US Patent 11792109 Shortest path bridging (SPB) multi area
Patent 11792109 was granted and assigned to Extreme Networks on October, 2023 by the United States Patent and Trademark Office.
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US Patent 11792109 Shortest path bridging (SPB) multi area
Disclosed herein are system, method, and computer program product aspects for multiple instance Intermediate System to Intermediate System (IS-IS or ISIS) for a multi-area fabric. A network area in a multi-area fabric includes one or more network nodes and a boundary node shared with an other network area of the multi-area fabric outside of the network area. The boundary node can include a first ISIS instance associated with the network area and a second ISIS instance associated with the other network area. The second ISIS instance can be configured to pass information associated with the other network area to the first ISIS instance.
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