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1. 发明授权

US06819680B2 Link aggregation control for network devices 有权
标题翻译：网络设备的链路聚合控制
公开(公告)号：US06819680B2
公开(公告)日：2004-11-16
申请号：US09816313
申请日：2001-03-26
申请人： Graeme A Hickman , Maurice A Goodfellow , Ernest L Bell
发明人： Graeme A Hickman , Maurice A Goodfellow , Ernest L Bell
IPC分类号： H04J324
CPC分类号： H04L45/00 , H04L45/245 , Y02D50/30
摘要： A link aggregator control which produces for a system in which the aggregator is located data units identifying the system and a partner identity for a partner system, and in response to a change from an old system identity to a new system identity produces data units identifying the new system identity and distinctively identifying the old system identity in place of the partner identity. Where the system identity and partner identity are each in the form of a globally administered unicast media access control the old system identity is represented in the form of a locally administered multicast address in place of the partner identity.
摘要翻译：链路聚合器控制，其为聚合器所在的系统产生识别系统的数据单元和伙伴系统的伙伴身份，并且响应于从旧的系统标识向新的系统标识的改变，产生标识新的系统身份，并且明确地识别旧的系统身份而不是合作伙伴身份。在系统身份和伙伴身份各自以全局管理的单播媒体访问控制的形式的情况下，旧的系统身份以本地管理的多播地址的形式来代替伙伴身份。

2. 发明授权

US07283525B2 Multi-port network communication device with selective MAC address filtering 有权
标题翻译：具有选择性MAC地址过滤功能的多端口网络通信设备
公开(公告)号：US07283525B2
公开(公告)日：2007-10-16
申请号：US09760721
申请日：2001-01-17
申请人： Jon J Burgess , Graeme A Hickman , Shaun Paice , Dominic M. R. Ashworth , Paul R Garner
发明人： Jon J Burgess , Graeme A Hickman , Shaun Paice , Dominic M. R. Ashworth , Paul R Garner
IPC分类号： H04L12/56
CPC分类号： H04L63/0236
摘要： A multi-port network communication device includes a plurality of ports for the reception and transmission of addressed data packets which include media access control address data, a forwarding mechanism for directing packets received at any of said plurality of ports to at least one of the plurality of ports, a memory for the selectively controllable storage of permitted media access control addresses, and means for restricting forwarding of packets from the device in response to an examination of media access control data in said packets and said permitted media access control addresses.The forwarding of a unicast packet having a source address and a destination address is prevented when neither of those addresses in the unicast packet corresponds to a permitted media access control address. The forwarding mechanism prevents the forwarding of multicast or broadcast packets to ports which are not connected to devices having permitted media access control addresses.
摘要翻译：多端口网络通信设备包括用于接收和传输寻址数据分组的多个端口，所述寻址数据分组包括媒体接入控制地址数据，用于将在所述多个端口中的任一端口接收的分组引导到多个端口中的至少一个的转发机制的端口，用于有选择地控制存储允许的媒体访问控制地址的存储器，以及用于响应于所述分组和所述许可媒体访问控制地址中的媒体访问控制数据的检查而限制来自设备的分组转发的装置。当单播分组中的那些地址都不对应于允许的媒体访问控制地址时，防止具有源地址和目的地地址的单播分组的转发。转发机制防止组播或广播报文转发到未连接到具有允许的媒体访问控制地址的设备的端口。

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