Cabletron Systems Cabletron CyberSWITCH CSX5500 User Manual

Also see for CyberSWITCH 5500: Quick start Manual

Contents

USER’S GUIDE464 CyberSWITCHDHCP R ELAY A GENTThe following sections provide instructions to verify that the DHCP/BOOTP Relay Agent isworking properly.VERIFYING DHCP R ELAY A GENT I NITIALIZATIONRegardless of whether or not the Relay Agent has been enabled via configuration, someinitialization processing is always performed. If this initialization is successful, there should not beany warnings/errors written to the report log by the DHCP Relay Agent.1. Examine the report log. Type:dr 2. Thedr command displays the system report log. Look for any messages that begin with:[DHCP-R]3. The following messages indicate that errors occurred during DHCP/BOOTP Relay Agentinitialization processing:[DHCP-R] Failed to allocated memory for transmit buffer pool[DHCP-R] Relay Agent initialization failedIf you do not see either of these messages in the report log, the DHCP/BOOTP Relay Agent hassuccessfully performed its initialization processing.4. If either (or both) of the above messages are contained in the report log, try the following:Look for the following messages after system initialization:[DHCP-R] Failed to allocated memory for transmit buffer pool[DHCP-R] Relay Agent initialization failedThese messages indicate that an error occurred during initialization of the DHCP/BOOTPRelay Agent. Therefore, the relay agent will not operate correctly. Contact your Distributor orCustomer Support.VERIFYING THE RELAY AGENT IS ENABLEDIf the Relay Agent has been enabled via configuration, it will attempt to open a UDP port for use.A message describing the outcome of this operation will appear in the report log.1. Examine the report log. Type:dr 2. Look for any messages that begin with [DHCP-R].3. If the Relay Agent has been enabled via configuration, the following message should appear:[DHCP-R] Relay Agent enabled; UDP port (67) openedIf the above message was found in the report log, the Relay Agent has been successfullyenabled.