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公开(公告)号：US20220086067A1
公开(公告)日：2022-03-17
申请号：US17537160
申请日：2021-11-29
发明人： Donald B. Grosser , Chun Zhang , Patrick A. Bosa , Markus Nispel
摘要： Systems and methods are disclosed herein for monitoring health of each switch of a plurality of switches on a network by selectively mirroring packets transmitted by each switch of the plurality of switches. In some embodiments, control circuitry generates a plurality of mirroring parameters, each mirroring parameter comprising an instruction to mirror a respective type of packet. The control circuitry transmits the plurality of mirroring parameters to each switch of the plurality of switches on the network, and receives, from a switch, a packet that was mirrored by the switch according to a mirroring parameter of the plurality of mirroring parameters. The control circuitry determines the respective type of the packet, executes an analysis of contents of the packet based on the respective type of the packet, and determines a health of the switch based on results of the analysis.
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公开(公告)号：US10187293B2
公开(公告)日：2019-01-22
申请号：US14861838
申请日：2015-09-22
发明人： Donald B. Grosser , Vanitha Neelamegam , Maruthamuthu Palani , Balasubramanian Ramu , Kannan Selvaraj
IPC分类号： H04L12/28 , H04L12/761 , H04L12/18 , H04L12/46 , H04L12/64
摘要： A switching device supports a mixed mode of operation using both layer 2 and layer 3 multicast forwarding tables for multicast forwarding of packets. In the mixed mode of operation the switching device programs multicast forwarding entries in a corresponding layer 2 or layer 3 table depending on a type of protocol to be used for multicast forwarding. The switching device programs multicast forwarding entries in the layer 3 table for multicast packets forwarded using layer 3 routing protocols, and in the layer 2 table for multicast packets forwarded using layer 2 protocols. The switching device converts layer 3 multicast information to layer 2 multicast information before programming multicast forwarding entries in the corresponding layer 2 table.
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公开(公告)号：US20150071117A1
公开(公告)日：2015-03-12
申请号：US14546688
申请日：2014-11-18
IPC分类号： H04L12/46 , H04L12/24 , H04L29/12 , H04L12/721
CPC分类号： H04L12/4666 , H04L12/2852 , H04L12/4641 , H04L12/465 , H04L12/4654 , H04L12/4658 , H04L12/56 , H04L41/0893 , H04L45/72 , H04L61/6022 , H04L69/22
摘要： Systems, mechanisms, apparatuses, and methods are disclosed for dynamically tagging VLANs. For example, in one embodiment such means include: means for receiving a packet having identified therein a source Media Access Control (MAC) address and a Virtual Local Area Network (VLAN) Identifier, wherein the VLAN identifier corresponds to a VLAN which is non-existent on a network switch; means for modifying the packet received to include two VLAN tags, a first VLAN tag corresponding to the VLAN identifier identified within the packet received and a second VLAN tag, distinct from the first; means for determining no forwarding database entry exists for the modified packet; and means for creating the VLAN on the network switch to handle received packets tagged with the VLAN identifier.
摘要翻译： 公开了用于动态地标记VLAN的系统，机制，装置和方法。 例如，在一个实施例中，这种装置包括：用于接收在其中标识了源媒体访问控制（MAC）地址和虚拟局域网（VLAN）标识符的分组的装置，其中，所述VLAN标识符对应于不是 存在于网络交换机上; 用于修改接收到的包括两个VLAN标签的装置，与接收到的分组中标识的VLAN标识对应的第一VLAN标签和与第一VLAN不同的第二VLAN标签; 用于确定修改的分组不存在转发数据库条目的装置; 以及在网络交换机上创建VLAN以处理接收到的标记有VLAN标识符的报文的方法。
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公开(公告)号：US11190418B2
公开(公告)日：2021-11-30
申请号：US16130649
申请日：2018-09-13
发明人： Donald B. Grosser , Chun Zhang , Patrick A. Bosa , Markus Nispel
摘要： Systems and methods are disclosed herein for monitoring health of each switch of a plurality of switches on a network by selectively mirroring packets transmitted by each switch of the plurality of switches. In some embodiments, control circuitry generates a plurality of mirroring parameters, each mirroring parameter comprising an instruction to mirror a respective type of packet. The control circuitry transmits the plurality of mirroring parameters to each switch of the plurality of switches on the network, and receives, from a switch, a packet that was mirrored by the switch according to a mirroring parameter of the plurality of mirroring parameters. The control circuitry determines the respective type of the packet, executes an analysis of contents of the packet based on the respective type of the packet, and determines a health of the switch based on results of the analysis.
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5.发明申请公开(公告)号：US20190166021A1
公开(公告)日：2019-05-30
申请号：US16130649
申请日：2018-09-13
发明人： Donald B. Grosser , Chun Zhang , Patrick A. Bosa , Markus Nispel
摘要： Systems and methods are disclosed herein for monitoring health of each switch of a plurality of switches on a network by selectively mirroring packets transmitted by each switch of the plurality of switches. In some embodiments, control circuitry generates a plurality of mirroring parameters, each mirroring parameter comprising an instruction to mirror a respective type of packet. The control circuitry transmits the plurality of mirroring parameters to each switch of the plurality of switches on the network, and receives, from a switch, a packet that was mirrored by the switch according to a mirroring parameter of the plurality of mirroring parameters. The control circuitry determines the respective type of the packet, executes an analysis of contents of the packet based on the respective type of the packet, and determines a health of the switch based on results of the analysis.
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公开(公告)号：US20160285647A1
公开(公告)日：2016-09-29
申请号：US15180931
申请日：2016-06-13
CPC分类号： H04L12/4666 , H04L12/2852 , H04L12/4641 , H04L12/465 , H04L12/4654 , H04L12/4658 , H04L12/56 , H04L41/0893 , H04L45/72 , H04L61/6022 , H04L69/22
摘要： Systems, mechanisms, apparatuses, and methods are disclosed for dynamically tagging VLANs. For example, in one embodiment such means include: means for receiving a packet having identified therein a source Media Access Control (MAC) address and a Virtual Local Area Network (VLAN) Identifier, wherein the VLAN identifier corresponds to a VLAN which is non-existent on a network switch; means for modifying the packet received to include two VLAN tags, a first VLAN tag corresponding to the VLAN identifier identified within the packet received and a second VLAN tag, distinct from the first; means for determining no forwarding database entry exists for the modified packet; and means for creating the VLAN on the network switch to handle received packets tagged with the VLAN identifier.
摘要翻译： 公开了用于动态地标记VLAN的系统，机制，装置和方法。 例如，在一个实施例中，这种装置包括：用于接收在其中标识了源媒体访问控制（MAC）地址和虚拟局域网（VLAN）标识符的分组的装置，其中，所述VLAN标识符对应于不是 存在于网络交换机上; 用于修改接收到的包括两个VLAN标签的装置，与接收到的分组中标识的VLAN标识对应的第一VLAN标签和与第一VLAN不同的第二VLAN标签; 用于确定修改的分组不存在转发数据库条目的装置; 以及在网络交换机上创建VLAN以处理接收到的标记有VLAN标识符的报文的方法。
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公开(公告)号：US20160014018A1
公开(公告)日：2016-01-14
申请号：US14861838
申请日：2015-09-22
发明人： Donald B. Grosser , Vanitha Neelamegam , Maruthamuthu Palani , Balasubramanian Ramu , Kannan Selvaraj
IPC分类号： H04L12/761 , H04L12/18 , H04L12/46
CPC分类号： H04L45/16 , H04L12/18 , H04L12/1886 , H04L12/4641 , H04L12/6418
摘要： A switching device supports a mixed mode of operation using both layer 2 and layer 3 multicast forwarding tables for multicast forwarding of packets. In the mixed mode of operation the switching device programs multicast forwarding entries in a corresponding layer 2 or layer 3 table depending on a type of protocol to be used for multicast forwarding. The switching device programs multicast forwarding entries in the layer 3 table for multicast packets forwarded using layer 3 routing protocols, and in the layer 2 table for multicast packets forwarded using layer 2 protocols. The switching device converts layer 3 multicast information to layer 2 multicast information before programming multicast forwarding entries in the corresponding layer 2 table.
摘要翻译： 交换设备支持使用第2层和第3层组播转发表进行组播转发的混合操作模式。 在混合操作模式下，交换设备根据用于组播转发的协议类型，对相应的二层或三层表中的组播转发表项进行编程。 切换设备对第3层表中的组播转发表项进行编程，对于使用第3层路由协议转发的组播报文，并在第2层表中使用第2层协议转发组播报文。 在对应的层2表中编程组播转发表项之前，交换设备将第3层组播信息转换为第2层组播信息。
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