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
