Cisco 2611 ROMMON模式升级和恢复IOS.doc

今天找来一台cisco2600想做个实验。本来想先把老的配置保存，没想到我竟然误把ios给删除了。 实在找不到2610的ISO了，结果用2620灌的，可以正常使用。 r7#copy startup-config x.cfgDestination filename [x.cfg]?Erase flash: before copying? [confirm]nVerifying checksum... OK (0x1376)1248 bytes copied in 0.232 secs r7#dirDirectory of flash:/ ??? 1 -rw-???? 4467540????????????? no date c2600-c-mz.121-9.bin??? 2 -rw-??????? 1248???????????????? no date x.cfg 8388608 bytes total (3919692 bytes free) 注意看红色字体，这是我恢复ios后的保存startup-config的步骤。因为当时没注意，直接回车了，造成ios被删除 ,正确的方法是 输入n”，切记啊！！！ 恢复开始，首先找个12.1的ios， 网址： /CMS/Pub/soft/soft_ios/2005_06_22_8294.htm ? 将路由器eth0口与笔记本用交叉线连接，通过concle口登录路由器，设置tftp的环境 rommon 1 IP_ADDRESS=?????????????????//默认为路由器第一个以太网接口的ip rommon 2 IP_SUBNET_MASK=??? //设置路由器以太网接口的子网掩码 rommon 3 DEFAULT_GATEWAY=??? //设置网关，否则tftp无法成功 rommon 4 TFTP_SERVER=04???????? ??//设置笔记本ip，即为tftp server的ip rommon 5 TFTP_FILE=c2600-c-mz.121-9.bin???? //设置路由器要下载的ios文件名 rommon 6 set???????????????????????????????//设置tftp完环境后，可以用set命令再检查一下，也可以略过 PS1=rommon ! RET_2_RTS= IP_ADDRESS= IP_SUBNET_MASK= DEFAULT_GATEWAY= TFTP_SERVER=04 TFTP_FILE=c2600-c-mz.121-9.bin rommon 7 tftpdnld????????????????????? //核对无误后，开始tftp ????????? IP_ADDRESS: ????? IP_SUBNET_MASK: ???? DEFAULT_GATEWAY: ???????? TFTP_SERVER: 04?????????? TFTP_FILE: c2600-c-mz.121-9.bin Invoke this command for disaster recovery only.WARNING: all existing # in all partitions on flash will be lost!Do you wish to continue? y/n: [n]: y Receiving c2600-c-mz.121-9.bin from 04 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!