TCL script that could also help in doing a shutdown to several interfaces UP and running
R3#en R3#conf ter Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int lo0 R3(config-if)#no sh R3(config-if)#exit R3(config)#int lo1 R3(config-if)#exit R3(config)#int lo2 R3(config-if)#exit R3(config)#int lo3 R3(config-if)#exit R3(config)#int lo4 R3(config-if)#exit R3(config)#exit R3#
R3#tclsh
R3(tcl)#conf ter
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#foreach i {
+(config)#lo0
+(config)#lo1
+(config)#lo2
+(config)#} {
+(config)#int $i
+(config)#sh
+(config)#exit
+(config)#}
*Nov 6 13:41: 35.433: %LINK-5-CHANGED: Interface Loopback0, changed state to adm
inistratively down
*Nov 6 13:41: 35.451: %LINK-5-CHANGED: Interface Loopback1, changed state to adm
inistratively down
*Nov 6 13:41:35.463: %LINK-5-CHANGED: Interface Loopback2, changed state to adm
inistratively down
R3(config)#
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