Patent ID: 8571028
Filing Date: 2013-10-29
Classification: H04L

Abstract:
1. A method comprising: a. a multicast snooping switch storing, for a combination of a first port, a first multicast group address and a first host: b. the multicast snooping switch receiving from the first host, via the first port, a routing message using a multicast routing protocol, the routing message comprising identifying data of the first multicast group address; c. the multicast snooping switch reading information data contained in the routing message; and d. the multicast snooping switch replacing, based on the information data, the first state record for the combination of the first port, the first multicast group address and the first host with a second state record without modifying the state records of other hosts for the same first port and first multicast group address, the second state record devoid of timers associated with the source IP addresses and usable to remove the source IP addresses from the second state record source list.