R1(config)# GLOBAL CONFIGURATION MODE
R1_1841(config)#line vty 0 4
R1_1841(config-line)#
exit takes back one level
^Z takes back to the privileged mode
R1(config)# GLOBAL CONFIGURATION MODE
R1_1841(config)#line vty 0 4
R1_1841(config-line)#
exit takes back one level
^Z takes back to the privileged mode