Friday, May 15, 2015

Decompress Cisco IOS images in Linux

 Decompress Cisco IOS images in Linux

If you have any Linux distribution you can decompress Cisco IOS image using the dd command


root@alaaheggaSRV#dd if=/dev/sr0 of=/home/hope/exampleCD.iso bs=2048 conv=noerror,sync

root@alaaheggaSRV#dd if=/dev/sda of=~/disk1.img


if is the input file

of is the output file

bs is bit start

For Cisco IOS images that are being used in GNS3 emulator use the below steps

root@alaaheggaSRV#dd if=c3725-adventerprisek9-mz.124-12.bin of=c3725-adventerprisek9-mz.124-12.image

now you have been decompressed the IOS.bin image


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