Options:
Option A: Multiple DHCP servers can coexist as long as their IP address pools do not overlap. This is unlikely to cause the problem.
Option B: STP does not affect DHCP operations unless it delays port activation, which is uncommon in this scenario.
[References:, HCIA-Datacom Study Guide, Chapter: DHCP Configuration and Troubleshooting, Huawei DHCP Relay Agent Configuration, , , ]
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