Cisco3750更换(升级)IOS.doc

Cisco3750更换(升级)IOS背景：两台Cisco WS-C3750G-24TS 一主一备，生产环境中运行中故障vlan之间不通，网口灯不亮，罢工了。配置删除后重新导入备份配置无法工作，故需要更换IOS测试软件或硬件故障。准备工作：网线、思科交换机console线、tftp工具（3CDaemon）、r-SecureCRT操作步骤：一、笔记本设置固定IP：00，交换机VLAN地址为：，将笔记本连与交换机相连，ping测试笔记本与交换机间通信是否正常（关掉笔记本防火墙和杀毒软件）。FountainCenter#ping 00Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 00, timeout is 2 seconds:.!Success rate is 80 percent (4/5), round-trip min/avg/max = 1/1/1 ms二、查看版本信息FountainCenter#show versionCisco IOS Software, C3750 Software (C3750-IPBASE-M), Version 12.2(35)SE5, RELEASE SOFTWARE (fc1)Copyright (c) 1986-2007 by Cisco Systems, Inc.Compiled Thu 19-Jul-07 19:15 by nachenImage text-base: 0x00003000, data-base: 0x01080000ROM: Bootstrap program is C3750 boot loaderBOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(25r)SEE3, RELEASE SOFTWARE (fc1)FountainCenter uptime is 1 minuteSystem returned to ROM by power-onSystem image file is flash:c3750-ipbase-mz.122-35.SE5/c3750-ipbase-mz.122-35.SE5.bincisco WS-C3750G-24TS (PowerPC405) processor (revision R0) with 118784K/12280K bytes of memory.Processor board ID FDO1311X2BELast reset from power-on3 Virtual Ethernet interfaces28 Gigabit Ethernet interfacesThe password-recovery mechanism is enabled.512K bytes of flash-simulated non-volatile configuration memory.Base ethernet MAC Address : 00:24:F9:BC:29:00Motherboard assembly number : 73-7058-15Power supply part number : 341-0045-02Motherboard serial number : FDO13110F9QPower supply serial number : LIT13090BSRModel revision number : R0Motherboard revision number : A0Model number : WS-C3750G-24TS-SSystem serial number : FDO1311X2BETop Assembly Part Number : 800-21894-08Top Assembly Revision Number : B0Version ID : V08CLEI Code Number : COMUH10ARAHardware Board Revision Number : 0x09Switch Ports Model SW Version SW Image- - - - -* 1 28 WS-C3750G-24TS 12.2(35)SE5 C3750-IPBASE-MConfiguration register is 0xF三、查看Flash信息：FountainCenter#show flashDirectory of flash:/ 2 -rwx 736 Jun 8 2009 13:52:41 +08:00 vlan.dat.renamed 4 -rwx 3860 Mar 1 1993 08:13:12 +08:00 config.text.renamed 5 -rwx 5 Mar 1 1993 08:13:12 +08:00 private-config.text.renamed 6 drwx 192 Mar 1 1993 08:06:34 +08:00 c3750-ipbase-mz.122-35.SE5 510 -rwx 6578 Mar 4 1993 06:09:21 +08:00 config.text 511 -rwx 676 Mar 1 1993 08:04:06 +08:00 vlan.dat 512 -rwx 5 Mar 4 1993 06:09:21 +08:00 private-config.text15998976 bytes total (6357504 bytes free)四、查看系统目录下文件信息：FountainCenter#cd c3750-ipbase-mz.122-35.SE5FountainCenter#dirDirectory of flash:/c3750-ipbase-mz.122-35.SE5/ 7 -rwx 7175078 Mar 1 1993 08:05:36 +08:00 c3750-ipbase-mz.122-35.SE5.bin 8 drwx 4224 Mar 1 1993 08:05:58 +08:00 html 509 -rwx 598 Mar 1 1993 08:06:34 +08:00 info15998976 bytes total (6357504 bytes free)FountainCenter#pwdflash:/c3750-ipbase-mz.122-35.SE5/五、查看启动信息：FountainCenter#show bootBOOT path-list : flash:c3750-ipbase-mz.122-35.SE5/c3750-ipbase-mz.122-35.SE5.binConfig file : flash:/config.textPrivate Config file : flash:/private-config.textEnable Break : noManual Boot : noHELPER path-list :Auto upgrade : yesAuto upgrade path :六、备份设备IOS（防止升级失败）：FountainCenter#copy flash: tftp:Source filename /c3750-ipbase-mz.122-35.SE5/? c3750-ipbase-mz.122-35.SE5.binAddress or name of remote host ? 00Destination filename c3750-ipbase-mz.122-35.SE5.bin?!7175078 bytes copied in 16.693 secs (429826 bytes/sec)FountainCenter#七、再次核对Flash信息：FountainCenter#show flashDirectory of flash:/ 2 -rwx 736 Jun 8 2009 13:52:41 +08:00 vlan.dat.renamed 4 -rwx 3860 Mar 1 1993 08:13:12 +08:00 config.text.renamed 5 -rwx 5 Mar 1 1993 08:13:12 +08:00 private-config.text.renamed 6 drwx 192 Mar 1 1993 08:06:34 +08:00 c3750-ipbase-mz.122-35.SE5 510 -rwx 6578 Mar 4 1993 06:09:21 +08:00 config.text 511 -rwx 676 Mar 1 1993 08:04:06 +08:00 vlan.dat 512 -rwx 5 Mar 4 1993 06:09:21 +08:00 private-config.text15998976 bytes total (6357504 bytes free)FountainCenter#cd c3750-ipbase-mz.122-35.SE5FountainCenter#dirDirectory of flash:/c3750-ipbase-mz.122-35.SE5/ 7 -rwx 7175078 Mar 1 1993 08:05:36 +08:00 c3750-ipbase-mz.122-35.SE5.bin 8 drwx 4224 Mar 1 1993 08:05:58 +08:00 html 509 -rwx 598 Mar 1 1993 08:06:34 +08:00 info15998976 bytes total (6357504 bytes free)八、删除设备以前的IOS（3750存储为32M，剩余空间小于新IOS大小）：FountainCenter#delete flash:c3750-ipbase-mz.122-35.SE5.binDelete filename /c3750-ipbase-mz.122-35.SE5/c3750-ipbase-mz.122-35.SE5.bin?Delete flash:/c3750-ipbase-mz.122-35.SE5/c3750-ipbase-mz.122-35.SE5.bin? confirmFountainCenter#FountainCenter#九、上传新的IOS到交换机：FountainCenter#copy tftp: flash:Address or name of remote host ? 00Source filename ? c3750-ipbasek9-mz.122-55.SE9.binDestination filename c3750-ipbasek9-mz.122-55.SE9.bin?Accessing t00/c3750-ipbasek9-mz.122-55.SE9.bin.Loading c3750-ipbasek9-mz.122-55.SE9.bin from 00 (via Vlan2):!OK - 12106358 bytes12106358 bytes copied in 170.365 secs (71061 bytes/sec)十、更新新IOS后，查看启动信息：FountainCenter#FountainCenter#FountainCenter#show bootBOOT path-list : flash:c3750-ipbase-mz.122-35.SE5/c3750-ipbase-mz.122-35.SE5.binConfig file : flash:/config.textPrivate Config file : flash:/private-config.textEnable Break : noManual Boot : noHELPER path-list :Auto upgrade : yesAuto upgrade path :十一、更改启动顺序，设置为新IOS：FountainCenter#config tEnter configuration commands, one per line. End with CNTL/Z.FountainCenter(config)#boot system flash:c3750-ipbasek9-mz.122-55.SE9.binFountainCenter(config)#exitFountainCenter#wrBuilding configuration.OK十二、查看启动信息是否为新IOS：FountainCenter#show bootBOOT path-list : flash:c3750-ipbasek9-mz.122-55.SE9.binConfig file : flash:/config.textPrivate Config file : flash:/private-config.textEnable Break : noManual Boot : noHELPER path-list :Auto upgrade : yesAuto upgrade path :FountainCenter#十三、查看Flash信息是否完全：FountainCentershow flashDirectory of flash:/ 2 -rwx 736 Jun 8 2009 13:52:41 +08:00 vlan.dat.renamed 3 -rwx 12106358 Mar 1 1993 08:26:13 +08:00 c3750-ipbasek9-mz.122-55.SE9.bin 4 -rwx 3860 Mar 1 1993 08:13:12 +08:00 config.text.renamed 5 -rwx 5 Mar 1 1993 08:13:12 +08:00 private-config.text.renamed 6 drwx 128 Mar 1 1993 08:10:53 +08:00 c3750-ipbase-mz.122-35.SE5 510 -rwx 6578 Mar 4 1993 06:09:21 +08:00 config.text 511 -rwx 676 Mar 1 1993 08:04:06 +08:00 vlan.dat 512 -rwx 5 Mar 4 1993 06:09:21 +08:00 private-config.text 7 -rwx 1048 Mar 1 1993 08:01:57 +08:00 multiple-fs15998976 bytes total (1424384 bytes free)十四、删除原系统文件夹（delete无法删除空目录）：FountainCenterenPassword:FountainCenter#FountainCenter#FountainCenter#delete flash:c3750-ipbase-mz.122-35.SE5Delete filename c3750-ipbase-mz.122-35.SE5?Delete flash:c3750-ipbase-mz.122-35.SE5? confirm%Error deleting flash:c3750-ipbase-mz.122-35.SE5 (Is a directory)FountainCenter#delete /recursive /force flash:/c3750-ipbase-mz.122-35.SE5(/r