Post subject: 3640 ios. Posted: Fri Jun 12, 2009 2:03 pm. I was able to work with the 3640 ios router under gns3 without any problem. But I was trying a new lab and for some reason, the 3640 does not have any interface. I tried the Configure option and try to add the network cards. Cisco IOS - C3640-Jsx-Mz 123-6.bin 09-Apr-2016 07:32 18M Cisco IOS - c3640-ik9o3s-mz.124-3.bin 09-Apr-2016 08:23 25M Cisco IOS - c3640-is-mz.123-8.T9632Plus.bin 09-Apr-2016 08:22 21M Cisco IOS - c3640-jk9o3s-mz.123-10.bin 09-Apr-2016 08:17 20M Cisco IOS - c3640-jk9o3s-mz.123-8.T3.bin 09-Apr-2016 06:38 25M Cisco IOS c3640-ik9o3s-mz.124-3.bin 09-Apr-2016 08:16 25M c3640-I-Mz 123-6.bin 09-Apr.
In Gns3 by default there is no way of running Cisco switch, but using Cisco 3640 IOS image you can convert your router into switch. There is a module i.e. NM-16ESW module which can be used with. We have a Catalyst 3750 with old IOS version which is online. I was able to work with the 3640 ios router under gns3 without any problem. But I was trying a new lab and for some reason, the 3640 does not have any interface. I tried the Configure option and try to add the network cards. I reloaded gns3 several times and tried it again. But it does not work anymore. I am no sure what. Jun 12, 2016 GNS3 is network simulator and offers number of ways to emulate Cisco Image or other IOS. YOu can run different Cisco IOS images in gns3 with Dynamips. In Gns3 by default there is no way of running Cisco switch, but using Cisco 3640 IOS image you can convert your router into switch.
Table of Contents
Creating IOS Router Template
In creating a network diagram for the GNS3 project, you will create a router template. This section explains the procedure for creating an IOS router template that uses the IOS image file of the actual router.
Step 1: Prepare an IOS image file
You should save the IOS image file to local storage beforehand, and Cisco 3640 series IOS is relatively easy to obtain and use on GNS3.
Refer to the following article on how to download an IOS image file from your router.
Step 2: Open [Preferences].
Start GNS3 and click [Edit] → [Preferences] to open the [Preferences] window.
Step 3: Open the IOS router template creation window.
Select [IOS routers] and click [New] to open the Create IOS Router Template window.
Step 4: Creating the IOS router template
From the Create IOS Router Template window, create an IOS router template by specifying the required information.
IOS image file path
Select Existing Image and specify the path to the IOS image file.
Template Name
The router’s template name is the platform name by default, such as “c3640”. You can specify the name of the template if necessary. it is useful to know the IOS feature set and version.
RAM size
Determine the amount of RAM in the IOS router you want to emulate. there is a link to the Feature Navigator to find out how much RAM you need for the IOS you are using in the Feature Navigator.
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Modules to be mounted
3640 Ios Gns3 Download
Select the modules to be mounted in the slot of the router. WIC can be mounted if necessary.
Idle-pc
Specify Idle-pc value. When you click [Idle-PC finder], the appropriate Idle-pc value is measured. When an appropriate value is measured by the [Idle-PC finder], click [Finish], and the creation of the IOS router template is complete.
Step 5: Verify the IOS router template
Verify the contents of the IOS router template you created.
Creating an EtherSwitch router template
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Using the actual IOS image, create an EtherSwitch router template for use as an L2/L3 switch. Just check [This is an EtherSwitch router] on the template name selection window.
Check [This is an EtherSwitch router] to automatically change the template name to “EtherSwitch router”. Change the name if necessary.
Gns3 3640 Ios
The slot1 is also automatically equipped with the “NM-16ESW” module; Fa1/0 to Fa1/15 can be used as switch ports.