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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 26 lists the show classifier-list command output fields.

Table 26: 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

Monitoring Classifier Control Lists

Purpose

Action

Meaning

Related Topics