Orion A10E - Page 102

Orion Networks
A10E/A28E/A28F Configuration Guide
3 IP services
Orion Networks
82
Field
Length
Description
Hops
1
Number of DHCP hops passed by the DHCP packet.
It increases by 1 every time when DHCP request packet
passes a DHCP hop.
Transaction ID
4
Client chooses number at random when starts a request,
used to mark process of address request.
Seconds
2
DHCP client passed time after starting DHCP request. It
is unused now, fixed as 0.
Flags
2
Bit 1 is broadcast reply flag, used to mark DHCP server
reply packet is transmitted in unicast or broadcast mode.

0: unicast

1: broadcast
Other bits are reserved.
Client IP address
4
DHCP client IP address, only be filled when client is
bound, updated or re-bind status, can be used to reply
ARP request.
Your (client) IP
address
4
Client IP address distributed by DHCP server.
Server IP
address
4
IP address of DHCP server
Relay agent IP
address
4
The first DHCP hop IP address after DHCP client sends
request packets.
Client hardware
address
16
Hardware address of DHCP client
Server host name
64
DHCP server name
File
128
DHCP client start up configuration file name and path
assigned by DHCP server.
Options
Modifiable
A modifiable option field, including packet type,
available leased period, DNS (Domain Name System)
server IP address, WINS (Windows Internet Name
Server) IP address, etc. information.
The A10E/A28E can be used as DHCP client to get IP address from DHCP server and
management in future, as shown in Figure 3-5.