Exactly, a list of BGP related RFCs supported by Aruba 5400R zl2 and Aruba 3810M is:
BGP
- RFC 1997 BGP Communities Attribute
- RFC 2918 Route Refresh Capability
- RFC 4271 A Border Gateway Protocol 4 (BGP-4)
- RFC 4456 BGP Route Reflection: An Alternative to Full Mesh Internal BGP (IBGP)
- RFC 5492 Capabilities Advertisement with BGP-4
and, as already pointed out, RFC 4760 is not among them.