Re: 3640 latest 124-16 wont fit in flash
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Posted by Dan Lanciani on August 18, 2007, 11:12 pm
Please log in for more thread options | im trying to load the latest 3640 ios (c3640-jk9o3s-mz-124-16.bin), | however with max 32mb flash i cant load it. it says not enough space | on device. im currently running jk9o3s-mz-124-5a. on my linux box ls - | l shows 34755788. You can boot it by rcp (or ftp). I don't think tftp is practical unless big block support works. Note that whatever IOS image rommon uses as the helper to execute the rcp/ftp boot needs to be small enough for both itself and 12.4(13) to fit in memory. This obviously precludes using a recent jk9o3s image as the helper. By default rommon uses the first flash image as the helper. You can change this by setting the BOOTLDR monitor variable. I stuck an old 12.0 IP-only image in flash to use as the helper and pointed BOOTLDR at it. I'm not sure there is room to have the last jk9o3s image that fit plus an image that can load 12.4(13); anybody know the smallest image that will work for the latter? Maybe with a PCMCIA flash card... Note that configuring "boot system" statements from IOS does update the rommon BOOT variable as expected, but "boot bootstrap" statements do not update the BOOTLDR variable and there seems to be no "boot bootldr" even though it is mentioned in the documentation. Also, there is no "show bootvar" or "show bootenv" or such to see what the monitor thinks about the world from the IOS CLI. Dan Lanciani ddl@danlan.*com | ||||||||||
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