Aastra DECT 142 (OMM SIP) Manuel d'utilisateur télécharger pdf (Page 18)

Installation, Administration and Maintenance

Aastra Telecom Page: 18 (47)

Application

After starting the application image 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 startup settings.

3.1.2 Start up of the OpenMobility Manager

There is no difference in booting that RFP, which is chosen to be running in

OMM mode from those which are in the RFP only mode.

The decision is driven by the OMM IP address, which is read

• Within the local network settings, if active.

• Via DHCP request.

The RFP which has the same IP address as the dedicated OMM IP address,

will be the RFP which the OMM software runs on.

3.1.3 Booter

3.1.3.1 DHCP client

Within the initial boot process the DHCP client supports the following

parameters:

• IP address mandatory

• Netmask mandatory

• Gateway mandatory

• Boot file name mandatory

• TFTP server mandatory

• Public option 224: “OpenMobility” mandatory

• Public option 226: OMM IP Address mandatory (used with Option 43)

3.1.3.1.1 DHCP request

3.1.3.1.1.1 Vendor class identifier (code 60)

The DHCP client sends the vendor class identifier “OpenMobility”.

3.1.3.1.1.2 Parameter request list (code 55)

The DHCP client in the booter requests the following options in the

parameter request list:

• Subnet mask option (code 1)

• Router option (code 3)

• Public option 224 (code 224)

• Public option 225 (code 225)

• Public option 226 (code 226)

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Aastra DECT 142 (OMM SIP) Manuel d'utilisateur Page 18