Hi Srini ,Reffre this page.. Please let me know if u need more info .http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_9_ea1/configuration/guide/swvlan.htmlMohan
Tunnel source should be fast ethernet IP address.http://www.cisco.com/en/US/docs/ios/12_2t/12_2t8/feature/guide/grekpliv.htmlhttp://www.cisco.com/en/US/tech/tk827/tk369/tk287/tsd_technology_support_sub-protocol_home.htmlSearch in cisco.com for more i...