Enterasys Networks XSR CLI national bit

T1/E1 & T3/E3 Commands
XSR CLI Reference Guide 2-71
Syntax of the “no” Form
no loopback
Default
Disabled
Mode
Controllerconfiguration:XSR(config-controller<xx>)#
Examples
Thefollowingexampleinitiatesalocalloopbacktest:
XSR(config)#controller t1 1/0
XSR(config-controller<T1-1/0>)#framing esf
XSR(config-controller<T1-1/0>)#linecode b8zs
XSR(config-controller<T1-1/0>)#channel-group 0 timeslot 1-24 speed 64
XSR(config-controller<T1-1/0>)#loopback local
ThefollowingexampleconfiguresanIPaddressasaloopbackinterface:
XSR(config)#interface loopback 0
XSR(config-if<L0>)#ip address 193.23.24.1 255.255.255.255
XSR(config-if<L0>)#no shutdown
national bit
For E3 controllers only
ThiscommandsetsthenationalbitintheE3frame‐bit12.
Syntax
national bit {0 | 1}
Syntax of the “no” Form
Thenoformofthiscommandsetsthenationalbittothedefaultvalue:
no national bit
local line LocalloopbackmodeloopstheentirebandwidthoftheT1/E1/ISDN‐PRI
linetowardthenetwork.UseexternalequipmenttoverifythattheT1/E1/
ISDN‐PRIportisconnectedtotheline.
local payload SameasLocalline,itmerelyloopsbacktheT1payload,thatis,theXSR
generatesframingat1.536MBytes/sec.
0Setsthenationalreservedbitto0.
1Setsthenationalreservedbitto1.