# su - \\ 작업 PC 에서 root 로 진입
# ll /dev/ttyUSB0 \\ /dev 아래에 ttyUSB0 이 있어야 함
crw-rw---- 1 root dialout 188, 0 4월 26 17:35 /dev/ttyUSB0
# minicom -s
+-----[configuration]------+
| Filenames and paths |
| File transfer protocols |
| Serial port setup |
| Modem and dialing |
| Screen and keyboard |
| Save setup as dfl |
| Save setup as.. |
| Exit |
| Exit from Minicom |
+--------------------------+
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/tty8 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 115200 8N1 |
| F - Hardware Flow Control : Yes |
| G - Software Flow Control : No |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
|
→ /dev/tty8을 /dev/ttyUSB0 으로 변경
→ [E] 를 115200 또는 9600 로 변경 (Serial 속도)
계정 : [ID] / [PW]
SW_change_10min#dir
File Name Type Startup Modified Time Size (bytes)
------------------------------ ------- ------- ------------------- ------------
Unit 1:
runtime.bix OpCode Y 1970-01-01 00:01:01 20971520
Factory_Default_Config.cfg Config N 2017-02-08 03:27:47 455
startup1.cfg Config N 2017-02-08 03:53:08 1917
y Config Y 2017-02-08 03:56:00 2137
-------------------------------------------------------------------------------
Free space for compressed user config files: 51077120
Total space: 256 MB
|
Factory_Default_Config.cfg \\ 공장 config (완전 초기화)
SW_change_10min#configure
SW_change_10min(config)#boot system config:Factory_Default_Config.cfg
Success.
SW_change_10min(config)#exit
SW_change_10min#reload
System will be restarted. Continue <y/n>? y \\ y 누르면 공장초기화 됨
→지워야할 것
1) VLAN
2) GATEWAY
3) SPANNING TREE
SW_change_10min#sh run
.
.
.
vlan database
VLAN 1 name DefaultVlan media ethernet
.
.
.
.
.
spanning-tree max-age 6
spanning-tree forward-time 4
.
.
.
interface vlan 1
ip address X.X.X.X 255.255.255.0
.
.
ip route 0.0.0.0 0.0.0.0 X.X.X.X
.
.
interface vlan 1
.
. |
작업
Console#configure
Console(config)#interface vlan 1
Console(config-if)#no ip address
Console(config-if)#exit
Console(config)#no ip route 0.0.0.0 0.0.0.0 X.X.X.X
Console(config)#no spanning-tree forward-time
Console(config)#no spanning-tree max-age
Console(config)#no spanning-tree
Console(config)#exit
Console#copy running-config startup-config
Startup configuration file name [y]:
Flash programming started.
Flash programming completed.
Success.
|
