Patent ID: 9313118
Filing Date: 2016-04-12
CPC Classification: H04L

Claim Text:
1. A method for intercepting a multicast protocol packet, comprising: acquiring, by a switch in a computer network, multicast work information of a router, wherein the multicast work information comprises an interval of receiving general query packets, a number of group-specific query packets that are received after the switch forwards a host leave packet to the router, and a maximum response time set for a multicast group member host; acquiring, by the switch, multicast protocol parameters of the switch according to the multicast work information of the router, wherein the multicast protocol parameters comprise an interval of sending general query packets, a robustness variable, and a query response interval; acquiring, by the switch, a port aging time of the switch according to the multicast protocol parameters of the switch; and aging, by the switch, a port if no multicast protocol packet is received on the port within the port aging time.