REVERSE PATH FORWARDING LOOKUP WITH LINK BUNDLES

In one embodiment, a method includes receiving a packet at an interface at a network device having a plurality of interfaces connected to a plurality of links forming a bundle, performing a Reverse Path Forwarding (RPF) check on the received packet, and forwarding the packet if it passes the RPF che...

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Bibliographische Detailangaben
Hauptverfasser:	MADDURY, MAHESH, MATUS, FRANCISCO, DHARMAPURIKAR, SARANG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	In one embodiment, a method includes receiving a packet at an interface at a network device having a plurality of interfaces connected to a plurality of links forming a bundle, performing a Reverse Path Forwarding (RPF) check on the received packet, and forwarding the packet if it passes the RPF check. The RPF check includes a lookup in an RPF table having a plurality of entries for the bundle, each of the entries including the bundle and one of the links in the bundle, and verification that the interface receiving the packet is connected to one of the links in the bundle identified in the lookup. An apparatus is also disclosed.