3com 5500-ei pwr Instruccion De Instalación
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htype, hlen: Hardware address type and length of the DHCP client.
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hops: Number of DHCP relay agents which a DHCP packet passes. For each DHCP relay agent
that the DHCP request packet passes, the field value increases by 1.
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xid: Random number that the client selects when it initiates a request. The number is used to
identify an address-requesting process.
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secs: Elapsed time after the DHCP client initiates a DHCP request.
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flags: The first bit is the broadcast response flag bit, used to identify that the DHCP response
packet is a unicast (set to 0) or broadcast (set to 1). Other bits are reserved.
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ciaddr: IP address of a DHCP client.
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yiaddr: IP address that the DHCP server assigns to a client.
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siaddr: IP address of the DHCP server.
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giaddr: IP address of the first DHCP relay agent that the DHCP client passes after it sent the
request packet.
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chaddr: Hardware address of the DHCP client.
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sname: Name of the DHCP server.
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file: Path and name of the boot configuration file that the DHCP server specifies for the DHCP
client.
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option: Optional variable-length fields, including packet type, valid lease time, IP address of a DNS
server, and IP address of the WINS server.
Protocol Specification
Protocol specifications related to DHCP include:
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RFC2131: Dynamic Host Configuration Protocol
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RFC2132: DHCP Options and BOOTP Vendor Extensions
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RFC1542: Clarifications and Extensions for the Bootstrap Protocol
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RFC3046: DHCP Relay Agent Information option