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gns3 with layer 3 switch

I use the NM-16ESW with my 3725 IOS to simulate the layer 3 switch on my GNS3 version 1.3.13. I configured the SVI and a defaiult route. When I did show IP route, my last resort route was not set. Any ideas experts?. Thanks
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Niten Kumar
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Have you run the command ip default-gateway X.X.X.X command to setup the switch default gateway where X.X.X.X is router IP.

By the way there is a better way to simulate a L3 switch in GNS3 where you can get actual switch simulation.  I believe in your case you are using a router and adding a module to simulate a switch.
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Predrag Jovic
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ip routing command is enabled. So I use the ip route 0.0.0.0 0.0.0.0 10.10.10.1 and the strange thing is I could not ping the next hop even though everything is up & up. Itis just two layer 3 switches connected to each other.

Niten,
What is the  better way to simulate a L3 switch in GNS3?
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There was something going on with GNS3 STP. I restarted Windows and GNS3 and now it is working.

Niten,
Awesome. I will try that. Thanks
You can try UNL, a little bit complicated to make it work, but one of my colleagues prepared  most of CCIE on it. Not sure how good it is, I just started to have fun with it (day1). There are tutorials on youtube how to configure it.