Gigabit switch with frame forwarding and address learning
    31.
    发明授权
    Gigabit switch with frame forwarding and address learning 失效
    千兆交换机带有帧转发和地址学习

    公开(公告)号:US07796612B2

    公开(公告)日:2010-09-14

    申请号:US11312496

    申请日:2005-12-21

    IPC分类号: H04L12/28

    摘要: A network switch and a method thereof for network communications include a first data port interface and a second data port interface supporting a data port transmitting and receiving data at a first data rate and a second data rate, respectively. The switch has a CPU interface to communicate with a CPU and a memory management unit to communicate data from at least one of the first and second data port interfaces and a memory. The switch includes a communication channel communicating data and messaging information between the first and second data port interfaces and the memory management unit and lookup tables, including an address resolution lookup table and a VLAN table. The first or second data port interfaces determine an egress port for an incoming data packet from a search of the address resolution lookup table and the VLAN table using a VLAN ID from the incoming data packet.

    摘要翻译: 一种用于网络通信的网络交换机及其方法包括分别支持以第一数据速率和第二数据速率发送和接收数据的数据端口的第一数据端口接口和第二数据端口接口。 交换机具有CPU接口以与CPU和存储器管理单元进行通信,以从第一和第二数据端口接口和存储器中的至少一个传送数据。 交换机包括在第一和第二数据端口接口和存储器管理单元之间传送数据和消息传递信息的通信信道以及查找表,包括地址解析查找表和VLAN表。 第一或第二数据端口接口通过来自地址解析查找表的搜索和使用来自输入数据分组的VLAN ID的VLAN表来确定输入数据分组的出口端口。

    Cluster switching architecture
    32.
    发明申请
    Cluster switching architecture 审中-公开
    集群交换架构

    公开(公告)号:US20080247394A1

    公开(公告)日:2008-10-09

    申请号:US11905054

    申请日:2007-09-27

    IPC分类号: H04L12/56

    摘要: A network switch including at least one data port interface supporting a plurality of data ports, at least one stack link interface configured to transmit data between the network switch and other network switches, and a CPU interface configured to communicate with a CPU. A memory management unit in communication with the at least one data port interface and the at least one stack link interface is provided along with a memory interface in communication with the at least one data port interface and the at least one stack link interface, wherein the memory interface is configured to communicate with a memory. A communication channel is provided for communicating data and messaging information between the at least one data port interface, the at least one stack link interface, the memory interface, and the memory management unit, wherein the memory management unit is configured to route data received from each of the at least one data port interface and the at least one stack link interface to the memory interface.

    摘要翻译: 一种网络交换机,包括支持多个数据端口的至少一个数据端口接口,配置成在网络交换机和其他网络交换机之间传输数据的至少一个堆叠链路接口,以及被配置为与CPU通信的CPU接口。 与所述至少一个数据端口接口和所述至少一个堆叠链路接口通信的存储器管理单元与与所述至少一个数据端口接口和所述至少一个堆叠链路接口通信的存储器接口一起提供,其中, 存储器接口被配置为与存储器通信。 提供通信信道,用于在所述至少一个数据端口接口,所述至少一个堆叠链路接口,所述存储器接口和所述存储器管理单元之间传送数据和消息传递信息,其中所述存储器管理单元被配置为路由从 所述至少一个数据端口接口和所述至少一个堆叠链路中的每一个到所述存储器接口。

    Method for managing congestion in a network switch
    35.
    发明授权
    Method for managing congestion in a network switch 失效
    管理网络交换机拥塞的方法

    公开(公告)号:US07197044B1

    公开(公告)日:2007-03-27

    申请号:US09528000

    申请日:2000-03-17

    IPC分类号: H04L12/28

    摘要: A method for managing congestion in a stack of network switches includes the steps of receiving an incoming packet on a first port of a network switch for transmission to a destination port and determining if the destination port of the packet is a monitored port. Thereafter, the method determines a queue status of the destination port, if the destination port is determined to be a monitored port, and preschedules transmission of the incoming packet to the destination port if the destination port is determined to be a monitored port.

    摘要翻译: 一种用于管理网络交换机堆叠中的拥塞的方法包括以下步骤:在网络交换机的第一端口上接收输入分组,以传输到目的端口,并确定分组的目的端口是否为被监控端口。 此后,如果目的地端口被确定为被监视的端口,则该方法确定目的地端口的队列状态,并且如果目的地端口被确定为被监视的端口,则预先将传入的分组传输到目的地端口。

    Switch assembly having multiple blades in a chassis
    39.
    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

    IPC分类号: H04L12/56 H04L12/28 H04J3/24

    摘要: 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.

    摘要翻译: 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。

    Frame forwarding in a switch fabric
    40.
    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

    IPC分类号: H04L12/54

    摘要: 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.

    摘要翻译: 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。