Method for verifying function of redundant standby packet...

Details Method for verifying function of redundant standby packet... Method for verifying function of redundant standby packet...

H - Electricity

04

L

H04L 12/26 (2006.01) H04L 12/24 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2507941

A technique for verifying an intermediate node that employs a forwarding plane (572a, 572b) and optionally a control plane (592a, 592b). A test packet is generated and transferred to the for~warding plane (572a, 572b). Using operational software and hardware, the forwarding plane (572a, 572b) for~wards the test packet to a line card (512a, 512b), which in turn "loops" (700a, 700b, 700c) the test packet back to the forwarding-plane (572a, 572b). Using operational software and hardware, the forwarding plane (572a, 572b) pro~cesses the looped-back test packet including forwarding the packet to a destination, such as a control plane (592a, 592b), where the looped-back test packet is verified.

L'invention concerne une technique permettant de vérifier qu'un noeud intermédiaire emploie un plan d'acheminement et éventuellement un plan de commande. Un paquet d'essai est généré et transféré au plan d'acheminement. Au moyen d'éléments matériel et logiciel fonctionnels, le plan d'acheminement achemine le paquet d'essai vers une carte de ligne, qui à son tour renvoie en boucle le paquet d'essai au plan d'acheminement. Au moyen d'éléments matériel et logiciel fonctionnels, le plan d'acheminement traite le paquet d'essai renvoyé en boucle et achemine le paquet vers une destination, de type plan de commande, où le paquet d'essai renvoyé en boucle est vérifié.

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