HP StorageWorks 8B - FC Entry Switch User Manual
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HP StorageWorks 8B - FC Entry Switch User Manual

HP StorageWorks 8B - FC Entry Switch User Manual

Isl trunking user's guide (version 3.0)
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Summary of Contents for HP StorageWorks 8B - FC Entry Switch

  • Page 1 user's guide version 3.0 isl trunking www.hp.com...
  • Page 2 Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

  • Page 3: Table Of Contents

    Contents Preface About This Guide ......... . Related Publications .
  • Page 4 ISL Trunking User’s Guide...

  • Page 5: Preface

    Preface ISL Trunking is a licensed option that requires a valid license key to function. It is included and enabled in switches with the performance upgrade option. It is supported for the HP Surestore FC 1Gb/2Gb Entry Switch 8B, FC 1Gb/2Gb Switch 8B, and FC 1Gb/2Gb Switch 16B products using Fabric OS version 3.0.1b or later.
  • Page 6 Provided on the FC Entry Switch 8B and FC Switch 8B Documentation CD, and at the HP Web site http://www.hp.com/support/fc8B • HP Surestore FC 1Gb/2Gb Entry Switch 8B and FC 1Gb/2Gb Switch 8B Getting Started Guide (A7346-90902) • HP Surestore FC 1Gb/2Gb Entry Switch 8B and FC 1Gb/2Gb Switch 8B Installation and Reference Guide •...

  • Page 7: Getting Help

    Getting Help For information for the FC Entry Switch 8B and FC Switch 8B, visit the HP Web site at http://www.hp.com/support/fc8B . For the most current technical support information for the FC 16B, visit the HP Web site at http://www.hp.com/support/fc16B .
  • Page 8 viii ISL Trunking User’s Guide...

  • Page 9: Introducing Isl Trunking

    Chapter Introducing ISL Trunking This chapter provides the following information: • Overview page 1-1 • Advantages of ISL Trunking page 1-1 • Trunking Groups, Ports and Masters page 1-3 Overview Interswitch Link (ISL) Trunking is an optionally licensed product available on the FC Entry Switch 8B, FC Switch 8B, and FC 16B switches with Fabric OS version 3.0.1b or later.
  • Page 10 Introducing ISL Trunking Routing without the ISL Trunking Feature Prior to the implementation of the ISL Trunking feature, device-level load sharing was done through Fibre Channel networks that created ISLs and operated with the Fibre Channel Shortest Path First (FSPF) routing protocol. The protocol established and communicated the shortest paths for data to be carried from source to destination.

  • Page 11: Trunking Groups, Ports And Masters

    Introducing ISL Trunking Figure 1-2, four ISLs provide 8Gb/Sec of total throughput. With the implementation of ISL Trunking, bandwidth is shared across the trunked ISLs, permitting a total throughput of 2Gb/Sec. + 1.5Gb/Sec + 0.5Gb/Sec + 1 Gb/Sec + 2Gb/Sec, or 7Gb/Sec. Because the trunk aggregates the four individual paths into one and preserves in-order deliver of frames, the total throughput is increased compared to a non-trunked group of ISLs.
  • Page 12 Introducing ISL Trunking Trunking Masters The trunking master implicitly defines the trunking group. All ports with the same master are considered to be part of the same group. Each trunking group includes a single trunking master and from 1 to 3 trunking slave links. The first ISL found in any trunking group is assigned to be the trunking master, also known as the principal ISL.

  • Page 13: Installing Isl Trunking

    Chapter Installing ISL Trunking Overview Installing the ISL Trunking feature involves activating a license for each switch you want to enable for trunking. After the license is activated, ISL Trunking is automatically invoked as ISLs are added between two 2Gbit/Sec switches. A license may have been installed in the switch at the factory.

  • Page 14: Installing Isl Trunking Through Web Tools

    Installing ISL Trunking switchdisable Enable the switch by entering the following command: switchenable Installing ISL Trunking through Web Tools To enter the ISL Trunking license key using the Web Tool user interface, do the following Launch the Web browser, enter the switch name or IP address in the Location/Address field, and press Enter.

  • Page 15: Using Isl Trunking

    Chapter Using ISL Trunking This chapter provides the following information: • Overview page 3-1 • Administering ISL Trunking page 3-1 • Frequently Asked Questions about ISL Trunking page 3-4 Overview The ISL Trunking feature is managed by performing some administration tasks. These tasks include: enabling or disabling the trunking, enabling and disabling ports of a switch, setting the speed of a port, and debugging a trunking link failure.
  • Page 16 Using ISL Trunking ISL Trunking Telnet Commands The following table shows the telnet commands used to manage the ISL Trunking feature. Table 3-1 ISL Trunking Telnet Commands Telnet Command Description Example Use this command to To enable port 5 for ISL Trunking, portCfgTrunkport configure a port to be enter:...
  • Page 17 Using ISL Trunking Using Web Tools for ISL Trunking Use Web Tools to view and modify ISL Trunking options through the Trunk Information Tab and the Port Settings Tab on the Switch Administration interface. For information on how to install and use Web Tools for the ISL Trunking feature, refer to the Web Tools User’s Guide.

  • Page 18: Frequently Asked Questions About Isl Trunking

    Using ISL Trunking Frequently Asked Questions about ISL Trunking The following table lists Frequently Asked Questions about the ISL Trunking feature: Table 3-4 Frequently Asked Questions about ISL Trunking Frequently Asked Questions Answers Does ISL Trunking replace Dense Wavelength No. DWDM is a ring, and if a failure occurs it Digital Multiplexing (DWDM)? reroutes the allocated wavelength over alternate routes, and therefore changes the effective...
  • Page 19 Glossary 8b/10b An encoding scheme that converts each 8-bit byte into 10 bits. Used to balance Encoding ones and zeros in high-speed transports. Address A 24-bit or 8-bit value used to identify the source or destination of a frame. Identifier Advanced A software product that provides error and performance information to the Performance...
  • Page 20 Bit Error Rate; the rate at which bits are expected to be received in error. Expressed as the ratio of error bits to total bits transmitted. See also Error. Block As applies to Fibre Channel, upper-level application data that is transferred in a single sequence.
  • Page 21 Disparity The relationship of ones and zeros in an encoded character. “Neutral disparity” means an equal number of each, “positive disparity” means a majority of ones, and “negative disparity” means a majority of zeros. Distributed The combined user’s guides for the software products Extended Fabrics and Fabrics Remote Switch.
  • Page 22 Fabric A software product that works in conjunction with Web Tools to provide a Manager graphical user interface for managing switch groups as a single unit, instead of as separate switches. Fabric Manager is installed on and run from a computer workstation.
  • Page 23 FSPF Fabric Shortest Path First. Routing protocol for Fibre Channel switches. Full-duplex A mode of communication that allows the same port to simultaneously transmit and receive frames. See also Half-duplex. Fx_Port A fabric port that can operate as either an F_Port or FL_Port. See also F_Port, FL_Port.
  • Page 24 JBOD Just a Bunch Of Disks; indicates a number of disks connected in a single chassis to one or more controllers. See also RAID. K28.5 A special 10-bit character used to indicate the beginning of a transmission word that performs Fibre Channel control and signaling functions. The first seven bits of the character are the comma pattern.
  • Page 25 Multimode A fiber optic cabling specification that allows up to 500 meters between devices. N_Port Node Port; a port on a node that can connect to a Fibre Channel port or to another N_Port in a point-to-point connection. See also NL_Port, Nx_Port. Name Server Frequently used to indicate Simple Name Server.
  • Page 26 Private Device A device that supports arbitrated loop protocol and can interpret 8-bit addresses, but cannot log into the fabric. Private Loop An arbitrated loop that does not include a participating FL_Port. Protocol A defined method and a set of standards for communication. Public An NL_Port that logs into the fabric, can function within either a public or a NL_Port...
  • Page 27 Sequence Initiative. Single Mode The fiber optic cabling standard that corresponds to distances of up to 10 km between devices. SNMP Simple Network Management Protocol. An internet management protocol that uses either IP for network-level functions and UDP for transport-level functions, or TCP/IP for both.
  • Page 28 U_Port Universal Port; a switch port that can operate as a G_Port, E_Port, F_Port, or FL_Port. A port is defined as a U_Port when it is not connected or has not yet assumed a specific function in the fabric. User Datagram Protocol; a protocol that runs on top of IP and provides port multiplexing for upper-level protocols.
  • Page 29 Index administering load balancing trunking switch administration advantages of trunking manage trunking master Brocade Web Tools members, group tabs overview Fibre Channel Association trunking Fibre Channel Shortest Path First (FSPF) four-port groups port speed trunking group members trunking routing with trunking without trunking installation license key...
  • Page 30 technical support telnet commands administering installation portCfgTrunkport supportShow command trunkDebug trunkshow trunking administration advantages groups management masters overview port Web Tools installation license key Index-2 ISL Trunking User’s Guide...

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