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    • 2. 发明授权
    • Ring rapid spanning tree protocol
    • 环快速生成树协议
    • US07929427B2
    • 2011-04-19
    • US12455836
    • 2009-06-08
    • Laurence RoseGuillaume Ivaldi
    • Laurence RoseGuillaume Ivaldi
    • H04L12/42
    • H04L12/66
    • In a method for enabling facilitation of re-convergence, designation information for a first port of each one of a plurality of bridges in a multi-bridge ring is received and designation information for a second port of each one of a plurality of bridges in a multi-bridge ring is received. The first port of each one of a plurality of bridges is a first direction Ring Rapid Spanning Tree Protocol (RRSTP) port and the second port of each one of a plurality of bridges is a second direction RRSTP port. The first direction around the ring (e.g., a forward direction) is opposite the second direction around said ring (e.g., a backward direction). A first reserved RRSTP MAC address is associated with the first direction port of each one of the bridges and a second reserved MAC address is associated with the second direction port of each one of the bridges.
    • 在能够促进再收敛的方法中,接收多桥环中的多个桥中的每一个的第一端口的指定信息,并且接收多个桥中的每一个桥的第二端口的指定信息 多桥环接收。 多个桥中的每一个的第一端口是第一方向环快速生成树协议(RRSTP)端口,并且多个桥中的每一个的第二端口是第二方向RRSTP端口。 围绕环的第一方向(例如,向前方向)与围绕所述环的第二方向(例如,向后方向)相反。 第一保留的RRSTP MAC地址与每个桥的第一方向端口相关联,并且第二保留MAC地址与每个桥的第二方向端口相关联。
    • 3. 发明授权
    • Retention of a stack address during primary master failover
    • 在主主机故障切换期间保留堆栈地址
    • US07630299B2
    • 2009-12-08
    • US11028346
    • 2004-12-30
    • Vincent MagretLaurence Rose
    • Vincent MagretLaurence Rose
    • H04J1/16
    • H04L49/352H04L45/00H04L45/583H04L45/60H04L49/351H04L49/557
    • The present invention features embodiments of alleviating the impact to a system of stack switches, as well as to neighboring nodes communicating with such a system, when a primary master switch to secondary master switch failover occurs. The features of the present invention, generally enables a system of stack switches to retain, for a fixed or indefinite period of time, its stack address even when multiple primary master to secondary master failovers occur. This way recalculation of certain protocols—e.g., spanning trees and link aggregations—and updating of certain tables—e.g., address resolution protocol (ARP) and routing tables—are minimized.
    • 本发明的特征在于,当主主交换机到次主主交换机故障切换发生时,本发明的特征在于减轻对堆叠交换机系统以及与这种系统通信的相邻节点的影响。 本发明的特征通常使堆叠交换机的系统能够在固定的或无限期的时间内保持其堆栈地址,即使在发生多个主要主设备到次要主设备故障转移时也是如此。 这样重新计算某些协议(例如生成树和链路聚合)以及某些表的更新(例如地址解析协议(ARP)和路由表))被最小化。
    • 10. 发明申请
    • SPANNING TREE PROTOCOL WITH BURST AVOIDANCE
    • 带有刺激性避孕的扫射树协议
    • US20110149738A1
    • 2011-06-23
    • US13040323
    • 2011-03-04
    • Laurence Rose
    • Laurence Rose
    • H04L12/26
    • H04L45/28H04L12/462H04L45/02H04L45/04H04L45/48
    • An apparatus and method for controlling bridge protocol data unit bursts is disclosed. The invention in the preferred embodiment is a switching device with a port enabled with a link management protocol and a burst control state machine. The burst control state machine is adapted to receive BPDUs and, under certain conditions, delay responding with its own BPDU falsely advertising itself as the new root bridge. The delay is preferably long enough to enable another bridge to identity the true root bridge. The delay, e.g., a burst control delay, is preferably equal to or less than a Hello time timer value generally defined to be 2 seconds in a Rapid Spanning Tree Protocol standard, for example.
    • 公开了一种用于控制桥协议数据单元突发的装置和方法。 优选实施例中的本发明是具有启用了链路管理协议和突发控制状态机的端口的交换设备。 突发控制状态机适用于接收BPDU,并且在某些情况下,使用自己的BPDU进行延迟响应会自动将其自身广播为新的根桥。 延迟优选地足够长以使得另一个桥可以识别真实的根桥。 例如,延迟例如突发控制延迟优选地等于或小于在快速生成树协议标准中通常定义为2秒的Hello时间定时器值。