Go for the.tar image if you use GUI of the switch otherwise if you just use CLI go for the.bin fine. You should go ahead with the latest IOS images for both the switches. Cisco Catalyst 3550 48 SMI Switch.
Download Cisco IOS image for GNS3
Hi dear all, that’s really a great to share my hard work with you , After a lots of hit in Google I finally found trick to search Cisco IOS in free of course. So without talking much here are the link where you can free download Cisco ios image and you can upload or use this ios to the router and as well as in GNS3.
Small Collection of IOS Images.
Small Collection of IOS Images.
ftp://ftp.unikon-ua.net/pub/Cisco/IOS/
{Updated}Big Collection of IOS Images (Almost All Cisco IOS Images)
ftp://62.117.115.92/upload/ios/
Another Big Collection
{Updated}Big Collection of IOS Images (Almost All Cisco IOS Images)
ftp://62.117.115.92/upload/ios/
Another Big Collection
(NEW)Cisco IOS Images Big Collection v3. **Direct HTTP Link**
http://www.jonsfiles.com/IOS%20Images%20for%20GNS3/Cisco_IOS_Collection/IOS/
![Download Download](https://images-na.ssl-images-amazon.com/images/I/51sH7wExSaL._SX425_.jpg)
http://www.intranet.betomt.com.br/repositorio/IOS/CISCO/ASA Binary files for GNS3
http://www.4shared.com/dir/5716575/72cbe353/IOS.html
New Big IOS Collection
http://www.4shared.com/dir/5716575/72cbe353/IOS.html
New Big IOS Collection