APC Automatic Disconnect Switch Guia do Utilizador descarregar pdf (Página 117)

USER’S GUIDE

AUTOMATIC TRANSFER SWITCH

114

Boot Mode Transition. Tag 2, Len 1, Data 1/2. This option 43 setting

enables or disables the After IP Assignment option which, by default,

causes the Boot mode option to use the setting that reflects the server that

provided the TCP/IP settings (DHCP Only or BOOTP Only):

• For a data value of 1, the After IP Assignment option is disabled, and

the Boot mode option remains in its DHCP & BOOTP setting after

successful network assignment. Whenever the Automatic Transfer

Switch restarts, it will request its network assignment first from a

BOOTP server, and then, if necessary, from a DHCP server.

• For a data value of 2, the After IP Assignment option is enabled and

the Boot mode option switches to DHCP Only when the Automatic

Transfer Switch accepts the DHCP response. Whenever the Automatic

Transfer Switch restarts, it will request its network assignment (TCP/IP

settings) from a DHCP server only.

Following, in hexadecimal format, is an example of a Vendor Specific

Information option that contains the APC cookie and the disable Boot Mode

Transition setting:

Option 43 = 0x01 0x04 0x31 0x41 0x50 0x43 0x02 0x01 0x01

See DHCP & BOOTP boot process.

For more information about the After IP Assignment, see

Automatic Transfer Switch settings.

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APC Automatic Disconnect Switch Guia do Utilizador Página 117