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    Switch architecture independent of media
    4.
    发明授权
    Switch architecture independent of media 有权
    交换架构独立于媒体

    公开(公告)号：US07725639B2

    公开(公告)日：2010-05-25

    申请号：US12292323

    申请日：2008-11-17

    Applicant: Shiri Kadambi ,  Shekhar Ambe ,  Sandeep Relan

    Inventor： Shiri Kadambi ,  Shekhar Ambe ,  Sandeep Relan

    IPC: G06F13/00

    CPC classification number: H04L12/40071 ,  G06F1/1632 ,  H04L29/06 ,  H04L49/102 ,  H04L49/15 ,  H04L49/25 ,  H04L49/351 ,  H04L69/18

    Abstract: A network device for handling data and a method for handling data in a network device are disclosed. The network device includes at least one media port and at least one high speed docking station, communicating with the at least one media port. At least one master is provided in the network device, where the at least one master is connected to the at least one high speed docking station. The master is configured to handle and process data received by the at least one media port and passed to the master through the at least one high speed docking station. The network device is configured to handle media ports of different media types. Thus, the device can handle data received through different media ports that have different media types with the same master, making the network device easily configured to meet a customer's needs.

    Abstract translation: 公开了一种用于处理数据的网络设备和用于处理网络设备中的数据的方法。 网络设备包括与至少一个媒体端口通信的至少一个媒体端口和至少一个高速对接站。 至少一个主设备被提供在网络设备中，其中至少一个主站连接到至少一个高速对接站。 主设备被配置为处理和处理由至少一个媒体端口接收的数据并通过至少一个高速对接站传递给主设备。 网络设备被配置为处理不同媒体类型的媒体端口。 因此，该设备可以处理通过不同媒体端口接收的数据，该媒体端口具有与同一主机不同的媒体类型，使得网络设备容易配置以满足客户的需求。

    Switch assembly having multiple blades in a chassis
    5.
    发明授权
    Switch assembly having multiple blades in a chassis 有权
    开关组件在机箱中具有多个刀片

    公开(公告)号：US07466704B2

    公开(公告)日：2008-12-16

    申请号：US09956020

    申请日：2001-09-20

    Applicant: Mohan Kalkunte ,  Shekhar Ambe

    Inventor： Mohan Kalkunte ,  Shekhar Ambe

    IPC: H04L12/56 ,  H04L12/28 ,  H04J3/24

    CPC classification number: H04L43/00 ,  H04L43/12 ,  H04L49/3018 ,  H04L49/351 ,  H04L49/354

    Abstract: A switch assembly having multiple blades in a chassis and a method of using that assembly to switch data is disclosed. A network switch assembly for network communications includes at least one fabric blade and a plurality of port blades. The at least one fabric blade has at least one switch having a plurality of data port interfaces, supporting a plurality of fabric data ports transmitting and receiving data, and a CPU interface, where CPU interface is configured to communicate with a CPU. The at least one fabric blade also has a CPU subsystem communicating with the CPU interface. Each of said plurality of port blades has at least one switch having a plurality of data port interfaces, supporting a plurality of port data ports transmitting and receiving data. The plurality of port data ports communicate with the plurality of fabric data ports along multiple paths such that data received by the port data ports is switched to a destination port of the network switch assembly along a specified path of the multiple paths based on a portion of the received data. In particular, the invention relates to configurations having five and nine blades to provide the requisite switching capacity.

    Abstract translation: 公开了一种在底盘中具有多个叶片的开关组件以及使用该组件切换数据的方法。 用于网络通信的网络交换机组件包括至少一个结构刀片和多个端口刀片。 至少一个织物刀片具有至少一个开关，其具有多个数据端口接口，支持多个结构数据端口发送和接收数据;以及CPU接口，其中CPU接口被配置为与CPU通信。 至少一个织物刀片还具有与CPU接口通信的CPU子系统。 所述多个端口刀片中的每一个具有至少一个具有多个数据端口接口的开关，支持多个端口数据端口发送和接收数据。 多个端口数据端口沿着多个路径与多个结构数据端口进行通信，使得由端口数据端口接收的数据沿着多个路径的指定路径被切换到网络交换机组件的目的地端口 收到的数据。 特别地，本发明涉及具有五个和九个刀片以提供必要的切换能力的配置。

    Fastpath implementation for a double tagging loopback engine
    7.
    发明申请
    Fastpath implementation for a double tagging loopback engine 有权
    Fastlink实现双标签环回引擎

    公开(公告)号：US20080095062A1

    公开(公告)日：2008-04-24

    申请号：US11907059

    申请日：2007-10-09

    Applicant: Laxman Shankar ,  Shekhar Ambe

    Inventor： Laxman Shankar ,  Shekhar Ambe

    IPC: H04L12/56 ,  H04L12/54

    CPC classification number: H04L49/90

    Abstract: A network component for processing a packet can include a buffer configured to receive a packet, a forwarding unit configured to forward the packet received at the first buffer to a loopback port, and a transmitting unit configured to transmit the packet out of the loopback port. In addition, the network component can include a loopback unit configured to loop back the packet into the loopback port, a first identification unit configured to identify an egress port, and a second transmitting unit configured to transmit the packet looped back from the loopback port out of the egress port.

    Abstract translation: 用于处理分组的网络组件可以包括被配置为接收分组的缓冲器，转发单元，被配置为将在第一缓冲器处接收到的分组转发到环回端口，以及发送单元，被配置为将该分组发送出环回端口。 另外，网络组件可以包括被配置为将分组环回环回端口的环回单元，被配置为识别出口端口的第一识别单元和被配置为将从环回端口返回的分组发送出去的第二发送单元 的出口端口。

    Frame forwarding in a switch fabric
    8.
    发明授权
    Frame forwarding in a switch fabric 有权
    交换结构中的帧转发

    公开(公告)号：US07315552B2

    公开(公告)日：2008-01-01

    申请号：US10430424

    申请日：2003-05-07

    Applicant: Mohan Kalkunte ,  Shekhar Ambe ,  Srinivas Sampath

    Inventor： Mohan Kalkunte ,  Shekhar Ambe ,  Srinivas Sampath

    IPC: H04L12/54

    CPC classification number: H04L12/5601 ,  H04L45/00 ,  H04L45/54 ,  H04L45/742 ,  H04L49/203 ,  H04L49/309 ,  H04L2012/5651

    Abstract: A method of forwarding data in a network switch fabric is disclosed. An incoming data packet is received at a first port of the fabric and a first packet portion, less than a full packet length, is read to determine particular packet information including an opcode value. The opcode value allows the fabric to determine the packet type, such a a whether the packet is a broadcast packet, a unicast packet, a multicast packet, etc. Based on the opcode value read, a particular forwarding table of a plurality forwarding tables is read and an egress port bitmap is determined based on entries read from the particular forwarding table. The incoming data packet is then forwarded based on the egress port bitmap. In addition, the architecture of the switch fabric is also disclosed.

    Abstract translation: 公开了一种在网络交换结构中转发数据的方法。 在结构的第一端口处接收输入数据分组，并且读取小于全分组长度的第一分组部分以确定包括操作码值的特定分组信息。 操作码值允许结构确定分组类型，例如分组是广播分组，单播分组，组播分组等。基于读取的操作码值，读取多个转发表的特定转发表 并且基于从特定转发表读取的条目来确定出口端口位图。 然后根据出口端口位图转发输入数据包。 此外，还公开了交换结构的架构。

    Network switch having port blocking capability
    9.
    发明授权
    Network switch having port blocking capability 有权
    网络交换机具有端口阻塞能力

    公开(公告)号：US07227862B2

    公开(公告)日：2007-06-05

    申请号：US09953881

    申请日：2001-09-18

    Applicant: Mohan Kalkunte ,  Shekhar Ambe ,  Sam Sampath

    Inventor： Mohan Kalkunte ,  Shekhar Ambe ,  Sam Sampath

    IPC: H04L12/28

    CPC classification number: H04L49/3009 ,  H04L49/351 ,  H04L49/354 ,  H04L49/357

    Abstract: A switch is configured to block packets from being transmitted through designated ports. The switch has port bitmap generator configured to obtain a port bitmap and a table is configured to store a block mask indicating which port the packet should not be transmitted. A block mask lookup is configured to determine the block mask for the packet from the table, and a transmit port bitmap generator is configured to determine which ports the packet should be transmitted using the port bitmap and the block mask.

    Abstract translation: 交换机被配置为阻止通过指定端口传输数据包。 交换机具有端口位图生成器，其被配置为获得端口位图，并且表被配置为存储指示哪个端口不应该发送该分组的块掩码。 块掩模查找被配置为确定来自表的分组的块掩码，并且发送端口位图生成器被配置为使用端口位图和块掩码来确定应该发送数据包的哪些端口。

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