C Commands
This chapter describes the Cisco NX-OS IGMP commands that begin with C.
clear ip igmp event-history
To clear information in the IGMP event history buffers, use the clear ip igmp event-history command.
clear ip igmp event-history { cli | debugs | errors | events | ha | igmp-internal | mtrace | policy | vrf }
Syntax Description
cli |
Clears the CLI event history buffer. |
debugs |
Clears the debug event history buffer. |
events |
Clears the event history buffer. |
ha |
Clears the high availability (HA) event history buffer. |
igmp-internal |
Clears the IGMP internal event history buffer. |
mtrace |
Clears the mtrace event history buffer. |
policy |
Clears the polilcy event history buffer. |
vrf |
Clears the virtual routing and forwarding (VRF) event history buffer. |
Command Modes
Any command mode
Command History
|
|
5.0(3)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 HA event history buffer:
switch(config)#
clear ip igmp event-history ha
Related Commands
|
|
ip igmp event-history |
Configures the size of the IGMP event history buffers. |
clear ip igmp groups
To clear IGMP-related information in the IPv4 multicast routing table, use the clear ip igmp groups command.
clear ip igmp groups { * | group [ source ] | group-prefix } [ vrf { vrf-name | all | default | management }]
Syntax Description
* |
Specifies all routes. |
group |
Group address in the format A. B. C. D. |
source |
(Optional) Source (S, G) route. |
group-prefix |
Group prefix in the format A. B. C. D / length. |
vrf |
(Optional) Clears the virtual routing and forwarding (VRF) instance information. |
vrf-name |
VRF name. The name can be a maximum of 32 alphanumeric characters and is case sensitive. |
all |
Specifies that all VRF entries be cleared from the IPv4 multicast routing table. |
default |
Specifies that the default VRF entry be cleared from the IPv4 multicast routing table. |
management |
Specifies that the management VRF entry be cleared from the IPv4 multicast routing table. |
Command Modes
Any command mode
Command History
|
|
5.0(3)N1(1) |
This command was introduced. |
Usage Guidelines
The clear ip igmp route command is an alternative form of this command.
This command does not require a license.
Examples
This example shows how to clear all the IGMP-related routes in the IPv4 multicast routing table:
switch(
config)#
clear ip igmp groups *
Related Commands
|
|
clear ip igmp route |
Clears IGMP-related information in the IPv4 multicast routing table. |
show ip mroute |
Displays information about the IPv4 multicast routing table. |
clear ip igmp interface statistics
To clear the IGMP statistics for an interface, use the clear ip igmp interface statistics command.
clear ip igmp interface statistics [ ethernet slot / port | loopback if_number | port-channel number [. sub_if_number ]]
Syntax Description
ethernet slot/port |
(Optional) Specifies the Ethernet interface and the slot number and port number. The slot number is from 1 to 255, and the port number is from 1 to 128. |
loopback if_number |
(Optional) Specifies the loopback interface. The loopback interface number is from 0 to 1023. |
port-channel number |
(Optional) Specifies the EtherChannel interface and EtherChannel number. The range is from 1 to 4096. |
sub_if-number |
(Optional) Subinterface number. The range is from 1 to 4093. |
Command Modes
Any command mode
Command History
|
|
5.0(3)N1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to clear IGMP statistics for an interface:
switch#
clear ip igmp interface statistics ethernet 2/1
Related Commands
|
|
show ip igmp interface |
Displays information about IGMP interfaces. |
clear ip igmp route
To clear IGMP-related information in the IPv4 multicast routing table, use the clear ip igmp route command.
clear ip igmp route { * | group [ source ] | group-prefix } [ vrf { vrf-name | all | default | management }]
Syntax Description
* |
Specifies all routes. |
group |
Group address in the format A. B. C. D. |
source |
(Optional) Source (S, G) route. |
group-prefix |
Group prefix in the format A. B. C. D / length. |
vrf |
(Optional) Clears the virtual routing and forwarding (VRF) instance information. |
vrf-name |
VRF name. The name can be a maximum of 32 alphanumeric characters and is case sensitive. |
all |
Specifies that all VRF entries be cleared from the IPv4 multicast routing table. |
default |
Specifies that the default VRF entry be cleared from the IPv4 multicast routing table. |
management |
Specifies that the management VRF entry be cleared from the IPv4 multicast routing table. |
Command Modes
Any command mode
Command History
|
|
5.0(3)N1(1) |
This command was introduced. |
Usage Guidelines
The clear ipigmp groups command is an alternative form of this command.
This command does not require a license.
Examples
This example shows how to clear all the IGMP-related routes in the IPv4 multicast routing table:
switch(
config)#
clear ip igmp route *
Related Commands
|
|
clear ip igmp groups |
Clears IGMP-related information in the IPv4 multicast routing table. |
show ip mroute |
Displays information about the IPv4 multicast routing table. |