User’s guide, Mete red rac k pdu – Dell Metered PDU LED User Manual
Page 88
USER’S GUIDE
Mete
red Rac
k
PDU
85
TCP/IP options.
The Rack PDU uses the following options within a valid DHCP
response to define its TCP/IP settings. All of these options except the first are
described in
.
•
IP Address
(from the
yiaddr
field of the DHCP response, described in
The IP address that the DHCP server is leasing to the Rack PDU.
•
Subnet Mask
(option 1): The Subnet Mask value that the Rack PDU needs to
operate on the network.
•
Router,
i.e., Default Gateway (option 3): The default gateway address that the Rack
PDU needs to operate on the network.
•
IP Address Lease Time
(option 51): The time duration for the lease of the IP
Address to the Rack PDU.
•
Renewal Time, T1
(option 58): The time that the Rack PDU must wait after an IP
address lease is assigned before it can request a renewal of that lease.
•
Rebinding Time, T2
(option 59): The time that the Rack PDU must wait after an IP
address lease is assigned before it can seek to rebind that lease.
Other options.
The Rack PDU also uses these options within a valid DHCP response.
All of these options except the last are described in
•
Network Time Protocol Servers
(option 42): Up to two NTP servers (primary and
secondary) that the Rack PDU can use.
•
Time Offset
(option 2): The offset of the Rack PDU's subnet, in seconds, from
Coordinated Universal Time (UTC).
•
Domain Name Server
(option 6): Up to two Domain Name System (DNS) servers
(primary and secondary) that the Rack PDU can use.
•
Host Name
(option 12): The host name that the Rack PDU will use (32-character
maximum length).
•
Domain Name
(option 15): The domain name that the Rack PDU will
use (64-character maximum length).
•
Boot File Name
(from the
file
field of the DHCP response, describ
):
The fully qualified directory-path to a user configuration file (.ini file) to download. The
siaddr
field of the DHCP response specifies the IP address of the server from which
the Rack PDU will download the .ini file. After the download, the Rack PDU uses
the .ini file as a boot file to reconfigure its settings.