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    • 5. 发明授权
    • Router using internal flood groups for flooding VPLS traffic
    • 路由器使用内部洪泛组洪泛VPLS流量
    • US07796593B1
    • 2010-09-14
    • US12020839
    • 2008-01-28
    • Kaushik GhoshKireeti KompellaRaj TuplurJunan ChenAmit Shukla
    • Kaushik GhoshKireeti KompellaRaj TuplurJunan ChenAmit Shukla
    • H04L12/28
    • H04L12/4641H04L12/4633H04L45/00H04L45/18H04L45/32
    • In general, techniques are described for flooding VPLS traffic with a network device according to flood groups. The network device resides within a layer 3 (L3) network and includes a control unit that executes a virtual private LAN service (VPLS) protocol that enables a VPLS domain to operate over the L3 network. The network device further includes a plurality of packet forwarding engines, each of which include a plurality of interface cards that receive a layer 2 (L2) message originating from the L2 network. The packet forwarding engines associate the L2 packet with a configurable flood group, wherein the flood group defines criteria to determine which messages to associate to the flood group and indicates a set of the interface cards for forwarding the associated messages. The packet forwarding engines further flood the L2 packet via each interface card indicated by the associated flood group.
    • 一般来说,描述了根据洪泛组洪泛VPLS业务与网络设备的技术。 网络设备驻留在第3层(L3)网络中,并且包括执行虚拟专用LAN服务(VPLS)协议的控制单元,其使得VPLS域能够在L3网络上运行。 网络设备还包括多个分组转发引擎,每个分组转发引擎包括接收来自L2网络的第二层(L2)消息的多个接口卡。 分组转发引擎将L2分组与可配置泛洪组相关联,其中,洪泛组定义用于确定哪些消息与洪泛组相关联的标准,并且指示用于转发相关消息的一组接口卡。 分组转发引擎通过由相关联的洪泛组指示的每个接口卡进一步泛洪L2分组。