公开(公告)号：US20180069830A1

公开(公告)日：2018-03-08

申请号：US15557467

申请日：2015-08-18

Applicant: ZTE CORPORATION

Inventor： Benchong XU ,  Xiaoli JI

IPC: H04L29/12

CPC classification number: H04L61/2069 ,  H04L45/026 ,  H04L45/16 ,  H04L61/6004

Abstract: The present disclosure discloses a method and system for reducing changes in a designated router (DR) of a protocol independent multicast (PIM) protocol. The method includes: after a PIM device joins a shared network, an interface of the PIM device receives a Hello message sent by other PIM device in the shared network, herein the Hello message carries a DR address option; and the interface of the PIM device uses a currently used DR address carried in the Hello message as a DR address of the interface.