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公开(公告)号：US4715030A
公开(公告)日：1987-12-22
申请号：US892618
申请日：1986-08-04
CPC分类号： G06F13/387 , H04L12/4625 , H04L45/745
摘要： Apparatus for bridging between two local area networks is disclosed. The apparatus has two bridge sides each including means for receiving or transmitting a message frame, controller means for directing an incoming message frame into a memory means shared between the bridge sides or directing a frame out of the memory means for transmission, address reading means for reading an address portion of the incoming frame and processor means for determining frame transmissibility from the address portion as provided by the address reading means. The apparatus is configured such that the processor means determines incoming frame transmissibility substantially concurrent with the controller means directing the incoming frame into the memory means.
摘要翻译： 公开了用于在两个局域网之间桥接的装置。 该装置具有两个桥接端，每个端口包括用于接收或发送消息帧的装置，用于将输入消息帧引导到在桥接侧之间共享的存储装置或将帧引导出存储装置进行传输的控制器装置，用于 读取输入帧的地址部分和处理器装置，用于根据地址读取装置提供的来自地址部分的帧传输率。 该装置被配置为使得处理器装置确定进入的帧传输率与控制器装置大致同时地将输入帧引导到存储装置中。
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公开(公告)号：US4737953A
公开(公告)日：1988-04-12
申请号：US892601
申请日：1986-08-04
CPC分类号： H04L45/742 , H04L12/4625
摘要： A method for operating a communication network bridge is disclosed. The bridge receives a message frame from a first network connected thereto and reads the source and destination addresses of the received frame. The bridge determines if the addresses are contained in a source address table maintained thereby and if both addresses are present, discards the frame. The bridge transmits the frame to a second network connected thereto if the source address is not in the table or if the source address but not the destination address is in the table.
摘要翻译： 公开了一种用于操作通信网桥的方法。 桥接器从连接到其的第一网络接收消息帧，并读取接收到的帧的源和目的地址。 桥接器确定地址是否包含在由此维护的源地址表中，并且如果两个地址都存在，则丢弃该帧。 如果源地址不在表中，或者源地址而不是目的地址在该表中，则桥将帧发送到连接到其的第二网络。
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