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USER’S GUIDE
414 CyberSWITCH
3. If desired, enter MANAGE mode, and use the
dhcp change
command to enable the Relay
Agent. (Note: CFGEDIT can also be used to change the Relay Agent configuration; but the
changes will not take effect until the system is restarted.)
4. When Manage Mode is exited, an attempt will be made to enable the Relay Agent.
5. Re-examine the report log for the “Relay Agent Enabled” message.
6. Remember to “commit” the Manage Mode configuration changes to make them permanent.
RELAY AGENT OPERATION
Problem:
The DHCP client is not able to obtain its IP address from a DHCP server.
Action:
1. Check the DHCP configuration. This can be done by using CFGEDIT, or by using the
dhcp
Manage Mode command.
2. Make sure that the Relay Agent is enabled on the desired machine. Check the report log. A
message is written to it by the DHCP Relay Agent when it has been successfully enabled.
3. Make sure that the DHCP Relay Agent is properly configured. There must be a relay
destination configured for the desired DHCP Server, or for the next DHCP Relay Agent to go
through.
4. If the machine being configured is an intermediate DHCP Relay Agent, make sure that the Hop
Threshold is large enough to allow the number of Relay Agent “hops” between the DHCP
Client and the DHCP Server.
5. From the DHCP Server, you should be able to “ping” the DHCP Relay Agent closest to the
DHCP Client. If you cannot, you need to add static routes that allow you to do so.
6. From the DHCP Relay Agent closest to the DHCP Client, you should be able to “ping” the
DHCP Server. If you cannot, you need to add static routes that allow you to do so.
7. The DHCP Server must be configured to distribute addresses to clients on the DHCP Client’s
subnetwork.
DHCP: PROXY CLIENT
PROXY CLIENT INITIALIZATION
Problem:
The following message appears in the report log, after system initialization:
[DHCP-P] Proxy Client initialization failed
Action:
This message indicates that an error occurred during initialization of the DHCP Proxy Client.
Therefore, it will not operate correctly. Contact your Distributor or Customer Support.