User Manual

52UPS Network Management Card 3 User Guide
TCP/IP options. The NMC uses the following options within a valid DHCP response to define its TCP/IP
settings. All of these options except the first are described at RFC2132.
• IP Address (from the yiaddr field of the DHCP response, described in RFC2131): The IP address that
the DHCP server is leasing to the NMC.
• Subnet Mask (option 1): The Subnet Mask value that the NMC needs to operate on the network.
• Router, i.e., Default Gateway (option 3): The default gateway address that the NMC needs to operate
on the network.
• IP Address Lease Time (option 51): The time duration for the lease of the IP Address to the NMC.
• Renewal Time, T1 (option 58): The time that the NMC 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 NMC must wait after an IP address lease is
assigned before it can seek to rebind that lease.
Other options. The NMC also uses these options within a valid DHCP response. All of these options except
the last two are described in RFC2132.
• Network Time Protocol Servers (option 42): Up to two NTP servers (primary and secondary) that the
NMC can use.
• Time Offset (option 2): The offset of the NMC'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 NMC can use.
• Host Name (option 12): The host name that the NMC will use (32-character maximum length).
• Domain Name (option 15): The domain name that the NMC will use (64-character maximum length).
• Boot File Name (from the file field of the DHCP response, described in RFC2131): 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 NMC will download the .ini file. After the
download, the NMC uses the .ini file as a boot file to reconfigure its settings.
• Fully Qualified Domain Name (FQDN, option 81): The fully qualified domain name of the NMC.
Port Speed screen
Path: Configuration > Network > Port Speed
The Port Speed setting defines the communication speed of the Ethernet network port. Your current setting is
displayed in Current Speed.
You can change the setting by choosing a radio button under Port Speed:
• For Auto-negotiation (the default), network devices negotiate to transmit at the highest possible
speed, but if the supported speeds of two devices are not matched, the slower speed is used.
• Alternatively, you can choose 10 Mbps or 100 Mbps, each with the option of:
– half-duplex (communication in only one direction at a time) or
– full-duplex (communication in both directions on the same channel simultaneously).
NOTE: You can only change the Port Speed to 1000 Mbps by choosing the Auto-negotiation radio button.
DNS screen
Path: Configuration > Network > DNS > Configuration
The values under Domain Name System Status list your current status and setup.