公开(公告)号：US20190104104A1

公开(公告)日：2019-04-04

申请号：US15719749

申请日：2017-09-29

申请人： Cisco Technology, Inc.

发明人： Shyam N. Kapadia ,  Padmanabhan Krishnan ,  Naoshad Mehta ,  Rajesh B. Nataraja ,  Nilesh Shah

IPC分类号： H04L29/12

摘要： A source host device masks the hardware address of a hosted container from a network device to mitigate the use of resources in the network device. A virtual switch on the source host receives a frame from a hosted container. The frame includes a source hardware address of the hardware address corresponding to the hosted container. The frame also includes a source network address of the network address corresponding to the hosted container. The virtual switch replaces the source hardware address of the frame with the hardware address associated with the source host, and send the frame to the network device. The frame sent to the network device includes the host hardware address as the source hardware address and the container network address as the source network address.

公开(公告)号：US20180349033A1

公开(公告)日：2018-12-06

申请号：US15614743

申请日：2017-06-06

申请人： Cisco Technology, Inc.

发明人： Shyam Kapadia ,  Viral Barot ,  Abhinandan Prativadi Bayankaram ,  Naoshad Mehta ,  Nilesh Shah

IPC分类号： G06F3/06 ,  H04L12/58

摘要： A network device is configured to establish a messaging bus with a container networking plug-in, which is associated with a container virtual network. The network device is also configured to obtain, via the messaging bus, networking information for one or more containers hosted at the at least one container-hosting computing device. Based on the networking information, the network device provides visibility of one or more containers below the network device.

公开(公告)号：US20180041363A1

公开(公告)日：2018-02-08

申请号：US15228899

申请日：2016-08-04

申请人： CISCO TECHNOLOGY, INC.

发明人： Victor Manuel Moreno ,  Padmanabhan Krishnan ,  Nilesh Shah ,  Suvil Singh Deora ,  Shyam Kapadia

IPC分类号： H04L12/46 ,  H04L29/08

CPC分类号： H04L12/4641 ,  H04L12/4633 ,  H04L12/66 ,  H04L41/022 ,  H04L41/0226 ,  H04L67/02 ,  H04L67/10 ,  H04L2212/00

摘要： In one embodiment a method includes receiving a first message including information regarding a first host connected to a first tunnel endpoint in a first network domain, the received information being encoded in accordance with a control plane protocol of the first network domain; translating the received first message in accordance with an API and/or a database schema of a second network domain; and transmitting the translated first message to the second network domain. The method further includes receiving a second message comprising information regarding a second host connected to a second tunnel endpoint in the second network domain, the received information being encoded in accordance with the API and/or the database schema of the second network domain; translating the second received message in accordance with the control plane protocol of the first network domain; and transmitting the translated second message to the first network domain.

公开(公告)号：US09537793B2

公开(公告)日：2017-01-03

申请号：US13648394

申请日：2012-10-10

申请人： Cisco Technology, Inc.

发明人： Shyam Kapadia ,  Nilesh Shah ,  Bhushan Kanekar

IPC分类号： H04L12/56 ,  H04L12/933 ,  H04L12/775 ,  H04L12/947 ,  H04L12/747 ,  H04L12/741

CPC分类号： H04L49/10 ,  H04L45/58 ,  H04L45/742 ,  H04L45/745 ,  H04L49/25

摘要： Techniques are provided for updating routing tables of switch devices. At a first switch device of a first rack unit in a network, information is received about addresses of host devices in the network. The addresses are stored in a software cache. A packet is received from a first host device assigned to a first subnet and housed in the first rack unit. The packet is destined for a second host device assigned to a second subnet and housed in a second rack unit in the network. The packet is forwarded using the subnet entry and it may remain sub-optimal during a period before which an entry can be installed form a software cache. The software cache is evaluated to determine the address of the second host device. The packet is then forwarded optimally. This will ensure any-to-any communications in the network initially sub-optimally and subsequently optimally.

摘要翻译： 提供了更新交换机设备路由表的技术。 在网络中的第一机架单元的第一交换设备处，接收关于网络中的主机设备的地址的信息。 地址存储在软件缓存中。 从分配给第一子网并被容纳在第一机架单元中的第一主机装置接收分组。 分组目的地是分配给第二子网并被容纳在网络中的第二机架单元中的第二主机设备。 使用子网条目转发数据包，并且可以在可以从软件高速缓存安装条目的时间段内保持次优。 评估软件高速缓存以确定第二主机设备的地址。 数据包然后被最佳地转发。 这将确保网络中的任何对任何通信最初都处于最佳和最佳状态。

公开(公告)号：US20160028656A1

公开(公告)日：2016-01-28

申请号：US14877026

申请日：2015-10-07

申请人： Cisco Technology, Inc.

发明人： Pei-Chun Cheng ,  Shyam Kapadia ,  Nilesh Shah ,  Vipin Jain

IPC分类号： H04L12/931 ,  H04L12/46 ,  H04L12/24

CPC分类号： H04L49/354 ,  G06F9/455 ,  H04L12/4641 ,  H04L41/0806 ,  H04L49/70

摘要： Techniques are provided for provisioning network resources for virtual machines. At a first switch device, a configuration request message is received from a virtual switch to provision virtual network segmentation resources for a virtual machine managed by the virtual switch. The first switch device provisions the virtual network segmentation resources for the virtual machine. The first switch devices sends to a second switch device a first synchronization message that includes information describing the virtual network segmentation resources. The second switch device is a peer of the first switch device. The first switch device also sends to the second switch device a second synchronization message that includes state information indicating that the first switch device is in an active state for servicing the virtual machine and that the second switch device is to be placed in a dormant state for servicing the virtual machine.

公开(公告)号：US20150103692A1

公开(公告)日：2015-04-16

申请号：US14053988

申请日：2013-10-15

申请人： CISCO TECHNOLOGY, INC.

发明人： Vipin Jain ,  Dhananjaya Rao ,  Palathingal Frank ,  Shyam Kapadia ,  Nilesh Shah

IPC分类号： H04L12/24

CPC分类号： H04L41/0806 ,  H04L41/0816

摘要： Presented herein are techniques to handle data packets received at a top-of-rack (ToR) switch in an underlay network hosting one or more tenant networks. The underlay network may comprise a plurality of ToR switches each connected to each of a plurality of spine switches. The data packet may be received from a virtual machine in a tenant network, and have a header with a data packet identifier. A mobility domain identifier may be determined that corresponds to the network portion within which the virtual machine can be migrated. The mobility domain may be configured on the ToR switch on a per-port basis based on the virtual machine connected to the ToR switch port. A unique identifier may be formed based on the data packet identifier and mobility domain identifier. Using this unique identifier, provisioning information may be obtained for the tenant network on the ToR switch.

摘要翻译： 这里提出的是处理在托管一个或多个租户网络的底层网络中的机架顶部（ToR）交换机处接收的数据分组的技术。 底层网络可以包括多个ToR开关，每个ToR开关连接到多个脊柱开关中的每一个。 可以从租户网络中的虚拟机接收数据分组，并具有具有数据分组标识符的报头。 可以确定对应于可以迁移虚拟机的网络部分的移动性域标识符。 基于连接到ToR交换机端口的虚拟机，每个端口可以在ToR交换机上配置移动性域。 可以基于数据分组标识符和移动性域标识符形成唯一标识符。 使用该唯一标识符，可以为ToR交换机上的租户网络获取供应信息。

公开(公告)号：US20150043581A1

公开(公告)日：2015-02-12

申请号：US13959996

申请日：2013-08-06

申请人： Cisco Technology, Inc.

发明人： Dileep K. Devireddy ,  Shyam Kapadia ,  Nilesh Shah

IPC分类号： H04L12/713 ,  H04L12/741

CPC分类号： H04L45/745 ,  H04L45/586 ,  H04L45/74 ,  H04L49/70 ,  H04L61/103 ,  H04L61/2596 ,  H04L61/6009 ,  H04L61/6022 ,  H04L67/10 ,  H04L69/22

摘要： At a physical device in a network configured to host a virtual switch and one or more virtual machines, a packet is received at the virtual switch from a source virtual machine that is directly attached to that virtual switch. A destination Media Access Control (MAC) address is identified from the packet indicating a destination virtual machine for the packet. In response to determining that the destination MAC address of the packet is not present in a database of MAC addresses accessible by the virtual switch, the destination MAC address of the packet is replaced with a shared MAC address associated with a plurality of physical switches in the network.

摘要翻译： 在配置为托管虚拟交换机和一个或多个虚拟机的网络中的物理设备处，在虚拟交换机处从直接连接到该虚拟交换机的源虚拟机接收到分组。 从指示分组的目的地虚拟机的分组中识别目的地媒体访问控制（MAC）地址。 响应于确定分组的目的地MAC地址不存在于由虚拟交换机可访问的MAC地址的数据库中，分组的目的MAC地址被替换为与多个物理交换机相关联的共享MAC地址 网络。

公开(公告)号：US20140250220A1

公开(公告)日：2014-09-04

申请号：US13781911

申请日：2013-03-01

申请人： CISCO TECHNOLOGY, INC.

发明人： Shyam Kapadia ,  Ming Zhang ,  Chengelpet V. Ramesh ,  Nilesh Shah

IPC分类号： G06F9/50

CPC分类号： G06F9/5077 ,  G06F9/45558 ,  G06F2009/4557 ,  H04L12/4625 ,  H04L61/103 ,  H04L61/2015 ,  H04L61/2084

摘要： Techniques are provided for sending address information of virtual machines to a physical switch. A migration of a virtual machine to a physical server is detected. The physical server obtains address information of the virtual machine, and upon obtaining the address information of the virtual machine, the physical server sends the address information to a first physical switch that is connected to the physical server.

摘要翻译： 提供了用于将虚拟机的地址信息发送到物理交换机的技术。 检测到虚拟机到物理服务器的迁移。 物理服务器获取虚拟机的地址信息，并且在获得虚拟机的地址信息后，物理服务器将地址信息发送到连接到物理服务器的第一物理交换机。

公开(公告)号：US11381543B2

公开(公告)日：2022-07-05

申请号：US17192550

申请日：2021-03-04

申请人： Cisco Technology, Inc.

发明人： Shyam N. Kapadia ,  Padmanabhan Krishnan ,  Naoshad Mehta ,  Rajesh B. Nataraja ,  Nilesh Shah

IPC分类号： H04L61/5007 ,  H04L61/5046 ,  H04L101/622 ,  H04L61/103 ,  H04L61/58

摘要： A source host device masks the hardware address of a hosted container from a network device to mitigate the use of resources in the network device. A virtual switch on the source host receives a frame from a hosted container. The frame includes a source hardware address of the hardware address corresponding to the hosted container. The frame also includes a source network address of the network address corresponding to the hosted container. The virtual switch replaces the source hardware address of the frame with the hardware address associated with the source host, and send the frame to the network device. The frame sent to the network device includes the host hardware address as the source hardware address and the container network address as the source network address.

公开(公告)号：US20220116271A1

公开(公告)日：2022-04-14

申请号：US17349016

申请日：2021-06-16

申请人： Cisco Technology, Inc.

发明人： Vipin Jain ,  Suran Saminda de Silva ,  Shyam Kapadia ,  Nilesh Shah

IPC分类号： H04L41/0806 ,  H04L49/15 ,  H04L41/084

摘要： A method is provided in one example embodiment and includes creating a segment organization, which includes a configuration profile. The method also includes attaching the configuration profile to a server in the segment organization. The method further includes sending the attached configuration profile to a database in a physical network.