Methods and apparatus and data structures for providing access to an edge router of a network
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 3, 2004
Grant Date -
N/A
app pub date -
Aug 31, 2000
filing date -
Aug 31, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Aggregating physical connections from customers for presentation to an access router and de-aggregating traffic from a shared link(s) from the access router. Ports of an aggregation unit may be configured such that each has a unique identifier in the place of information (e.g., the layer 2 address) originally in the layer 2 header. The layer 2 (e.g., MAC) address of the customer device connected with the port can be associated with, and therefore determined from, the IP address of the attached device. When a packet is received from a customer, information in the layer 2 header is changed to a unique identifier assigned to a logical port or interface associated with the physical port. When a packet is received from the access router, it is placed on the port assigned to the logical port associated with the destination layer 2 address (or associated with other bits of the unique bit string and at least some of those bits are replaced with the destination layer 2 address of the device associated with the port.
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