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 33 lists the show classifier-list command output fields.

Table 33: 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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