Cisco 3725 IOS Image Free Download for GNS3

Router IOS image with Switching Functionality:

Cisco 3700 series routers can provide you the different services like Security, Voice, IP Telephony, voice mail, Video and Content Networking in your network.



Key features for the Cisco 3725 include:

  •          You can  use16-port EtherSwitch NM with 3725 which can provide you the switching functionality.
  •        Support for all major WAN protocols and media: leased line, Frame Relay, ISDN, X.25, ATM, fractional T1/E1, T1/E1, xDSL, T3/E3, HSSI
  •      You can enable the SSH because of it's k9(crypto) feature. How to enable SSH on your router in GNS3



You can download 3725 gns3 router IOS  from here and play it on GNS3 for learning purposes. You can perform different routing labs as well as switching labs with this IOS image.


44 comments:

  1. Thank you so much.This image was very important for me :)

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  2. Awesome! Thank you!

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  3. Thank you... a lot.

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  4. THANK YOU SO MUCH!!!! I was looking for an Cisco IOS version that supports "encapsulation dot1Q" for a sub interface for the Cisco 3725 Multiservice Access Router. The current IOS version that I had, Version 12.2(15)T11 did not have this command when configurating sub interfaces (to configure Router-On-A-Stick). This cisco IOS version is the C3725-ADVSECURITYK9-M. THANK YOU SO MUCH FOR THE IMAGE.

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  5. thanks you so much brother

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  6. Such a great help. Thank you !!!

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  7. Thank you so much, it'll be very useful..

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  8. Does this image support bgp protocol?

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  9. Thanks!! I'm Net+ certified, but lack router and switch configuration/troubleshooting/management experience. I am hoping that going through GNS3 labs and reading forums like this will help me gain knowledge and experience in these areas. Any tips, please feel free to chime in!!

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  10. thanks alot you have helped me great

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  11. Thanks man. It works like a charm

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  12. Thanks mate..appreciate it !

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  13. It was so great to get this ios image. Thanks a lot

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  14. Thank you so much, brothaaar. Lately i feel bored but you have the solution :3

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  15. thanks a lot , you saved my day man

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  16. thank you bro, it's a great, te debo una ;)

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  17. thank you
    when i download this image its open with adobe reader
    which cant support this kind of file,,so what should i do???!

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    Replies
    1. Simply add IOS into GNS3 instead to directly opening it... :)

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  18. Hi thank you for the sharing:)
    Is this image totally supported by GNS3? I cannot find the supported hardware list from GNS3 forum.

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  19. hi do you have cisco ios 15.1 image?

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