Methods and apparatus for encapsulating a packet or frame for transmission in a storage
area network are disclosed. A packet or frame compatible with a standard protocol …

(57) ABSTRACT An Fibre Channel Switch which enables end devices in dif ferent Fabrics to
communicate with one another while retain ing their unique Fibre Channel Domain IDs. The …

Methods and devices are provided for detecting whether peer ports interconnecting two
network devices can perform a novel protocol called Exchange Peer Parameters (“EPP”). If …

US PATENT DOCUMENTS 5,473,599 A 12/1995 Li et al. 6,032,194. A 2/2000 Gaietal.
6,285,656 B1 9/2001 Chaganty et al. 6,304,575 B1 10/2001 Carroll et al. 6,373,826 B1 …

A switch detects port failures and identifies a MAC address associated with the port failure.
The switch then sends a failure notification message to other ports on the switch that …

The present invention features embodiments of automatically re-enabling a disabled port or
physical media interface by monitoring the link status of the physical layer interface. Any …

Abstract N_Ports and F_Ports are provided with logic allowing designation of multiple virtual
interfaces on a single host bus adaptor or other Fiber Channel interface, one virtual interface …

Bridge domain communication methods and devices are presented for efficiently
communicating information in a bridge domain based upon group indications and source …

Methods and apparatus are provided for label switched routing in fibre channel networks.
Techniques are provided for implementing label switching based on particular …

active machines implementing IP on the network receive the ARP request with the
embedded question and query their data stores to determine whether the IP address …