A tunnel ISA can only be provisioned on an FP2- or FP3-based IOM. The following output displays a card and ISA configuration.
*A:ALA-49>config# info
----------------------------------------------
...
card 1
card-type iom4-e
mda 1
mda-type me40-1gb-csfp
no shutdown
exit
mda 2
mda-type isa2-tunnel
no shutdown
exit
no shutdown
...
----------------------------------------------
*A:ALA-49>config#