sw1#copy flassw1#copy flash: tftp:
Source filename []?
sw1#show flash #1
Directory of flash:/
1 -rw- 3058048 <no date> c2950-i6q4l2-mz.121-22.EA4.bin
64016384 bytes total (60958336 bytes free)
sw1#co
sw1#copy
sw1#copy fla
sw1#copy flash: t
sw1#copy flash: tftp: #2
Source filename []? c2950-i6q4l2-mz.121-22.EA4.bin #3
Address or name of remote host []? 192.168.56.10
Destination filename [c2950-i6q4l2-mz.121-22.EA4.bin]? c2950-test.bin #4
Writing c2950-i6q4l2-mz.121-22.EA4.bin...!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 3058048 bytes]
3058048 bytes copied in 0.052 secs (58808615 bytes/sec)
sw1#
可以看出cisco的交换机的镜像备份成功
怎么还原呢？？
sw1#copy tftp:sw1#copy tftp:
sw1#copy tftp: ?
flash: Copy to flash: file system
running-config Copy configuration from system
startup-config Copy startup configuration from system
sw1#copy tftp: fl
sw1#copy tftp: flash:
Address or name of remote host []? 192.168.56.10
Source filename []? c2950-test.bin
Destination filename [c2950-test.bin]?
Accessing tftp://192.168.56.10/c2950-test.bin...
Loading c2950-test.bin from 192.168.56.10: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 3058048 bytes]
3058048 bytes copied in 0.054 secs (56630518 bytes/sec)
sw1#show flash
Directory of flash:/
1 -rw- 3058048 <no date> c2950-i6q4l2-mz.121-22.EA4.bin
2 -rw- 3058048 <no date> c2950-test.bin
64016384 bytes total (57900288 bytes free)
sw1#
怎么从tftp服务器下载的
ISO启动呢
删除原有的文件
sw1#show flashDirectory of flash:/
1 -rw- 3058048 <no date> c2950-i6q4l2-mz.121-22.EA4.bin
2 -rw- 3058048 <no date> c2950-test.bin
64016384 bytes total (57900288 bytes free)
sw1#dele
sw1#delete c2950-i6q4l2-mz.121-22.EA4.bin
Delete filename [c2950-i6q4l2-mz.121-22.EA4.bin]?
Delete flash:/c2950-i6q4l2-mz.121-22.EA4.bin? [confirm]
sw1#show flash
Directory of flash:/
2 -rw- 3058048 <no date> c2950-test.bin
64016384 bytes total (60958336 bytes free)
sw1#
2.特权模式下
sw1(config)#boot system c2950-test.bin
3.都不要忘记保存
测试：
sw1#reloadProceed with reload? [confirm]
C2950 Boot Loader (C2950-HBOOT-M) Version 12.1(11r)EA1, RELEASE SOFTWARE (fc1)
Compiled Mon 22-Jul-02 18:57 by miwang
Cisco WS-C2950-24 (RC32300) processor (revision C0) with 21039K bytes of memory.
2950-24 starting...
Base ethernet MAC Address: 0090.2187.E434
Xmodem file system is available.
Initializing Flash...
flashfs[0]: 2 files, 0 directories
flashfs[0]: 0 orphaned files, 0 orphaned directories
flashfs[0]: Total bytes: 64016384
flashfs[0]: Bytes used: 3059209
flashfs[0]: Bytes available: 60957175
flashfs[0]: flashfs fsck took 1 seconds.
...done Initializing Flash.
Boot Sector Filesystem (bs:) installed, fsid: 3
Parameter Block Filesystem (pb:) installed, fsid: 4
Loading "flash:/c2950-test.bin"...
反思：交换机属于二层设备，需要配置管理地址
路由器属于三层设备 有端口启动就可以
路由器的备份和恢复和交换机的命令一样