在对能够正常启动的CISCO路由器的IOS进行升级时,比较简单。具体步骤如下:
1、寻找一种汪闷升TFTP服务器软件(有CISCO公司的TFTPServer或3COM公司的3Cserver等,在升级较大IOS映象文件时,建议用3Cserver),安装在一台计算机上,将要升级的IOS
映象文件拷贝到相关的目录中(例:D:\),并运行TFTP服务器软件,通过菜单设置Root
目录为拷贝IOS映象文件所在目录(如D:\)。假设该计算机的IP地址为10.32.10.1;
2、连接路由器的console口与PC机的COM1,使用PC的超级终端软件访问路由器,将路由器的地址设为10.32.10.32(与计算机的IP地址同网段即可)。建议在进行IOS升级前将原有IOS文件备份下来,防止待升级的IOS文件存在问题不可用;
Router# dir flash: (查看目前IOS映象文件名,也可用Router#Show version)
Directory of flash:/
1 -rw- 5998292 C2600-I-MZ.122-11.BIN
8388608 bytes total (2390252 bytes free)
Router#
copy flash tftp(备份IOS文件)
Source filename []?c2600-i-mz.122-11.bin
Address or name of remote host []?10.32.10.1 (TFTP服务器地址)
Destination filename [c2600-i-mz.122-11.bin]?
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
„
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
5998292 bytes copied in 324.071 secs (18509 bytes/sec)
Router#
3、对路由器进行困老IOS升级;
Router#
copy tftp flash
Address or name of remote host []?10.32.10.1 (TFTP服务器地址)
Source filename []?c2600-i-mz.122-11.bin (需升级的新罩空IOS映象文件名)
Destination filename [c2600-i-mz.122-11.bin]?
Do you want to over write? [confirm]
Accessing tftp://10.32.10.1/c2600-i-mz.122-11.bin...
Erase flash: before copying? [confirm]
Erasing the flash filesystem will remove all files! Continue? [confirm]
Erasing device... eeeeeeeeeeeeeeeeeeeeee ...erasedee
Erase of flash: complete
Loading c2600-i-mz.122-11.bin from 10.32.10.1 (via
Ethernet0/0): !!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
„
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 5998292 bytes]
Verifying checksum... OK (0xA0C0)
5998292 bytes copied in 318.282 secs (18846 bytes/sec)
Router#