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# Including and Excluding Traffic

IGMPv3 extends IGMPv2 functionality with the ability to include or exclude specific multicast traffic sources. That is, with IGMPv3, hosts signal (S,G) pairs to be included or excluded.

For hosts that cannot signal group membership dynamically, you can use the ip igmp static-include or ip igmp static-exclude command to statically include or exclude multicast traffic, respectively.

IGMPv3 is the industry-designated standard protocol for hosts to signal channel subscriptions in SSM. For additional information about SSM, see PIM Source-Specific Multicast.

ip igmp static-exclude

- Use to statically exclude the IGMP (S,G) membership for a host that is not capable of dynamically signaling group membership.
- Example
  `
  host1:boston(config-if)#ip igmp static-exclude 10.1.1.5 225.1.2.3
  `
- Use the no version to remove the static designation.
- See ip igmp static-exclude.

ip igmp static-include

- Use to statically include the IGMP (S,G) membership for a host that is not capable of dynamically signaling group membership.
- Example
  `
  host1:boston(config-if)#ip igmp static-include 10.1.1.1 225.1.2.3
  `
- Use the no version to remove the static designation.
- See ip igmp static-include.

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