hi cindybesides encapsulation,L1/L2 error...you can control, something you can not control, one of the things is DDOS, I am not sure what happened there, but I guest when the traffic and error number increase abnormally, pls check on input packet whe...

what is about traffic ? is it increase obviously ?how about the result of "ip accounting or route-cache" ?

hello,IOS 12.2 13(T)and later version should detect and negotiate about NAT-T automatically.regards

hihave you enough public ip addresses for routers (871s) ?regards

hello,set a local pool so that SSL user should get address from here.using Nat 0 in order to traffic from DMZ to pool is not Natted.regards