神马文学网cisco 2600 ios误删除后恢复（tftp）
来源：百度文库 编辑：神马文学网 时间：2024/04/30 10:30:28
2008年11月28日 星期五 15:18
cisco 2600 ios误删除后恢复（tftp）
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.cfg
Destination filename [x.cfg]?
Erase flash: before copying? [confirm]n
Verifying checksum... OK (0x1376)
1248 bytes copied in 0.232 secs
r7#dir
Directory of flash:/
1 -rw- 4467540 c2600-c-mz.121-9.bin
2 -rw- 1248 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：http://www.net130.com/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=192.168.1.2 //默认为路由器第一个以太网接口的ip
rommon 2 >IP_SUBNET_MASK=255.255.255.0 //设置路由器以太网接口的子网掩码
rommon 3 >DEFAULT_GATEWAY=192.168.1.1 //设置网关，否则tftp无法成功
rommon 4 >TFTP_SERVER=192.168.1.104 //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=192.168.1.2
IP_SUBNET_MASK=255.255.255.0
DEFAULT_GATEWAY=192.168.1.1
TFTP_SERVER=192.168.1.104
TFTP_FILE=c2600-c-mz.121-9.bin
rommon 7 > tftpdnld //核对无误后，开始tftp
IP_ADDRESS: 192.168.1.2
IP_SUBNET_MASK: 255.255.255.0
DEFAULT_GATEWAY: 192.168.1.1
TFTP_SERVER: 192.168.1.104
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 192.168.1.104
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
File reception completed.
Copying file c2600-c-mz.121-9.bin to flash.
Erasing flash at 0x607c0000
program flash location 0x60120000
rommon 8 > confreg //下载ios完毕后，还需设置寄存器的值
Configuration Summary
enabled are:
load rom after netboot fails
console baud: 9600
boot: image specified by the boot system commands
or default to: cisco2-C2600
do you wish to change the configuration? y/n [n]: y //要选择“y”
enable "diagnostic mode"? y/n [n]: n
enable "use net in IP bcast address"? y/n [n]: n
disable "load rom after netboot fails"? y/n [n]: n
enable "use all zero broadcast"? y/n [n]: n
enable "break/abort has effect"? y/n [n]: n
enable "ignore system config info"? y/n [n]: n
change console baud rate? y/n [n]: n
change the boot characteristics? y/n [n]: y //要选择“y”
enter to boot:
0 = ROM Monitor
1 = the boot helper image
2-15 = boot system
[2]:2 //要选择“2”
Configuration Summary
enabled are:
load rom after netboot fails
console baud: 9600
boot: image specified by the boot system commands
or default to: cisco2-C2600
do you wish to change the configuration? y/n [n]:n
rommon 8 > reset //重启路由器
重启后，恢复正常
cisco 2600 ios误删除后恢复（tftp）
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.cfg
Destination filename [x.cfg]?
Erase flash: before copying? [confirm]n
Verifying checksum... OK (0x1376)
1248 bytes copied in 0.232 secs
r7#dir
Directory of flash:/
1 -rw- 4467540
2 -rw- 1248
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：http://www.net130.com/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=192.168.1.2 //默认为路由器第一个以太网接口的ip
rommon 2 >IP_SUBNET_MASK=255.255.255.0 //设置路由器以太网接口的子网掩码
rommon 3 >DEFAULT_GATEWAY=192.168.1.1 //设置网关，否则tftp无法成功
rommon 4 >TFTP_SERVER=192.168.1.104 //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=192.168.1.2
IP_SUBNET_MASK=255.255.255.0
DEFAULT_GATEWAY=192.168.1.1
TFTP_SERVER=192.168.1.104
TFTP_FILE=c2600-c-mz.121-9.bin
rommon 7 > tftpdnld //核对无误后，开始tftp
IP_ADDRESS: 192.168.1.2
IP_SUBNET_MASK: 255.255.255.0
DEFAULT_GATEWAY: 192.168.1.1
TFTP_SERVER: 192.168.1.104
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 192.168.1.104
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
File reception completed.
Copying file c2600-c-mz.121-9.bin to flash.
Erasing flash at 0x607c0000
program flash location 0x60120000
rommon 8 > confreg //下载ios完毕后，还需设置寄存器的值
Configuration Summary
enabled are:
load rom after netboot fails
console baud: 9600
boot: image specified by the boot system commands
or default to: cisco2-C2600
do you wish to change the configuration? y/n [n]: y //要选择“y”
enable "diagnostic mode"? y/n [n]: n
enable "use net in IP bcast address"? y/n [n]: n
disable "load rom after netboot fails"? y/n [n]: n
enable "use all zero broadcast"? y/n [n]: n
enable "break/abort has effect"? y/n [n]: n
enable "ignore system config info"? y/n [n]: n
change console baud rate? y/n [n]: n
change the boot characteristics? y/n [n]: y //要选择“y”
enter to boot:
0 = ROM Monitor
1 = the boot helper image
2-15 = boot system
[2]:2 //要选择“2”
Configuration Summary
enabled are:
load rom after netboot fails
console baud: 9600
boot: image specified by the boot system commands
or default to: cisco2-C2600
do you wish to change the configuration? y/n [n]:n
rommon 8 > reset //重启路由器
重启后，恢复正常
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