公开(公告)号：US20180367400A1

公开(公告)日：2018-12-20

申请号：US15662496

申请日：2017-07-28

Applicant: Cisco Technology, Inc.

Inventor： Ayas Pani ,  Sanchay Harneja ,  Manali Holankar

IPC: H04L12/24 ,  H04L12/26

CPC classification number: H04L41/0873 ,  H04L41/0686 ,  H04L41/22 ,  H04L43/065

Abstract: Systems, methods, and computer-readable media are disclosed for validating endpoint information for nodes in a network. A network assurance appliance is configured to retrieve, from a first leaf node in a network, first endpoint information for a first set of endpoints connected to the first leaf node, wherein the first set of endpoints includes a virtual port channel (VPC) endpoint. The network assurance appliance retrieves second endpoint information from a second node in the network, compares the first endpoint information with the second endpoint information, and identifies an inconsistency when the first endpoint information and the second endpoint information do not match.

公开(公告)号：US20180367398A1

公开(公告)日：2018-12-20

申请号：US15662448

申请日：2017-07-28

Applicant: Cisco Technology, Inc.

Inventor： Ayas Pani ,  Sanchay Harneja ,  Manali Holankar

IPC: H04L12/24 ,  H04L12/26

Abstract: Systems, methods, and computer-readable media are disclosed for validating endpoint information for nodes in a network. A network assurance appliance is configured to retrieve an actual tunnel endpoint address for an endpoint in communication with a network fabric via a leaf node in the network fabric, identify a reference tunnel endpoint address for the endpoint, and determine that there is an inconsistency based on a comparison of the actual tunnel endpoint address with the reference tunnel endpoint address.

公开(公告)号：US11343150B2

公开(公告)日：2022-05-24

申请号：US15663612

申请日：2017-07-28

Applicant: Cisco Technology, Inc.

Inventor： Sanchay Harneja ,  Sanjay Sundaresan

IPC: H04L41/0873 ,  H04L41/12 ,  H04L43/0823 ,  H04L41/14

Abstract: Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations.

公开(公告)号：US11303520B2

公开(公告)日：2022-04-12

申请号：US16788616

申请日：2020-02-12

Applicant: Cisco Technology, Inc.

Inventor： Sanchay Harneja ,  Ramadoss Venkatesan ,  Vikram Subramanya

IPC: H04L12/24 ,  G06F11/22 ,  H04L41/0866 ,  H04L41/06 ,  H04L41/14 ,  H04L41/12 ,  H04L41/0893 ,  H04L41/0873

Abstract: Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations.

公开(公告)号：US11102111B2

公开(公告)日：2021-08-24

申请号：US16565084

申请日：2019-09-09

Applicant: Cisco Technology, Inc.

Inventor： Ayas Pani ,  Sanchay Harneja

IPC: H04L12/753 ,  H04L12/24 ,  H04L12/751 ,  H04L12/745 ,  H04L12/26 ,  H04L12/713 ,  H04L12/947 ,  H04L12/931

Abstract: Systems, methods, and computer-readable media for validating routing table information in a network. A network assurance appliance may be configured to retrieve routing table information from a plurality of nodes in a network fabric. The routing table information includes path information from at least one source node to at least one destination node. A graph representation of the routing table information is constructed with the at least one destination node as a sink vertex for the graph representation. The network assurance appliance determines, for each leaf node in the network fabric, whether the leaf node can reach the sink vertex based on the graph representation and determines that there is a misconfiguration of the network fabric based on whether each leaf node in the fabric can reach the sink vertex.

公开(公告)号：US10972352B2

公开(公告)日：2021-04-06

申请号：US16505423

申请日：2019-07-08

Applicant: Cisco Technology, Inc.

Inventor： Sanchay Harneja ,  Ayas Pani

IPC: H04L12/24 ,  G06F11/22 ,  G06F16/25 ,  G06F16/23

Abstract: Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations.

公开(公告)号：US20210021470A1

公开(公告)日：2021-01-21

申请号：US17033393

申请日：2020-09-25

Applicant: Cisco Technology, Inc.

Inventor： Sanchay Harneja ,  Sanjay Sundaresan

IPC: H04L12/24

Abstract: Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations.

公开(公告)号：US10862752B2

公开(公告)日：2020-12-08

申请号：US16575723

申请日：2019-09-19

Applicant: Cisco Technology, Inc.

Inventor： Sanchay Harneja ,  Ayas Pani

IPC: G06F15/16 ,  H04L12/24

Abstract: Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations.

公开(公告)号：US20200313968A1

公开(公告)日：2020-10-01

申请号：US16902465

申请日：2020-06-16

Applicant: Cisco Technology, Inc.

Inventor： Ayas Pani ,  Sanchay Harneja ,  Manali Holankar

IPC: H04L12/24 ,  H04L12/26

Abstract: Systems, methods, and computer-readable media are disclosed for validating endpoint information for nodes in a network. A network assurance appliance is configured to retrieve an actual tunnel endpoint address for an endpoint in communication with a network fabric via a leaf node in the network fabric, identify a reference tunnel endpoint address for the endpoint, and determine that there is an inconsistency based on a comparison of the actual tunnel endpoint address with the reference tunnel endpoint address.

公开(公告)号：US20200177483A1

公开(公告)日：2020-06-04

申请号：US16786294

申请日：2020-02-10

Applicant: Cisco Technology, Inc.

Inventor： Ayas Pani ,  Sanchay Harneja ,  Manali Holankar ,  Vikram Subramanya

IPC: H04L12/26 ,  H04L12/24

Abstract: Systems, methods, and computer-readable media are disclosed for validating endpoint information for nodes in a network. A network assurance appliance is configured to retrieve a configured static endpoint information in a logical model of a network from a network controller and connected static endpoint information from one or more nodes in the network. The network assurance appliance determines that there is an inconsistency based on a comparison of the configured static endpoint information and the connected static endpoint information and generating an event specifying the inconsistency.