Other IP Commands
5-166 Configuring the Internet Protocol

ip telnet server

ThiscommandenablesordisablesTelnetservicetotheXSR.Iftheoptionalparameterisnot
supplied,theTelnetserverisenabled.SincetheTelnetserverisenabledatbootup,youmust
eithermanuallydisableitusingtheCLIordisableitinthestartupconfigfile.
Syntax
ip telnet server [enable | disable]
Syntax of the “no” Form
ThenoformofthiscommanddisablestheTelnetserver:
no ip telnet server
Mode
Globalconfiguration:XSR(config)#
Default
Enabled
Example
ThefollowingexampledisablestheTelnetserver:
XSR(config)#ip telnet server enable
XSR(config)#no ip telnet server

ip unnumbered

ThiscommandenablesIPprocessingonaserialinterfacewithoutassigninganexplicitIPaddress
totheinterface‐itassociatesanumberedinterfacewhoseaddresswillbeusedwithpackets
originatingonthisinterface.Thefollowingconventionsareobserved:
•Ifthenumberedinterfaceisdeleted,theunnumberedassociationmustbedeletedaswell.
•Ifthenumberedinterfacechangesordeletesitsaddress,theunnumberedassociationis
preserved.
• Routingprotocolsmustbeawareofpossiblechangesoftheaddressofthenumberedinterface
theypointto,asfollows:
–Iftheaddressofthenumberedinterfaceisdeleted,packetssourcedfromtheunnumbered
interfacethatpointstothisnumberedinterfacewillnotbetransmitted.
–Iftheaddressofthenumberedinterfaceischanged,routingprotocolsmustreevaluate
theirparticipationinroutingwiththeunnumberedinterfaces.Amatchbetweenthenew
addressandaconfigurednetworkmustbefoundfortheunnumberedinterfaceto
participateinrouting.
enable EnablesTelnetservice.
disable DisablesTelnetservice.