Hi Narsimha,Did you add routes to those VLANs in your gateway? If you didn't then your gateway would not know how to return traffic to computers in those three VLANs.To verify whether it's the case, run below pings from your 3550:ping 192.168.2.1 sou...

Routers may have only very limited switch functions. So it may not possible to turn your 1921 into a normal trunked switching device.To solve the issue in a routed environment, which is 1921's nature, you could enable proxy ARP in two 1921s. A l2tp m...

I think you should open browser and open google to check your natted Internet IP address. If you can get google showing your IP address is 70.173.111.* then you get everything work just fine except ICMP (ping, traceroute).

you can try if you can successfully tracer route to external IP or external DNS name of your server from the same point you perform above test or from your inside network.if your trace route is successful, then i think the cause may be asymmetrical c...

from the result you provide, i can tell you have exactly the same situation I have in one of my site's 5510 with a 8.1 version of ASA that is you can broswe Internet but not ping Internet. So I wonder if you can broswe Internet from DMZ network while...