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Применить Всего найдено 6. Отображено 6.
14-03-2013 дата публикации

Virtual chassis system control protocols

Номер: US20130064102A1
Автор: Amy Chung-Hua Chang, Anand Vinayagam, Ignatius D. SANTOSO, Nalinakshan Kunnath, Roberto H. Jacob Da Silva
Принадлежит: Alcatel Lucent USA Inc

A virtual chassis system includes a plurality of network nodes configured with a master virtual chassis address. The network nodes are connected by virtual fabric link (VFLs) that provide a connection for exchange of data packets between the network nodes. The data packets include source MAC addresses and associated hardware device information, such as source chassis ID, source network interface identifier and source port identifier information. The network nodes use this information to maintain synchronized MAC address tables for forwarding of data packets in the virtual chassis system. One or more control protocols in the network node are used for topology discovery, master network node election, generation of routing tables, health monitoring and other functions.

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Номер записи: 1
14-03-2013 дата публикации

SYSTEM AND METHOD FOR A PASS THRU MODE IN A VIRTUAL CHASSIS SYSTEM

Номер: US20130064137A1
Автор: Jacob Da Silva Roberto H., Kunnath Nalinakshan, Santoso Ignatius D.
Принадлежит:

A virtual chassis system includes a plurality of network nodes connected by virtual fabric link (VFLs) that provide a connection for exchange of packets between the network nodes. A network node in the virtual chassis system is operable in a pass thru mode. In pass thru mode, the network node receives packets over a VFL and transparently forwards the packet over another VFL to another network node in the virtual chassis system. However, the network node disables other port interfaces, such as port interfaces connected to external nodes from the virtual chassis system. The network node in pass thru mode is operable to receive management commands over one or more VFLs and can still be managed through management commands. 1. A network node operable in a virtual chassis system , comprising: receive data packets from one or more external nodes through one or more external port interfaces;', 'modify the data packets to generate packets with prepended headers, wherein the prepended headers include destination chassis identifiers; and', 'transmit the packets with prepended headers to one or more of a plurality of network nodes in the virtual chassis system over one or more virtual fabric links (VFL), wherein the plurality of network nodes are operably coupled by the plurality of VFLs;, 'one or more network interface modules operable to receive a pass thru command, wherein the pass thru command includes a pass thru chassis identifier;', 'configure the network node to a pass thru mode in response to the pass thru command, wherein a first chassis identifier of the network node is reconfigured to the pass thru chassis identifier;', 'disable the one or more external port interfaces from receiving data packets from the one or more external nodes; and', 'enable at least two or more of the plurality of VFLs coupled to the network node for transmission of packets with prepended headers., 'at least one management module operable to2. The network node of claim 1 , wherein the one or ...

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Номер записи: 2
28-03-2013 дата публикации

SYSTEM AND METHOD FOR A VIRTUAL CHASSIS SYSTEM

Номер: US20130077621A1
Автор: Bates Stephen R., Bhattacharya Surajit, Chang Chung-Hua, Hanka Stephen C., Jacob Da Silva Roberto H., Kunnath Nalinakshan, Larsen Steve, Page Gregory G., Ravenscroft Christopher Francis, Santoso Ignatius D., Tolliver Eric W., Vinayagam Anand, Wu Shaofu
Принадлежит:

A virtual chassis system includes a plurality of network nodes configured with a master virtual chassis address. The network nodes are connected by virtual fabric link (VFLs) that provide a connection for exchange of packets between the network nodes. The packets include source MAC addresses and associated hardware device information, such as source chassis ID, source network interface identifier and source port identifier information. The network nodes use this information to maintain synchronized MAC address tables for forwarding of packets in the virtual chassis system. 1. A network node in a virtual chassis system , comprising:a plurality of virtual fabric links (VFLs) operably coupled between the network node and a plurality of other network nodes in the virtual chassis system; store one or more address tables that include destination addresses associated with hardware device information of the plurality of other network nodes in the virtual chassis system;', 'receive an incoming packet on an external port interface, wherein the packet includes a first destination address;', 'determine from the one or more address tables destination hardware device information of one of the plurality of other network nodes in the virtual chassis system associated with the first destination address;', 'generate a packet with pre-pended header from the incoming packet, wherein the pre-pended header includes the destination hardware device information of the one of the plurality of other network nodes in the virtual chassis system; and', 'transmit the packet with pre-pended header over one of the plurality of virtual fabric links to the one of the plurality of other network nodes in the virtual chassis system., 'at least a first network interface module operable to2. The network node of claim 1 , wherein the at least first network interface module is operable to determine from the one or more address tables claim 1 , destination hardware device information includes:accessing a ...

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Номер записи: 3
03-07-2014 дата публикации

System and method for a pass thru mode in a virtual chassis system

Номер: WO2014074541A3
Автор: Ignatius D. SANTOSO, Nalinakshan Kunnath, Roberto H. Jacob Da Silva
Принадлежит: ALCATEL LUCENT

A virtual chassis system includes a plurality of network nodes connected by virtual fabric link (VFLs) that provide a connection for exchange of packets between the network nodes. A network node in the virtual chassis system is operable in a pass thru mode. In pass thru mode, the network node receives packets over a VFL and transparently forwards the packet over another VFL to another network node in the virtual chassis system. However, the network node 110 disables other port interfaces, such as port interfaces connected to external nodes from the virtual chassis system. The network node 110 in pass thru mode is operable to receive management commands over one or more VFLs and can still be managed through management commands.

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Номер записи: 4
23-02-2021 дата публикации

Protocolos de control de sistema de chasis virtual

Номер: ES2807507T3
Автор: Anand Vinayagam, Chang Chung-Hua, De Silva Roberto H Jacob, Ignatius Santoso, Nalinakshan Kunnath
Принадлежит: Alcatel Lucent SAS

Un nodo de red (110a-110f) adaptado para ser parte de un sistema de chasis virtual (100) que tiene una pluralidad de nodos de red dispuestos de modo que la pluralidad de nodos es vista como un único nodo por nodos de red externos (112a, 112b) fuera del sistema de chasis virtual y en donde la gestión de la pluralidad de nodos es una función de cada nodo, teniendo el nodo de red una dirección de MAC local y en donde el nodo de red: está dispuesto, en una base seleccionada, para ser operable como uno de un nodo maestro y un nodo esclavo en el sistema de chasis virtual (100); está dispuesto para provocar que la dirección de MAC local del nodo de red, cuando se opera como el nodo de red maestro, se adopte como la dirección de MAC maestra para el sistema de chasis virtual (100) por cada uno de la pluralidad de nodos de red (110a-110f), y está dispuesto cuando se opera el nodo de red como un nodo esclavo en el sistema de chasis virtual para adoptar una dirección de MAC diferente de otro nodo de red diferente del sistema de chasis virtual como la dirección de MAC para el nodo de red, comprendiendo el nodo de red: a) al menos un módulo de interfaz de red, NIM, (152a) que tiene un módulo de conmutación (210a-210n) que proporciona interconexión a: una pluralidad de puertos de enlace de tejido virtuales (252) proporcionando cada uno acceso a uno diferente de los enlaces de tejido virtual, VFL, (120) que acoplan operativamente el nodo de red (110) a una pluralidad de otros nodos de red en el sistema de chasis virtual; y al menos un puerto externo (240) dispuesto para conectar el nodo de red (110) con un nodo (112) externo al sistema de chasis virtual a través de al menos uno de (i) un grupo de agregado de enlace, LAG, (116) y (ii) un grupo de agregado de enlace de chasis virtual, VC-LAG, (114) y en donde el LAG y/o el VC-LAG comprenden una pluralidad de enlaces dispuestos para comunicar información de control y de direccionamiento como VFL; en donde dicho al menos un NIM (152a) ...

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Номер записи: 5
16-09-2015 дата публикации

Virtual chassis system control protocols

Номер: EP2918049A1
Автор: Anand Vinayagam, Chang Chung-Hua, Ignatius D. SANTOSO, Nalinakshan Kunnath, Roberto H. JACOB DE SILVA
Принадлежит: Alcatel Lucent SAS

A virtual chassis system includes a plurality of network nodes configured with a master virtual chassis address. The network nodes are connected by virtual fabric link (VFLs) that provide a connection for exchange of data packets between the network nodes. The data packets include source MAC addresses and associated hardware device information, such as source chassis ID, source network interface identifier and source port identifier information. The network nodes use this information to maintain synchronized MAC address tables for forwarding of data packets in the virtual chassis system. One or more control protocols in the network node are used for topology discovery, master network node election, generation of routing tables, health monitoring and other functions.

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Номер записи: 6