二、配置文件及IOS的备份

1. 实验拓扑

2. 实验步骤

2.1 配置文件的备份

配置文件备份常见有两种方法：一是直接使用show run,然后复制；另下面一种是要讲的
routerA#ping 192.168.1.2 //保证路由器与tftp连通
routerA#copy running-config tftp //复制
Address or name of remote host []? 192.168.1.2
Destination filename [routerA-confg]?

Writing running-config...!!
[OK - 552 bytes]

552 bytes copied in 0.159 secs (3000 bytes/sec)

2.2 IOS的备份

routerA#show flash //首先查看IOS的文件名，下面复制时需使用

System flash directory:
File Length Name/status
3 50938004 c2800nm-advipservicesk9-mz.124-15.T1.bin
2 28282 sigdef-category.xml
1 227537 sigdef-default.xml
[51193823 bytes used, 12822561 available, 64016384 total]
63488K bytes of processor board System flash (Read/Write)

routerA#copy flash: tftp:
Source filename []? c2800nm-advipservicesk9-mz.124-15.T1.bin
Address or name of remote host []? 192.168.1.2 //tftp
Destination filename [c2800nm-advipservicesk9-mz.124-15.T1.bin]?

Writing c2800nm-advipservicesk9-mz.124-15.T1.bin...!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 50938004 bytes]

50938004 bytes copied in 57.562 secs (884000 bytes/sec)