for this alarm.   0/0 major fpd_infra 02/03/23 08:20:11 IPU-FPGA: Golden FPGA is below minimum version, Perform force fpd upgrade0/0 major fpd_infra 02/03/23 08:20:11 IPU-FSBL: Golden FPGA is below minimum version, Perform force fpd upgrade0/0 major ...

slide 28 will give you the speed of dual RSP880 on an 9010 will it work, it should...but the lower RSP880 will not give you any fabric redundancy the recommendation is to use RSP5 for redundancy https://www.ciscolive.com/c/dam/r/ciscolive/global-even...

Nat feature is not available on NCS540 at this time Carrier grade nat was only supported on xr asr9000 with VSM/ISM cards

the cards should be the same, -FC is flexible consumption which is licensed based documented here https://www.cisco.com/c/en/us/products/collateral/routers/asr-9000-series-aggregation-services-routers/datasheet-c78-741260.html these are lightspeed ba...

the 24x10G-1G is tomahawk, the 4HG is lightspeed. you can check this guide, it depends on the features and chunks used. https://xrdocs.io/asr9k/tutorials/asr-9000-bng-scale-best-practices/