User's Manual

Using the RACADM Command Line Interface 79
• DNS Domain Name. The default DNS domain name is a single blank
character. To set a DNS domain name, type:
racadm config -g cfgLanNetworking -o
cfgDNSDomainName <
name >
where < name > is a string of up to 254 alphanumeric characters
and hyphens. For example: p45, a-tz-1, r-id-001.
Configuring Auto Negotiation, Duplex Mode, and Network Speed
When enabled, the auto negotiation feature determines whether the
CMC automatically sets the duplex mode and network speed by
communicating with the nearest router or switch. Auto negotiation is
enabled by default.
You can disable auto negotiation and specify the duplex mode and network
speed by typing:
racadm config -g cfgNetTuning -o cfgNetTuningNicAutoneg 0
racadm config -g cfgNetTuning -o cfgNetTuningNicFullDuplex
<duplex mode>
where:
<
duplex mode > is 0 (half duplex) or 1 (full duplex, default)
racadm config -g cfgNetTuning -o cfgNetTuningNicSpeed
<speed>
where:
<
speed > is 10 or 100(default).
Setting the Maximum Transmission Unit (MTU)
The MTU property allows you to set a limit for the largest packet that can be
passed through the interface. To set the MTU, type:
racadm config -g cfgNetTuning -o cfgNetTuningMtu <
mtu >
where <
mtu > is a value between 576–1500 (inclusive; default is 1500).
NOTE: IPv6 requires a minimum MTU of 1280. If IPv6 is enabled, and
cfgNetTuningMtu is set to a lower value, the CMC will use an MTU of 1280.