Just to be clear... As per IETF standard VRF, VLAN, Virtual Router context is address in SNMP (in the protocol intself), not in OID (Object ID).  SNMPv2: what is called the "community-string" is indeed define to carry the context as per IETF RFC def...

This is correct, all context (VRF, Vlan, subinterface,...) as per IETF RFC2271 (SNMPv2) is included in the community_string, CIsco IOS-XR implementation was enhanced in XR 4.x to includes per VRF snmp_context. Bertrand.

In BGP we are coming with newer tool called BMP (BGP Monitor Protocol), this will take all BGP adj-rib-in and send it to BMP collector. BMP will frequently update BMP collector with BGP statistics.Already supported in IOS-XE 3.11, could be demo using...