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cisco2948G-L3故障恢复:\r\n\r\n故障现象:加电启动后,系统启动报错,提示内容如下:\r\n\r\nROMMON: Cold Reset frame @0x00000000\r\nROMMON: Reading reset reason register\r\nROMMON: Valid NVRAM config\r\n\r\nSystem Bootstrap, Version 12.0(7)W5(15) RELEASE SOFTWARE \r\nCopyright (c) 1998 by cisco Systems, Inc.\r\n\r\nROMMON: Initializing exceptions\r\nROMMON: Initializing TLB \r\nROMMON: Initializing cache \r\nROMMON: Sizing and zeroing main memory ... 64 MBytes\r\nROMMON: Sizing non-volatile memory ... 128 KBytes\r\n\r\ncat2948g platform with 65536 Kbytes of main memory\r\n\r\nSelf decompressing the image : ####################################################################################################################################################################################################################################################################################### [OK]\r\n\r\nError : pre and post compression image sizes disagree\r\n\r\n*** System received a Software forced crash ***\r\nsignal= 0x17, code= 0x8, context= 0x0\r\nPC = 0x80010094, Cause = 0x20, Status Reg = 0x3041c003\r\n\r\n并自动进入rommon>;状态\r\n\r\n解决办法:\r\n\r\n1、首先查看系统设备:\r\nrommon 1>;dev\r\nDevices in device table:\r\n id name\r\nbootflash: boot flash \r\n eprom: eprom\r\n2、查看IOS文件:\r\nrommon 2>;dir bootflash:\r\n File size Checksum File name\r\n 3252040 bytes (0x319f4 0x401a cat2948g-in-mz.120-14.W5.20.bin\r\n 3320672 bytes (0x32ab60) 0x6ae8 cat2948g-in-mz.120-25.W5.27.bin \r\n3、指定一个启动文件:\r\nrommon 3>;boot bootflash:cat2948g-in-mz.120-25.W5.27.bin\r\nPlease reset before booting\r\n4、重启设备:\r\nrommon 4>;reset\r\n\r\n经过以上步骤处理,系统可以正常引导。\r\n如果仍然进入rommon模式,可以使用confreg命令重新配置引导参数,并重复以上步骤再试。 \r\n\r\n\r\n正常启动后,使用如下命令指定下次启动时使用的镜像文件:\r\nboot system flash bootflash:cat2948g-in-mz.120-25.W5.27.bin \r\n\r\n其实最后总结,应该还是多个引导文件,系统不知道从哪个启动造成的。折腾了半天,还以为flash坏了。\r\n对其他类型的路由器应该也类似,希望对大家有帮助。 |
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