im insert HWIC-4ESW in two 2821
im probe create tunnel in interface fa0/0/0
xconnect l2tpv3 10.x.x.1 &etc
tunnel is up, circuit is up but traffic non walk
and im create
xconnect l2tpv3 10.x.x.1 and etc...
on two 2821 side of tunnel,
why xconnect on hwic-4esw on phisical interface not work?