Policy Resources Overview

The maximum number of policies that you can attach to interfaces on an E Series router depends on the classifier entries that make up the policy and the number of attachment resources available on the interface. JunosE Software allocates interface attachment resources when you attach policies to interfaces. See Interface Attachment Resources Overview for information about attachment resources.

An E Series router supports software and hardware classifiers. A policy can be made up of any combination of software and hardware classifiers. You use the classifier-list command to configure all classifiers.

There are two categories of hardware classifiers, depending on the type of line module being used. OC48/STM16, GE-2, GE-HDE, ES2 4G, ES2 10G, and ES2 10G Uplink line modules support content-addressable memory (CAM) hardware classifiers—all other line modules support FPGA hardware classifiers. Table 18 lists the classifiers supported on OC48/STM16, GE-2, GE-HDE, ES2 4G, ES2 10G, and ES2 10G Uplink line modules; Table 19 lists the classifiers supported on all other line modules.

Table 18: Classifier Support (OC48/STM16, GE-2, GE-HDE, ES2 4G, ES2 10G, and ES2 10G Uplink Line Modules)

Interface Type

Hardware Classifier

Software Classifier

All interface types (except IP and IPv6)

  • Color
  • Traffic class
  • User packet class

Frame Relay

Not supported

  • DE bit

GRE tunnels

Not supported

  • ToS

IP

  • Color
  • Destination address
  • Destination port
  • Destination route class
  • ICMP type and code
  • IGMP type
  • IP flags
  • IP fragmentation
  • Local
  • Protocol
  • Source address
  • Source port
  • Source route class
  • TCP flags
  • ToS
  • Traffic class
  • User packet class

Not supported

IPv6

  • Color
  • Destination address
  • Destination port
  • Destination route class
  • ICMPv6 type and code
  • Local
  • Protocol
  • Source address
  • Source port
  • Source route class
  • TC flags
  • TCP flags
  • Traffic class
  • User packet class

Not supported

MPLS

Not supported

  • EXP

VLAN

Not supported

  • User priority

Table 19: Classifier Support (All Line Modules Except OC48/STM16, GE-2, GE-HDE, ES2 4G, ES2 10G, and ES2 10G Uplink)

Interface Type

Hardware Classifier

Software Classifier

All interface types

  • Color
  • Traffic class
  • User packet class

Frame Relay

Not supported

  • DE bit

GRE tunnels

Not supported

  • ToS

IP

  • Destination address
  • Destination port
  • ICMP type and code
  • IGMP type
  • Protocol
  • Source address
  • Source port
  • Destination route class
  • IP flags
  • IP fragmentation
  • Local
  • Source route class
  • TCP flags
  • ToS

IPv6

  • Destination address
  • Destination port
  • ICMPv6 type and code
  • Protocol
  • Source address
  • Source port
  • Destination route class
  • Local
  • Source route class
  • TC field
  • TCP flags

MPLS

Not supported

  • EXP

VLAN

Not supported

  • User priority

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