2.3.3FASTPATH Quality of Service

2.3.3.1DiffServ

RFC 2474—Definition of the Differentiated Services field (DS field) in the IPv4 and IPv6 headers

RFC 2475—Architecture for differentiated services

RFC 2597—Assured Forwarding PHB Group

RFC 3246—Expedited forwarding PHB (Per-Hop Behavior)

RFC 3260—New terminology and clarifications for DiffServ

Optional policy attributes:

Assign matching traffic flow to a specific queue

Redirect or mirror (flow-based mirroring) matching traffic flow to a specific port

2.3.3.2Access Control Lists (ACLs)

Permit/Deny actions for inbound or outbound IP traffic classification based on:

Type of Service (TOS) or Differentiated Services (DS) DSCP field

Source IP address

Destination IP address

TCP/UDP source port

TCP/UDP destination port

IP protocol number

Permit/Deny actions for inbound or outbound Layer 2 traffic classification based on:

Source MAC address

Destination MAC address

Ethertype

802.1p user priority (outer and/or inner VLAN tag)

VLAN identifier value or range (outer and/or inner VLAN tag)

Optional rule attributes:

Assign matching traffic flow to a specific queue

Redirect or mirror (flow-based mirroring) matching traffic flow to a specific port

Generate trap log entries (ACL logging) containing rule hit counts

2-12Sun Netra CP3240 Switch Installation Guide • September 2009

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Sun Microsystems CP3240 manual Fastpath Quality of Service, DiffServ, Access Control Lists ACLs