公开(公告)号：US20250007742A1

公开(公告)日：2025-01-02

申请号：US18345382

申请日：2023-06-30

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： Anil Raj ,  Tathagata Nandy ,  Subramanian Muthukumar ,  Srijith Ponnappan

IPC: H04L12/18

Abstract: A process includes receiving, at a downstream interface of a high availability pair of network devices, a join request. The availability pair of network devices includes a first network device and a second network device. The join request represents a request by a client device to join a multicast group associated with a source address and a multicast group address. The process includes, responsive to the join request, exporting, by the first network device, first static multicast route information from a second interface of the first network device. The first static multicast route information corresponds to a routing of multicast traffic associated with the multicast group through the first network device. The process further includes, responsive to the join message, controlling, by the second network device, exporting of second static multicast route information from the second network device to prevent duplicate multicast traffic associated with the multicast group from being sent by the high availability pair. The second static multicast route information corresponds to a routing of the multicast traffic associated with the multicast group through the second network device.

公开(公告)号：US20200036617A1

公开(公告)日：2020-01-30

申请号：US16049698

申请日：2018-07-30

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Anil Raj ,  Anoop Govindan Nair ,  Srijith Ponnappan

IPC: H04L12/26 ,  H04L29/06 ,  H04L12/701 ,  H04L12/24

Abstract: Examples disclosed herein relate to black hole filtering. In an example, a dynamic routing protocol on a network device may determine whether a route learned by the dynamic routing protocol is a black hole route. In an example, the route may be learned through another source. In response to a determination that the route learned by the dynamic routing protocol is the black hole route, the dynamic routing protocol may generate a routing update that indicates the route as the black hole route. The dynamic routing protocol may then advertise the routing update to each neighbor network device.

公开(公告)号：US10887216B2

公开(公告)日：2021-01-05

申请号：US16273487

申请日：2019-02-12

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： Anil Raj ,  Srijith Ponnappan ,  Sasikumar Balasubramanian

IPC: H04L12/751 ,  H04L12/707 ,  H04L12/715 ,  H04L12/721

Abstract: Examples disclosed herein relate to management of default route advertisement by an Area Border Router in an OSPF network. In an example, an ABR in an OSPF network may determine whether a pre-condition for the ABR to advertise a default route to a stub area is met. In response to a determination that the pre-condition for the ABR to advertise the default route to the stub area is met, the ABR may advertise the default route to an adjacent router in the stub area.

公开(公告)号：US10735252B2

公开(公告)日：2020-08-04

申请号：US16047341

申请日：2018-07-27

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： Anil Raj ,  Anoop Govindan Nair ,  Srijith Ponnappan

IPC: H04L12/24 ,  H04L12/721 ,  H04L12/741

Abstract: In some examples, a first router establishes a fault detection session between the first router connected to a routing area and an outside router assigned a forwarding address, the outside router located outside the routing area, and the forwarding address used by a second router of the routing area to send a data packet to the outside router. The first router detects, in the fault detection session, a fault associated with the outside router, and in response to detecting the fault associated with the outside router in the fault detection session, provides an indication to the routing area that the forwarding address is no longer accessible.

公开(公告)号：US11425016B2

公开(公告)日：2022-08-23

申请号：US16049698

申请日：2018-07-30

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Anil Raj ,  Anoop Govindan Nair ,  Srijith Ponnappan

IPC: H04L43/10 ,  H04L41/06 ,  H04L45/00 ,  H04L9/40

Abstract: A system related to black hole filtering is provided. The system can allow a dynamic routing protocol on a network device to determine whether a route learned by the dynamic routing protocol is a black hole route. The route may be learned through another source. In response to a determination that the route is the black hole route, the dynamic routing protocol may generate a routing update that indicates the route as the black hole route. The dynamic routing protocol may then advertise the routing update to each neighbor network device.

公开(公告)号：US20200259733A1

公开(公告)日：2020-08-13

申请号：US16273487

申请日：2019-02-12

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： Anil Raj ,  Srijith Ponnappan ,  Sasikumar Balasubramanian

IPC: H04L12/751 ,  H04L12/721 ,  H04L12/715 ,  H04L12/707

Abstract: Examples disclosed herein relate to management of default route advertisement by an Area Border Router in an OSPF network. In an example, an ABR in an OSPF network may determine whether a pre-condition for the ABR to advertise a default route to a stub area is met. In response to a determination that the pre-condition for the ABR to advertise the default route to the stub area is met, the ABR may advertise the default route to an adjacent router in the stub area.

公开(公告)号：US20200186383A1

公开(公告)日：2020-06-11

申请号：US16213448

申请日：2018-12-07

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： Celestian K. Sebastian ,  Anil Raj ,  Srijith Ponnappan ,  Anil Thomas

IPC: H04L12/28 ,  H04L29/08

Abstract: According to one aspect of the disclosure, a computing system including at least one networking device with at least one processor and memory. The at least one processor executes instructions stored in the memory to collect data from one or more Internet of Things (IoT) devices via a first communication protocol and provide access to the collected data by one or more user devices via a second and different communication protocol. Further, the one or more IoT devices are communicatively coupled to the at least one networking device to sense the data and transmit the data to the at least one networking device, and the one or more user devices are communicatively coupled to the at least one networking device.

公开(公告)号：US20200036580A1

公开(公告)日：2020-01-30

申请号：US16047341

申请日：2018-07-27

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： Anil Raj ,  Anoop Govindan Nair ,  Srijith Ponnappan

IPC: H04L12/24 ,  H04L12/741 ,  H04L12/721

Abstract: In some examples, a first router establishes a fault detection session between the first router connected to a routing area and an outside router assigned a forwarding address, the outside router located outside the routing area, and the forwarding address used by a second router of the routing area to send a data packet to the outside router. The first router detects, in the fault detection session, a fault associated with the outside router, and in response to detecting the fault associated with the outside router in the fault detection session, provides an indication to the routing area that the forwarding address is no longer accessible.