发明授权
- 专利标题: Support of a large number of VLANs in a bridged network
- 专利标题(中): 支持桥接网络中的大量VLAN
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申请号: US11416988申请日: 2006-05-02
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公开(公告)号: US08902908B2公开(公告)日: 2014-12-02
- 发明人: Michael R. Smith , Gyaneshwar S. Saharia , Gaetano Borgione , Atul Rawat
- 申请人: Michael R. Smith , Gyaneshwar S. Saharia , Gaetano Borgione , Atul Rawat
- 申请人地址: US CA San Jose
- 专利权人: Cisco Technology, Inc.
- 当前专利权人: Cisco Technology, Inc.
- 当前专利权人地址: US CA San Jose
- 代理机构: The Law Office of Kirk D. Williams
- 主分类号: H04L12/28
- IPC分类号: H04L12/28 ; H04L12/56 ; H04L12/723 ; H04L12/46
摘要:
Disclosed are, inter alia, methods, apparatus, data structures, computer-readable media, mechanisms, and means for supporting a large number of virtual local area networks (VLANS) in a bridged network. Packets are received that include 802.1Q Virtual Local Area Network (VLAN) identifiers (VIDs). However, rather than accessing the VLAN forwarding information directly based on the VID as conventionally performed, the VLAN forwarding information to use for a particular packet is determined based on an interface (e.g., virtual or physical interface, port, MPLS label, GRE tunnel or other abstraction of the interface). In other words, the interface associated with the packet identifies a context for determining the VLAN forwarding information based on the VID included in the packet. Therefore, network bridging devices can support more VLANs than that imposed by the 4096 possible values of a VID.
公开/授权文献
- US20070258446A1 Support of a large number of VLANs in a bridged network 公开/授权日:2007-11-08
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