Title:
ADDRESS UPDATE METHOD FOR PORTS OF SWITCHING NODE, AND SWITCHING NODE IN ETHERNET RING NETWORK
Document Type and Number:
WIPO Patent Application WO/2010/102490
Kind Code:
A1
Abstract:
An address update method for ports of switching node in Ethernet ring network is provided by the invention. The method includes: when an Ethernet ring network link is blocked, the two switching nodes at the both ends of the block link periodically send address update messages in the directions away from the block link respectively, the address update messages include media access control (MAC) address lists of the specific switching nodes, and the specific switching nodes are the switching nodes whose MAC address information is included in the address forwarding tables, wherein the tables are learned in special virtual local area network (VLAN) by the ports of the switching nodes generating the address update messages connected to the block link (401); after receiving the address update messages, the switching node judges whether its own MAC address exists in the MAC address lists of the specific switching nodes, and deletes all address forwarding items associated with the ports receiving the address update messages if not exist (402). A switching node is also provided by the invention. The invention can greatly reduce the messages broadcasted for address learning between switching nodes during the network topology changing.
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Inventors:
WANG BIN (CN)
WU SHAOYONG (CN)
WU SHAOYONG (CN)
Application Number:
PCT/CN2009/074550
Publication Date:
September 16, 2010
Filing Date:
October 21, 2009
Export Citation:
Assignee:
ZTE CORP (CN)
WANG BIN (CN)
WU SHAOYONG (CN)
WANG BIN (CN)
WU SHAOYONG (CN)
International Classes:
H04L12/437
Domestic Patent References:
| WO2008120931A1 | 2008-10-09 |
Foreign References:
| CN101248627A | 2008-08-20 | |||
| CN101123531A | 2008-02-13 | |||
| CN101262401A | 2008-09-10 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (8 Xue Qing Rd.Haidian, Beijing 2, CN)
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