Once booted, enter the following commands in the console to verify the image loaded correctly:
Router> enable
Router# show version
Expected Output:
Look for the following line in the output:
Cisco IOS Software, 3700 Software (C3725-ADVENTERPRISEK9-M), Version 12.4(15)T14, RELEASE SOFTWARE (fc2)
You should also see:
System returned to ROM by power-on
System image file is "flash:c3725-adventerprisek9-mz.124-15.T14.bin" c3725adventerprisek9mz12415t14image download verified
mz: This denotes the type of IOS image.
124-15.T14: This represents the specific version of the IOS software. Once booted, enter the following commands in the
The 3725 is an emulation of a PowerPC processor. Without the correct Idle PC value, the emulator thinks the CPU is constantly busy.
If you're looking to download this IOS image, the official Cisco website (or authorized distributors) is the best place to find it. Cisco often requires registration or a valid account to access software downloads. Expected Output: Look for the following line in
Once downloaded, verifying the integrity of the IOS image is crucial. Cisco provides MD5 or SHA-256 checksums along with the IOS images. You can use these checksums to verify that the downloaded file has not been corrupted or tampered with during the download process. This verification process can typically be done using command-line tools on your computer: