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What is the default state of DHCP relay on an HP E5400 zl Series switch?
A. DHCP relay is enabled as soon as a DHCP server is defined.
B. DHCP relay is enabled as soon as an IP interface is defined on the switch.
C. DHCP relay is enabled globally but must be configured for each VLAN.
D. DHCP relay is disabled globally.
Correct Answer: C
Explanation/Reference:
Prerequisites for DHCP Relay Operation:
For the DHCP Relay agent to work on the switch, the following steps need to be completed:
Enable DHCP Relay on the routing switch (the default setting).
Ensure that a DHCP server is servicing the routing switch.
Enable IP Routing on the routing switch.
Ensure that there is a route from the DHCP server to the routing switch and back.
Configure one or more IP helper addresses for specified VLANs to forward DHCP requests to DHCP servers on other subnets.
To enable the DHCP Relay:
The DHCP Relay function is enabled by default on a ProCurve routing switch. However, if DHCP has been disabled, you can re-enable it by entering the following command at the global configuration level:
ProCurve(config)# dhcp-relay
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