3Com 5500G-EI Command Reference Guide - Page 119
Syntax, debugging dhcp-relay, Parameter, Description, Example, dhcp-security static - dhcp relay
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DHCP Relay Configuration Commands 119 system-view System View: return to User View with Ctrl+Z. [SW5500]interface vlan-interface 1 [SW5500-vlan-interface1]address-check enable debugging dhcp-relay Syntax debugging dhcp-relay undo debugging dhcp-relay View User view Parameter None Description Use the debugging dhcp-relay command to enable DHCP relay debugging. Use the undo debugging dhcp-relay command to disable DHCP relay debugging. By default, DHCP relay debugging is disabled. Related commands: dhcp-server ip, dhcp-server, display dhcp-server and display dhcp-server interface vlan-interface. Example To enable DHCP relay debugging, enter the following: debugging dhcp-relay *0.7200205-DHCP-8-dhcp_debug: From client to server: Interface: VLAN-Interface 1 ServerGroupNo: 0 Type: dhcp-request ClientHardAddress: 0010-dc19-695d ServerIpAddress: 192.168.1.2 *0.7200230-DHCP-8-dhcp_debug: From server to client: Interface: VLAN-Interface 1 ServerGroupNo: 0 Type: dhcp-ack ClientHardAddress: 0010-dc19-695d AllocatedIpAddress: 10.1.1.1 *0.7200580-DHCP-8-largehop: Discard DHCP request packet because of too large hop count! *0.7200725-DHCP-8-invalidpkt: Wrong DHCP packet! dhcp-security static Syntax dhcp-security static ip_address mac_address