Netgear GSM7248 GSM7212 Command line reference manual - Page 135
DHCP and BOOTP Relay Commands
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Command Line Interface Reference for the ProSafe 7200 Series Layer-2 Switches, Software Ver- DHCP RELEASE DHCP INFORM Message Sent: DHCP OFFER DHCP ACK DHCP NACK The number of DHCPRELEASE messages the server has received. The number of DHCPINFORM messages the server has received. The number of DHCPOFFER messages the server sent. The number of DHCPACK messages the server sent. The number of DHCPNACK messages the server sent. 7.3.8 show ip dhcp conflict This command displays address conflicts logged by the DHCP Server. If no IP address is specified, all the conflicting addresses are displayed. Format show ip dhcp conflict [ip-address] Modes Privileged EXEC User EXEC IP address The IP address of the host as recorded on the DHCP server. Detection Method The manner in which the IP address of the hosts were found on the DHCP Server Detection time The time when the conflict was found. 7.4 DHCP and BOOTP Relay Commands This section describes the commands you use to configure BootP/DHCP Relay on the switch. A DHCP relay agent operates at Layer 3 and forwards DHCP requests and replies between clients and servers when they are not on the same physical subnet. 7.4.1 ip dhcp relay information option This command enables option 82 (RFC 3046) for BootP/DHCP Relay on the system. Once enabled, the DHCP request forwarded to the DHCP server will contain two optional fields: Circuit ID and Remote ID. The circuit ID option contains the port information where the DHCP client request originated. The remote ID option contains the MAC address of the relay agent (the switch management CPU's own MAC address). DHCP Commands v1.0, February 2007 7-15