公开(公告)号：US10411996B2

公开(公告)日：2019-09-10

申请号：US15661927

申请日：2017-07-27

Applicant: Cisco Technology, Inc.

Inventor： Ayas Pani ,  Sanchay Harneja

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

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：US10348564B2

公开(公告)日：2019-07-09

申请号：US15663623

申请日：2017-07-28

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：US20190081852A1

公开(公告)日：2019-03-14

申请号：US15702716

申请日：2017-09-12

Applicant: Cisco Technology, Inc.

Inventor： Shadab Nazar ,  Azeem Suleman ,  Ayas Pani

IPC: H04L12/24

Abstract: Systems, methods, and computer-readable media for clustering events occurring in a network environment for providing network assurance. In one embodiment, a system can identify event states of network events defined by values of parameters of a network environment. The system can determine a confidence score that at least one of the values of parameters is associated with a specific event state using the network events and the identified event states of the network events. The confidence score can be presented to a user for purposes of providing network assurance for the network environment.

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：US11115300B2

公开(公告)日：2021-09-07

申请号：US16813358

申请日：2020-03-09

Applicant: Cisco Technology, Inc.

Inventor： Shadab Nazar ,  Pavan Mamillapalli ,  Azeem Suleman ,  Jagdev singh Tur ,  Ayas Pani

IPC: G06F15/173 ,  H04L12/26 ,  H04L12/24

Abstract: Systems, methods, and computer-readable media for detecting and reporting anomalies in a network environment for providing network assurance. In some embodiments, a system can determine confidence scores for at least one value of parameters of a network environment defining network events occurring in the network environment. The confidences scores can indicate a frequency that the defined network events have a specific event state. The confidence scores can be monitored to detect an anomaly in the network environment. In response to detecting the anomaly in the network environment, the system can determine a relevant network state of the network environment. The relevant network state of the network environment and the anomaly in the network environment can be presented to a user.

公开(公告)号：US10587484B2

公开(公告)日：2020-03-10

申请号：US15702374

申请日：2017-09-12

Applicant: Cisco Technology, Inc.

Inventor： Shadab Nazar ,  Pavan Mamillapalli ,  Azeem Suleman ,  Jagdev singh Tur ,  Ayas Pani

IPC: G06F15/173 ,  H04L12/26 ,  H04L12/24

Abstract: Systems, methods, and computer-readable media for detecting and reporting anomalies in a network environment for providing network assurance. In some embodiments, a system can determine confidence scores for at least one value of parameters of a network environment defining network events occurring in the network environment. The confidences scores can indicate a frequency that the defined network events have a specific event state. The confidence scores can be monitored to detect an anomaly in the network environment. In response to detecting the anomaly in the network environment, the system can determine a relevant network state of the network environment. The relevant network state of the network environment and the anomaly in the network environment can be presented to a user.

公开(公告)号：US20200014597A1

公开(公告)日：2020-01-09

申请号：US16575723

申请日：2019-09-19

Applicant: Cisco Technology, Inc.

Inventor： Sanchay Harneja ,  Ayas Pani

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：US20190334773A1

公开(公告)日：2019-10-31

申请号：US16505423

申请日：2019-07-08

Applicant: Cisco Technology, Inc.

Inventor： Sanchay Harneja ,  Ayas Pani

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

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：US20180367401A1

公开(公告)日：2018-12-20

申请号：US15663587

申请日：2017-07-28

Applicant: Cisco Technology, Inc.

Inventor： Sanchay Harneja ,  Ayas Pani

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