Hardware Controller Commands
4-90 Configuring Hardware Controllers
• Speedcannotbechangedinloopbackmode.
•WhenconnectinganautosettingonanXSRtoaforcedsettingonanotherrouter,theforced
settingmustbesettohalf-duplexregardlessofthespeed(10or100Mbits).
•ForGigabitEthernetonly,youmustuseacrossovercablewhenoneorbothendsofalineare
forced.Ifbothendsofthelineareautothenyoumayuseacrossoverorstraightthrough
cable.
•WhentheGigabitFiberportisinuse,bothduplexandspeedmustbesettoautoonbothends
ofthelineotherwisetheconnectionisunpredictable.
Syntax
speed {10 | 100 | auto}
Syntax of the “no” Form
no speed
Mode
Interfaceconfiguration:XSR(config-if<Fx>)#
Default
Auto
Example
XSR(config-if<S1/0>)#speed auto
XSR(config-if<S1/0>)#duplex auto

stopbits

Thiscommandsetsthenumberofstopbitsonaserialport.Itisvalidandtakeseffectonlywhen
theinterfaceisrunninginasynchronousmode.
Syntax
stopbits {1 | 2}
Syntax of the “no” Form
no stopbits
10 Forcestheinterfacetooperateat10Mbitspersecond.
100 Forcestheinterfacetooperateat100Mbitspersecond.
auto Allowstheporttosetthespeedandduplexmodeautomatically.
1Onestopbit.
2Twostopbits.