Hi all,  I faced this issue while doing DMVPN .I got the messages as: 12:22:06.906: %DUAL-5-NBRCHANGE: EIGRP-IPv4 45678: Neighbor  (Tunnel0) is down: retry limit exceeded12:22:08.521: %DUAL-5-NBRCHANGE: EIGRP-IPv4 45678: Neighbor  (Tunnel0) is down: ...

Thanks a Lot for the response.

Thanks for useful information. May you please let me know which platform supports this feature means creating SVI creates L2 Vlan automatically. As i tried the same in some of Layer 3 switches (even old IOS) and it did not happen to me but i believe ...

Is there any cisco document which can be referred in this regard. Means how can someone assure that just by creating interface VLAN,the Layer 2 Vlan will be created automatically Thanks in advance