Cabletron Systems CyberSWITCH CSX150 User Manual

Also see for CyberSWITCH CSX150: User guide Quick start guide

Contents

USER’S GUIDE396 CyberSWITCHRELAY AGENT OPERATIONProblem: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 thedhcpManage Mode command.2. Make sure that the Relay Agent is enabled on the desired machine. Check the report log. Amessage 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 relaydestination configured for the desired DHCP Server, or for the next DHCP Relay Agent to gothrough.4. If the machine being configured is an intermediate DHCP Relay Agent, make sure that the HopThreshold is large enough to allow the number of Relay Agent “hops” between the DHCPClient and the DHCP Server.5. From the DHCP Server, you should be able to “ping” the DHCP Relay Agent closest to theDHCP 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” theDHCP 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’ssubnetwork.DHCP: P ROXY CLIENTPROXY CLIENT I NITIALIZATIONProblem:The following message appears in the report log, after system initialization:[DHCP-P] Proxy Client initialization failedAction: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.ENABLING THE PROXY CLIENTProblem:The following message appears in the report log (after system initialization, or after the DHCP/BOOTP Proxy Client has been enabled from MANAGE mode):[DHCP-P] Failed to register with the IP Address Pool Manager, erc=code>