Application startup, Dhcp client, 4 application startup – AASTRA SIP-DECT (Release 2.1)- OM System Manual - Installation, Administration and Maintenance EN User Manual
Page 130: 1 dhcp client
SIP – DECT OM System Manual Release 2.1
7 Configuration und Administration Aspects
depl-1230/1.3
Page: 130 (196)
7.5.4
Application Startup
After successfully downloading and starting the application the RFP checks the local network
settings in its internal flash memory once again. If no settings are available or if they are
disabled, it starts a DHCP client to determine the IP address of the OMM and other
application startup settings.
7.5.4.1 DHCP Client
The DHCP client is capable of receiving broadcast and unicast DHCP replies. Therefore the
flags field is
0x0000
. The DHCP request contains the well-known magic cookie
(0x63825363)
and the end option
(0xFF)
.
Parameters
The following parameters will be supported within this step:
Option / Field
Meaning
Mandatory
yiaddr
IP address of the IP-RFP
yes
siaddr
Parameter named “Boot Server Host Name” with value
as the IP address of the TFTP server
yes
File
Parameter named “Bootfile Name” with value of the
path (optional) and name of the application image. For
example omm_ffsip.tftp.
yes
code 1
Subnet mask
yes
code 3
Default Gateway
yes
code 6
Domain Name Server
no
code 15
Domain Name
no
code 42
IP address of a NTP server
no
code 43
Vendor Specific Options
yes
code 66
URL specifies the protocol, server and path to access
the RFP configuration files (see 7.7).
no
public option 224
Parameter named magic_str must be set to value
"OpenMobility".
yes
Vendor specific options
The Vendor Specific Options consist of:
Vendor Specific
Option
Meaning
Length
Mandatory
option 10
ommip1: Used to select the IP-RFP who
should reside the Open Mobility Manager
(OMM).
4
yes
option 14
syslogip: IP address of a Syslog Daemon
4
no
option 15
syslogport: Port of a Syslog Daemon
2
no