Cisco IOS Cookbook 中文精简版第一章路由器配置…

Router1(config)#boot host tftp Router8-auto 172.25.1.1

Router1(config)#end

Router1#

注释 service config缺省是关闭的，如果打开缺省会去查找的文件名为network-config, cisconet.cfg, router1-confg, router1.cfg等

1.4. 保存大于NVRAM大小的配置文件

提问 配置文件过大，超过了可用的NVRAM大小

回答

Router1#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router1(config)#service compress-config

Router1(config)#end

Router1#

注释 可以使用show startup-config来验证

Router1#show startup-config

Using 5068 out of 29688 bytes, uncompressed size = 9969 bytes

Uncompressed configuration from 5068 bytes to 9969 bytes

1.5. 清除启动配置文件

提问 清除配置文件恢复到出厂设置

回答

Router1#erase nvram: （erase startup-config）

Erasing the nvram filesystem will remove all files! Continue? [confirm]

[OK]

Erase of nvram: complete

Router1#reload

System configuration has been modified. Save? [yes/no]: no

Proceed with reload? [confirm]

注释 无

1.6. 加载新的IOS镜像

提问 升级当前的IOS

回答

Router1#copy tftp://172.25.1.1/c2600-ik9o3s-mz.122-12a.bin flash:

Destination filename [c2600-ik9o3s-mz.122-12a.bin]?

Accessing tftp://172.25.1.1/c2600-ik9o3s-mz.122-12a.bin...

Erase flash: before copying? [confirm]

Erasing the flash filesystem will remove all files! Continue? [confirm]

Erasing device... eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee ...erased

Erase of flash: complete

Loading c2600-ik9o3s-mz.122-12a.bin from 172.25.1.1 (via FastEthernet0/0.1):!!!!!!!!!!!!!!

[OK - 11135588 bytes]

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