Method of routing multicast traffic
First Claim
Patent Images
1. A method comprising:
- receiving a multicast packet at a network device;
identifying a multicast group address of the multicast packet;
determining whether the identified multicast group address has been statically configured to be associated with a particular multicast routing topology;
in response to determining that the identified multicast group address has not been statically configured, analyzing the received multicast packet to determine a multicast routing topology of the received multicast packet; and
populating a particular routing table of a plurality of routing tables on the network device based on the determined multicast routing topology, each routing table associated with a respective one of a plurality of multicast group addresses, and the particular routing table being associated with the identified multicast group address.
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Abstract
A method of routing multicast traffic in a computer network is disclosed. The method comprises associating a plurality of multicast group addresses on a network device with respective multicast routing topologies. A network device and a network are also disclosed.
23 Citations
20 Claims
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1. A method comprising:
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receiving a multicast packet at a network device; identifying a multicast group address of the multicast packet; determining whether the identified multicast group address has been statically configured to be associated with a particular multicast routing topology; in response to determining that the identified multicast group address has not been statically configured, analyzing the received multicast packet to determine a multicast routing topology of the received multicast packet; and populating a particular routing table of a plurality of routing tables on the network device based on the determined multicast routing topology, each routing table associated with a respective one of a plurality of multicast group addresses, and the particular routing table being associated with the identified multicast group address. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus comprising:
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a network interface unit configured to enable network communications; a processor coupled to the network interface unit and configured to; identify a multicast group address of the multicast packet; determine whether the identified multicast group address has been statically configured to be associated with a particular multicast routing topology; analyze, in response to determining that the identified multicast group address has not been statically configured, the received multicast packet to determine a multicast routing topology of the received multicast packet; and populate a particular routing table of a plurality of routing tables on the network device based on the determined multicast routing topology, each routing table associated with a respective one of a plurality of multicast group addresses, and the particular routing table being associated with the identified multicast group address. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A non-transitory tangible computer readable storage media encoded with instructions that, when executed by a processor of a network device configured to perform networking resource resolution, cause the processor to:
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receive, via a network interface unit, a multicast packet; identify a multicast group address of the multicast packet; determine whether the identified multicast group address has been statically configured to be associated with a particular multicast routing topology; analyze, in response to determining that the identified multicast group address has not been statically configured, the received multicast packet to determine a multicast routing topology of the received multicast packet; and populate a particular routing table of a plurality of routing tables on the network device based on the determined multicast routing topology, each routing table associated with a respective one of a plurality of multicast group addresses, and the particular routing table being associated with the identified multicast group address. - View Dependent Claims (17, 18, 19, 20)
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Specification