Verify the MD5 hash of the Cisco IOS software image on the Cisco IOS device using the procedures detailed in the Image File Information Using IOS Upgrade Planner section. Modify the configuration of the Cisco IOS device to load the new Cisco IOS software image upon startup. Reload the Cisco IOS device to place the new software into service. 참고) 스위치 계열은 IOSv Startup Config 파일이 없다. 중요한 것은 모든 파일들이 같은 폴더에 위치하도록 한다. GNS3에 IOSv를 추가하는 방법. 설명은 라우터 IOSv를 추가하는 방법만 설명한다. 스위치 IOSv를 추가하는 방법은 라우터와 동일하다.
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.
Cisco Iosv 15.6
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
Cisco Ios Save Config
(NEW)Cisco IOS Images Big Collection v3. **Direct HTTP Link**
http://www.jonsfiles.com/IOS%20Images%20for%20GNS3/Cisco_IOS_Collection/IOS/
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