In the Qemu binary and memory window, if your operating system is 64 Bit, select the option in the image below.Īlso, set the RAM amount of the Switch in this window and click Next. In the Qemu VM name window, type a name for the Layer 2 Switch. In the Qemu VM Templates, click the New button. In the General Preferences window, click Qemu VMs under the QEMU tab.
Select and right-click ASA-1, select Start to start it and open the console of ASA.After downloading the Switch IOS file, run the GNS3 program, and then click Edit.
Close the Node properties window and drag the Cisco ASA into the work view area. In the Options text box, type -vnc none -vga none -m 1024 -icount auto -hdachs 980,16,32. In the Kernel command line text box, type no-hlt -append ide_generic.probe_mask=0x01 ide_core.chs=0.0:980,16,32 auto nousb console=ttyS0,9600 bigphysarea=65536 Next, select the Advanced settings tab. Next, select the Network tab and then select the Use the legacy network mode check box (to avoid any network error). In the General settings tab, set the Memory size as 2048 MB (otherwise, you might get an error due to insufficient RAM). Click Edit to open the Node properties window. In the Image message box, click Yes again and then finally click Finish. Click again Browse to add Kernel image file and select the vmlinuz file that you have extracted. Click Browse to add the initial RAM disk file and select the initrd file that you have extracted. In the ASA VM page, select the New Image radio button. 
The Disk image page will return, click Next.In the Size and location page, click Browse and select the location where you want to store it or accept the default location and then click Finish.In the QEMU Image Creator window, select the appropriate image format such as Qcow2 and then click Next.In the Disk Image page, (select an existing image, if available or select the New Image radio button to create a new one) type ASAImage in the Disk image text box and then click Create.In the QEMU binary and memory page, customize memory size or accept the default memory size and then click Next.In the QEMU VM Name page, specify a name and click Next.
In the New QEMU VM template window, select ASA from the Type drop-down list and then click Next. In the GNS3 console, open the Preferences window, select Qemu VMs and then click New. Some users argue that u could use image from real device u owned I think this might be a grey area what about GNS forum or gns3 people, do they mention anything about getting images? There are many IOS images of different networks devices on the web, but some of them are the most used on GNS3, to do the networking exercises to practice or prepare CCNA, CCNA or even CCIE and real Labs of networking as if you were working with real network devices, since the images come with all the features supported, for example by a physical router or switch.ĭownload Cisco ASA image file. No official word from Cisco regarding using image in gns3. From Cisco perspective we are not allowed to use image on GNS3. #Download ios image for gns3 how to
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