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    • 61. 发明授权
    • Seamless spanning tree restart of a single supervisor
    • 单个主管的无缝生成树重启
    • US07756066B2
    • 2010-07-13
    • US11329681
    • 2006-01-10
    • Tameen KhanAmitkumar PatelRonak DesaiRamana MellacheruvuUmesh Mahajan
    • Tameen KhanAmitkumar PatelRonak DesaiRamana MellacheruvuUmesh Mahajan
    • H04L12/28
    • H04L45/18H04L45/00H04L45/02H04L45/48H04L49/552H04L49/65
    • Disclosed are methods and apparatus for restarting a first network device having a plurality of ports for receiving and transmitting layer 2 data. The first network device belongs to a network of network devices. When a restart of at least a portion of the first network device is imminent whereby STP is no longer functioning for the first network device during the restart and can no longer alter a spanning tree protocol (STP) state of one or more of the ports and such ports that remain in a fixed state during the restart are referred to as restarting ports, a current state (such as forwarding) of each restarting port is maintained during the restart under predefined conditions. During the restart, each of the restarting ports of the restarting network device portion cooperate with its peer port of a second non-restarting network device that is a neighbor of the first network device so as to prevent layer 2 loops in the network.
    • 公开了用于重新启动具有用于接收和发送第二层数据的多个端口的第一网络设备的方法和装置。 第一个网络设备属于网络设备网络。 当第一网络设备的至少一部分的重新启动迫在眉睫,由此在重新启动期间STP不再对第一网络设备起作用,并且不能再改变一个或多个端口的生成树协议(STP)状态,并且 在重新启动期间保持在固定状态的端口被称为重新启动端口,在预定义条件下在重新启动期间维护每个重新启动端口的当前状态(例如转发)。 在重新启动期间,重新启动网络设备部分的每个重新启动端口与作为第一网络设备的邻居的第二非重新启动网络设备的对等端口协作,以防止网络中的第二层环路。