Need to understand the variations of 9k code: n9000-dk9.7.0.3.I2.2b.bin vs. nxos.7.0.3.I2.2d.bin

I would like to know if its possible to have multiple tunnel interfaces each with its own unique source address and the destination terminating on a single head-end interface (address).  Example: int t0 ip address x.x.x.x. tunnel source int g/g dest...

Does anyone know of a more updated revision of code for the ASR 1002 that supports this feature?  Currently running asr1000rp1-adventerprisek9.03.06.00.S.152-2.S.bin.Thanks!

Does anyone know why the bandwidth statement on the subinterface would be ignored unless its applied to the main interface? In a head-end setup i may have additional subs and I would think the bandwitch statement on the main int should reflect the ac...