From: Hansang Bae (hbae@nyc.rr.com)
Date: Sun Sep 22 2002 - 03:34:13 GMT-3
At 10:50 PM 9/21/2002 -0700, CCIE Prep wrote:
>Does anyone know if there is a way to upgrade Cisco 2500 series routers via
>a serial interface? I have a couple 2502's (no ethernet) that I want to
>upgrade via a TFTP server. I have connected them via a serial frame-relay
>connection to a 2501. The 2501 is connected to the subnet with the TFTP
>server. I can see the TFTP server from the 2502 initially. However, after
>issuing the "COPY TFTP FLASH" command, the 2502 reboots and looses
>connectivity back to the TFTP server, making it impossible to load the new
>flash. Has anyone done this successfully?
It's rebooting due to "Flash Helper Loader." So don't use it. Just change your config-register to 0x2101. This puts you into RXBoot mode (mini-me IOS). Just enable static default route on the serial interface and you'll be fine.
hsb
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