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Enabling Or Disabling Igmp Snooping - Cisco HWIC-4ESW User Manual

Etherswitch interface cards
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How to Configure EtherSwitch HWICs

Enabling or Disabling IGMP Snooping

By default, IGMP snooping is globally enabled on the EtherSwitch HWIC. When globally enabled or
disabled, it is also enabled or disabled in all existing VLAN interfaces. By default, IGMP snooping is
enabled on all VLANs, but it can be enabled and disabled on a per-VLAN basis.
Global IGMP snooping overrides the per-VLAN IGMP snooping capability. If global snooping is
disabled, you cannot enable VLAN snooping. If global snooping is enabled, you can enable or disable
snooping on a VLAN basis.
Follow the steps below to globally enable IGMP snooping on the EtherSwitch HWIC.
SUMMARY STEPS
1.
2.
3.
4.
5.
6.
DETAILED STEPS
Command
Step 1
enable
Example:
Router> enable
Step 2
configure terminal
Example:
Router# configure terminal
Step 3
ip igmp snooping
Example:
Router(config)# ip igmp snooping
Step 4
end
Example:
Router(config)# end
Book Title
62
enable
configure terminal
ip igmp snooping
end
show ip igmp snooping
copy running-config startup-config
Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
Purpose
Enables privileged EXEC mode.
•
Enter your password if prompted.
Enters global configuration mode.
Globally enables IGMP snooping in all existing VLAN
interfaces.
Returns to privileged EXEC mode.
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