文档介绍：Router(config)#host r2
r2(config)#no ip do lo
r2(config)#lin
r2(config)#line con
r2(config)#line console 0
r2(config-line)#no exect
^
% Invalid input detected at '^' marker.
r2(config-line)#no exec-t
r2(config-line)#logg sy
r2(config-line)#inter e0/1
r2(config-if)#ip add
r2(config-if)#no sh
r2(config-if)#do ping
*Mar 1 00:03:: %LINK-3-UPDOWN: Interface 0/1, changed state to up
*Mar 1 00:03:: %LINEPROTO-5-UPDOWN: Line protocol on Interface 0/1, changed state to up
r2(config-if)#do ping
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:
.!!!!
ess rate is 80 percent (4/5), round-trip min/avg/max = 48/95/156 ms
r2(config-if)#inter e0/0
r2(config-if)#ip add
r2(config-if)#no sh
r2(config-if)#
*Mar 1 00:04:: %LINK-3-UPDOWN: Interface 0/0, changed state to up
*Mar 1 00:04:: %LINEPROTO-5-UPDOWN: Line protocol on Interface 0/0, changed state to up
r2(config-if)#do ping
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:
!!!!!
ess rate is 100 percent (5/5), round-trip min/avg/max = 28/59/112 ms
r2(config-if)#do ping
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds:
.!!!!
ess rate is 80 percent (4/5), round-trip m