Supported Standards for Filtering
The Junos OS supports the following RFCs related to filtering:
RFC 792, Internet Control Message Protocol
RFC 2460, Internet Protocol, Version 6 (IPv6)
RFC 2474, Definition of the Differentiated Services (DS) Field
RFC 2475, An Architecture for Differentiated Services
RFC 2597, Assured Forwarding PHB Group
RFC 3246, An Expedited Forwarding PHB (Per-Hop Behavior)
RFC 4291, IP Version 6 Addressing Architecture
RFC 4443, Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification
Note:
ACX Series routers do not support RFC 2460, RFC 4291, and RFC 4443 standards.