Bad Flash....
""Lithium Leung"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi all,
>
> Router: 2501
> IOS: 9,14(9)
> Flash: 4MB
> Ram:4MB
> Problem: Can't upgrade IOS to any version. (Try 10.3 -
> (igs-in-l.103-13.bin) - and it is fulfill the HW config). Show check-sum
> error.
>
> I would like to upgrade the IOS for 2501 router using tftp server which
> is directly connected to my tftp server (Cross cable), unfortunately, it
> was fail. The OS can be downloaded to the flash successfully, but it was
> fail in checking checksum. It shown "invalid check-sum". What is the
> problem? Thanks!
>
> Regards,
> Lithium
>
> --------------------------------------------------------------------------
-------------------
>
> Router(boot)#sh ver
> 3000 Bootstrap Software (IGS-RXBOOT), Version 9.14(9), RELEASE SOFTWARE
> (fc1)
> Patchlevel = 9.1(12.6)
> Copyright (c) 1986-1994 by cisco Systems, Inc.
> Compiled Wed 28-Sep-94 14:10 by chansen
>
> System Bootstrap, Version 4.14(9.1), SOFTWARE
>
> Router uptime is 1 day, 0 minutes
> System restarted by power-on
> Running default software
>
> cisco 2500 (68030) processor (revision A) with 2044K/2048K bytes of
> memory.
> Processor board serial number 01260438
> DDN X.25 software, Version 2.0, NET2 and BFE compliant.
> 1 Ethernet/IEEE 802.3 interface.
> 2 Serial network interfaces.
> 32K bytes of non-volatile configuration memory.
>
> 4096K bytes of processor board System flash (Read/Write)
> Configuration register is 0x2102
> I have a router 2501 and would like to upgrade its IOS
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