C Commands

This chapter describes the Cisco NX-OS IGMP snooping commands that begin with C.

clear ip igmp snooping event-history

To clear information from IGMP snooping event history buffers, use the clear ip igmp snooping event-history command.

clear ip igmp snooping event-history {rib | vpc | igmp-snoop-internal | mfdm | mfdm-sum | vlan | vlan-events}

Syntax Description

rib

Clears the unicast Routing Information Base (RIB) event history buffer.

vpc

Clears the virtual port channel (vPC) event history buffer.

igmp-snoop-
internal

Clears the IGMP snooping internal event history buffer.

mfdm

Clears the multicast FIB distribution (MFDM) event history buffer.

mfdm-sum

Clears the MFDM sum event history buffer.

vlan

Clears the VLAN event history buffer.

vlan-events

Clears the VLAN-events event history buffer.


Command Default

None

Command Modes

Any command mode

Command History

Release
Modification

6.0(2)N1(1)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to clear information in the IGMP snooping VLAN event history buffer: 

switch(config)# clear ip igmp event-history vlan

switch(config)#

 
   
 
    
   
 Related Commands
 
   
 
    
 
      
      
      
 
        
        

          Command 
        
 		 
        
        

          Description 
        
 		 
      
 
      
 
       
 ip igmp snooping event-history 
 		 
       
 Configures the size of the IGMP snooping event history buffers. 
 		 
      
 
      
    
 
   
 
   
 
   
 
 
    
     
    
    
   
 clear ip igmp snooping explicit-tracking vlan 
 
    
   
 To clear the IGMP snooping explicit host tracking information for VLANs, use the clear ip igmp snooping explicit-tracking vlan command. 
 
    
   
clear ip igmp snooping explicit-tracking vlan vlan-id 
 
    
   
 Syntax Description
 
   
 
    
 
      
      
      
 
       
 vlan-id 
 		 
       
 VLAN number. The range is from 1 to 3968 and 4049 to 4093. 
 		 
      
 
      
    
 
   
 
   
 
   
 
 
    
   
 Command Default 
 
    
   
 None 
 
    
   
 Command Modes 
 
    
   
 Any command mode 
 
    
   
 Command History
 
   
 
    
 
      
      
      
 
        
        

          Release 
        
 		 
        
        

          Modification 
        
 		 
      
 
      
 
       
 6.0(2)N1(1) 
 		 
       
 This command was introduced. 
 		 
      
 
      
    
 
   
 
   
 
   
 
 
    
   
 Usage Guidelines 
 
    
   
 This command does not require a license. 
 
    
   
 Examples 
 
    
   
 This example shows how to clear the explicit tracking information for VLAN 1: 
 
    
   
 
    
switch# clear ip igmp snooping explicit-tracking vlan 1

 
   
 
    
   
 
    
switch# 

 
   
 
    
   
 Related Commands
 
   
 
    
 
      
      
      
 
        
        

          Command 
        
 		 
        
        

          Description 
        
 		 
      
 
      
 
       
 show ip igmp snooping explicit-tracking vlan 
 		 
       
 Displays explicit host tracking information for IGMPv3. 
 		 
      
 
      
    
 
   
 
   
 
   
 
 
     
    
    
   
 clear ip igmp snooping statistics vlan 
 
    
   
 To clear the IGMP snooping statistics for VLANs, use the clear ip igmp snooping statistics vlan command. 
 
    
   
clear ip igmp snooping statistics vlan [vlan-id | all] 
 
    
   
 Syntax Description
 
   
 
    
 
      
      
      
 
       
 vlan-id 
 		 
       
 (Optional) VLAN number. The range is from 1 to 3968 and 4049 to 4093. 
 		 
      
 
      
 
       
 all 
 		 
       
 (Optional) Applies to all VLANs. 
 		 
      
 
      
    
 
   
 
   
 
   
 
 
    
   
 Command Default 
 
    
   
 All VLANs 
 
    
   
 Command Modes 
 
    
   
 Any command mode 
 
    
   
 Command History
 
   
 
    
 
      
      
      
 
        
        

          Release 
        
 		 
        
        

          Modification 
        
 		 
      
 
      
 
       
 6.0(2)N1(1) 
 		 
       
 This command was introduced. 
 		 
      
 
      
    
 
   
 
   
 
   
 
 
    
   
 Usage Guidelines 
 
    
   
 This command does not require a license. 
 
    
   
 Examples 
 
    
   
 This example shows how to clear IGMP snooping statistics for VLAN 1: 
 
    
   
 
    
switch# clear ip igmp snooping statistics vlan 1

 
   
 
    
   
 
    
switch# 

 
   
 
    
   
 Related Commands
 
   
 
    
 
      
      
      
 
        
        

          Command 
        
 		 
        
        

          Description 
        
 		 
      
 
      
 
       
 show ip igmp snooping statistics vlan 
 		 
       
 Displays IGMP snooping statistics by VLAN.