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    Monitoring Classifier Control Lists

    Purpose

    Display a list of classifier control lists or details of classifier control lists.

    Action

    To display a list of CLACLs:

    host1#show classifier-list
    
                             Classifier Control List Table
                             ---------- ------- ---- -----
    GRE Tunnel greClass.1
    VLAN lowLatencyLowDrop.1
    VLAN excellentEffort.1
    VLAN bestEffort.1
    VLAN lowLatency.1
    IP wstFd.1 source-route-class 44 destination-route-class 55 3 any any
    IP XYZCorpPermit.1 local true color green ip any any
    IP routeForXYZCorp.1 color red tcp any any
    IP XYZCorpIcmpEchoRequests.1 ip any any
    IP XYZCorpPrecedence.1 tcp any any tos 5
    IP XYZCorpPrecedence67.1 udp any any
    IPv6 IPv6Precedence.1 color yellow
    IPv6 IPv6Precedence67.1
    L2TP l2tpclass.1 color green user-packet-class 8
    MPLS mplsClass.1 user-packet-class 10 exp-bits 3 exp-mask 7 
    Frame relay frMatchDeSet.7 user-packet-class 8 de-bit 0

    To display details of each CLACL:

    host1#show classifier-list detailed
    
                             Classifier Control List Table
                             ---------- ------- ---- -----
    IP Classifier Control List XYZCorpPermit
       Reference count:      1
       Entry count:          1 
       Classifier-List XYZCorpPermit Entry 1
          Color:                      green
          Protocol:                   ip
          Not Protocol:               false
          Source IP Address:          0.0.0.0
          Source IP WildcardMask:     255.255.255.255
          Not Source Ip Address:      false
          Destination IP Address:     0.0.0.0
          Destination IP WildcardMask:255.255.255.255
          Not Destination Ip Address: false
    GRE Tunnel Classifier Control List greClass
       Reference count:      0
       Entry count:          2
       Classifier-List greClass Entry 1
          User Packet Class:          8
          DS Field:                   3
       Classifier-List greClass Entry 2
          Color:                      yellow 
    VLAN Classifier Control List bestEffort
       Reference count:      0
       Entry count: 1
       Classifier-List bestEffort Entry 1
          Color:                      red
          User Packet Class:          15
          User Priority bits:         7
    IPv6 Classifier Control List IPv6Classifier
       Reference count:      0
       Entry count:          1
       Classifier-List IPv6Classifier Entry 1
          User Packet Class:          3
          Traffic Class Field:        200 
    L2TP Classifier Control List l2tpclass
       Reference count:      0
       Entry count:          1
       Classifier-List l2tpclass Entry 1
          Color:                      green
          User Packet Class:          8 
    MPLS Classifier Control List mplsClass
       Reference count:      0
       Entry count:          1
       Classifier-List mplsClass Entry 1
          User Packet Class:          10
          EXP Bits:                   3
          EXP Mask:                   7
    Frame relay Classifier Control List frMatchDeSet
       Reference count:      2
       Entry count:          1
       Classifier-List frMatchDeSet Entry 7
          Traffic Class:              toBoston
          User Packet Class:          8
          DE Bit:                     0

    Meaning

    Table 1 lists the show classifier-list command output fields.

    Table 1: show classifier-list Output Fields

    Field Name

    Field Description

    Reference count

    Number of times the CLACL is referenced by policies

    Entry count

    Number of entries in the classifier list

    Classifier-List

    Name of the classifier list

    Entry

    Entry number of the classifier list rule

    Color

    Packet color to match: green, yellow, or red

    Protocol

    Protocol type

    Not Protocol

    If true, matches any protocol except the preceding protocol; if false, matches the preceding protocol

    Source IP Address

    Address of the network or host from which the packet is sent

    Source IP WildcardMask

    Mask that indicates addresses to be matched when specific bits are set

    Not Source Ip Address

    If true, matches any source IP address and mask except the preceding source IP address and mask; if false, matches the preceding source IP address and mask

    Destination IP Address

    Number of the network or host from which the packet is sent

    Destination IP WildcardMask

    Mask that indicates addresses to be matched when specific bits are set

    Not Destination Ip Address

    If true, matches any destination IP address and mask except the preceding destination IP address and mask; if false, matches the preceding destination IP address and mask

    Traffic Class

    Name of the traffic class to match

    User Packet Class

    User packet value to match

    DS Field

    DS field value to match

    TOS Byte

    ToS value to match

    Precedence

    Precedence value to match

    User Priority bits

    User priority bits value to match

    Traffic Class Field

    Traffic class field value to match

    EXP Bits

    MPLS EXP bit value to match

    EXP Mask

    Mask applied to EXP bits before matching

    DE Bit

    Frame Relay DE bit value to match

    Destination Route Class

    Route class used to classify packets based on the packet’s destination address

    Source Route Class

    Route class used to classify packets based on the packet’s source address

    Local

    If true, matches packets destined to a local interface; if false, matches packets that are traversing the router

     

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    Published: 2014-08-14