思科路由器的基本设置(主机名,密码)

        我们这里主要通过思科的命令行界面CLI对路由器进行基本配置,路由器为Cisco1841, 在进入CLI之前,要用串口线将电脑和路由器的Console接口相连,打开电脑主机的超级终端,进行如下设置
 
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点击确定,然后显示如下信息
System Bootstrap, Version 12.3(8r)T8, RELEASE SOFTWARE (fc1)
Cisco 1841 (revision 5.0) with 114688K/16384K bytes of memory.
Self decompressing the image :
########################################################################## [OK]
              Restricted Rights Legend
Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software - Restricted
Rights clause at FAR sec. 52.227-19 and subparagraph
(c) (1) (ii) of the Rights in Technical Data and Computer
Software clause at DFARS sec. 252.227-7013.
           cisco Systems, Inc.
           170 West Tasman Drive
           San Jose, California 95134-1706

Cisco IOS Software, 1841 Software (C1841-ADVIPSERVICESK9-M), Version 12.4(15)T1, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2007 by Cisco Systems, Inc.
Compiled Wed 18-Jul-07 04:52 by pt_team
Image text-base: 0x60080608, data-base: 0x6270CD50
This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
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Importers, exporters, distributors and users are responsible for
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If you require further assistance please contact us by sending email to
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Cisco 1841 (revision 5.0) with 114688K/16384K bytes of memory.
Processor board ID FTX0947Z18E
M860 processor: part number 0, mask 49
2 FastEthernet/IEEE 802.3 interface(s)
191K bytes of NVRAM.
63488K bytes of ATA CompactFlash (Read/Write)
Cisco IOS Software, 1841 Software (C1841-ADVIPSERVICESK9-M), Version 12.4(15)T1, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2007 by Cisco Systems, Inc.
Compiled Wed 18-Jul-07 04:52 by pt_team

         --- System Configuration Dialog ---
Continue with configuration dialog? [yes/no]:
我们输入NO,然后回车,再回车,将出现router>
将路由器的主机名修改成R1
Router>enable
Router#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#hostname R1
R1(config)#
设置访问特权模式的访问密码,第一种是设置特权密码
R1#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#enable password 123456
R1(config)#
另一种是设置特权加密密码
R1#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#enable secret 3636
R1(config)#
特权密码和特权加密密码的区别在于前者未被加密,通过show running-config命令即可以明文的方式显示出来,而特权加密密码则被以加密的方式显示出来,即乱码。
R1>enable
Password:
R1#show running-config
Building configuration...
Current configuration : 541 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R1
!
!
!
enable secret 5 $1$mERr$Nyhjc1apmhq3YBhha65.8.
enable password 123456
再有就是配置控制台端口(console口)和虚拟终端口(通过网络访问)的密码
R1(config)#line console 0  *配置控制台端口*
R1(config-line)#password 2525
R1(config-line)#login
R1(config-line)#exit
R1(config)#line vty 0 4    *虚拟终端口*
R1(config-line)#password 1414
R1(config-line)#login
R1(config-line)#exit
R1(config)#

以上是思科路由器的几个基本设置命令,其他命令待续

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