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    System and method for determining and representing one or more potential physical locations of a newly detected wireless network device
    75.
    发明授权
    System and method for determining and representing one or more potential physical locations of a newly detected wireless network device 有权
    用于确定和表示新检测的无线网络设备的一个或多个潜在物理位置的系统和方法

    公开(公告)号：US07085588B1

    公开(公告)日：2006-08-01

    申请号：US10937550

    申请日：2004-09-09

    申请人： Roger Pfister ,  Floyd Backes ,  Paul D. Callahan

    发明人： Roger Pfister ,  Floyd Backes ,  Paul D. Callahan

    IPC分类号： H04Q7/20

    CPC分类号： H04W16/18 ,  H04L41/0213 ,  H04L41/0896 ,  H04L41/12 ,  H04L41/22 ,  H04W16/225 ,  H04W24/00 ,  H04W40/00 ,  H04W88/02 ,  H04W88/08

    摘要： A previously unknown wireless device, which may be either an access point or a station, is detected by receipt of transmissions from that device at one or more access points that are currently operating within a managed wireless network. A graphic representation of the newly detected device is displayed in a region of a user interface external to a region containing a representation of the physical environment of the managed wireless network. A user selects a number of known access points from which an estimated distance to the newly detected device is to be determined and represented. A representation is generated of an estimated distance from each one of the selected number of access points, such as those access points that are estimated to be physically closest to the newly detected device, for example on the asis of signal strength with regard to transmissions from the newly detected device received at the known access points. The distance representations from the known access points may be provided using substantially circular “distance rings”, displayed in the region of the user interface containing a representation of the physical environment in which the wireless network is deployed. The distance rings enable a user to may observe one or more distance ring intersections indicating one or more potential positions within the wireless network's physical environment at which the newly detected device may be located.

    摘要翻译： 先前未知的无线设备（其可以是接入点或站）通过在当前在受管理的无线网络内操作的一个或多个接入点处接收到来自该设备的传输来检测。 新检测到的设备的图形显示在包含被管理的无线网络的物理环境的表示的区域外部的用户界面的区域中。 用户选择要确定和表示新检测到的设备的估计距离的多个已知接入点。 产生从所选数量的接入点中的每一个接收点的估计距离的表示，例如估计物理上最接近新检测到的设备的那些接入点，例如关于信号强度的相对于 在已知接入点处接收的新检测到的设备。 可以使用基本上圆形的“距离环”来提供来自已知接入点的距离表示，其显示在包含无线网络部署的物理环境的表示的用户接口的区域中。 距离环使得用户可以观察指示新检测到的设备可能位于的无线网络的物理环境内的一个或多个潜在位置的一个或多个距离环交叉。

    Method and apparatus for transparent intermediate system based filtering on a LAN of multicast packets
    78.
    发明授权
    Method and apparatus for transparent intermediate system based filtering on a LAN of multicast packets 失效
    基于组播数据包LAN的基于透明中间系统过滤的方法和装置

    公开(公告)号：US5999530A

    公开(公告)日：1999-12-07

    申请号：US761574

    申请日：1996-12-06

    申请人： Thomas LeMaire ,  Floyd Backes ,  Cyndi Jung

    发明人： Thomas LeMaire ,  Floyd Backes ,  Cyndi Jung

    IPC分类号： H04L12/66 ,  H04L12/18 ,  H04L12/46 ,  H04L12/56

    CPC分类号： H04L12/1877 ,  H04L12/1836 ,  H04L12/185 ,  H04L12/4604 ,  H04L12/4625 ,  H04L12/1886 ,  Y10S370/911

    摘要： A bridge (62) capable of reducing unwanted WAN multicast packet traffic in a LAN and an associated method and an associated LAN is disclosed. The bridge examines the contents of WAN multicast query and report packets and WAN multicast router-to-router discovery packets and includes this information in its filtering database (88). The bridge designates ports on which query packets or MRRDPs are received as router ports. When there is no WAN router generating multicast query packets into the LAN, the bridge simulates the behavior of a WAN router and generates WAN multicast query packets so as to cause report packet generation by end systems. A timeout interval for undesignating router ports and a method for determining an appropriate timeout for a port is disclosed.

    摘要翻译： 公开了能够减少LAN中的不需要的WAN组播数据包流量的桥（62），以及相关联的方法和相关联的LAN。 该网桥检查WAN组播查询，报告报文和WAN组播路由器到路由器发现报文的内容，并将其包含在其过滤数据库（88）中。 桥接器指定接收到查询数据包或MRRDP作为路由器端口的端口。 当没有WAN路由器生成组播查询报文到局域网时，桥接器模拟WAN路由器的行为，并生成WAN组播查询报文，从而使终端系统生成报告报文。 公开了一种用于不指定路由器端口的超时间隔以及用于确定端口适当超时的方法。