Apparatus and method for neighbor cache table synchronization
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United States of America Patent
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N/A
Issued Date -
Nov 17, 2005
app pub date -
Apr 30, 2004
filing date -
Apr 30, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and apparatus for synchronizing a neighbor cache table of a backup network device and with a neighbor cache table of a master network device is provided. The master network device may send an Add command or a Delete command to the backup network device whenever entry is added or deleted from the neighbor cache table of the master network device. Further, when a new network device joins the link to become master or backup, synchronize request and synchronize acknowledge commands may be employed to synchronize the new network device with the master network device. Additionally, when a network device becomes the master, it may send an update command to enable the neighbor switch devices to update their neighbor cache table, if any, to redirect traffic to the network device.
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