Patent · US Active

Packet forwarding apparatus suitable for forwarding extended frame

US7924882B2 · kind B2 · utility

22Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 2008
Grant dateApr 12, 2011
Priority date
Expiry dateOct 22, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L12/4641
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A packet forwarding apparatus (L2SW) having a frame segmentation function of converting a extended Ethernet frame such as a MAC-in-MAC frame into a plurality of fragment frames when a payload length of the received frame exceeds a standard MTU size communicable in an Ethernet network to be a forwarding destination, by segmenting the received frame into a plurality of data blocks having a size not longer than the MTU size, and a frame assembling function of restoring an original extended frame from a series of fragment frames received from the Ethernet network.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.