Prerequisites
- The topology shows as above , the DUT ASR9000B has 3 sub-interface to ASR9000C
- we has a route for 8.8.8.8/32 was through port Ten0/0/2/1.30 next-hop 10.102.12.2
- We will has ABF apply at ASR9000B and match DA 8.8.8.8 and set next-hop to 10.100.12.2 port Ten0/0/2/1.10
- We also have a default route and destination to 10.101.12.2 port Ten0/0/2/1.20
- ASR9000B LC was tyohon base card and run at 6.2.3