Dell 8 Troubleshooting Manual

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Summary of Contents:

[Page 1] Dell 8

53-1001769-01 30 March 2010 ® Fabric OS Troubleshooting and Diagnostics Guide Supporting Fabric OS v6.4.0 ...

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Copyright © 2008-2010 Brocade Communications Systems, Inc. All Rights Reserved. Brocade, the B-wing symbol, BigIron, DCX, Fabric OS, FastIron, IronPoint, IronShield, IronView, IronWare, JetCore, NetIron, SecureIron, ServerIron, StorageX, and TurboI...

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Fabric OS Troubleshooting and Diagnostics Guide iii 53-1001769-01 Contents About This Document In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix How this document is organized . . . . . . . . ....

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iv Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Time issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Switch message logs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Fabric OS Troubleshooting and Diagnostics Guide v 53-1001769-01 Chapter 4 Configuration Issues In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Configupload and download issues. . . . . . . . . ...

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vi Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Chapter 8 ISL Trunking Issues In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Link issues. . . . . . . . . . . . . . . . . . . ....

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Fabric OS Troubleshooting and Diagnostics Guide vii 53-1001769-01 Equipment status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Checking the temperature, fan, and power supply . . . . . . . . . . 97 Checking the ...

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viii Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 ...

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Fabric OS Troubleshooting and Diagnostics Guide ix 53-1001769-01 About This Document In this chapter •How this document is organized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix •Supported hardware and software. . . ...

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x Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Supported hardware and software In those instances in which procedures or parts of procedures documented here apply to some switches but not to others, this guide identifies exactly whi...

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Fabric OS Troubleshooting and Diagnostics Guide xi 53-1001769-01 • Information that was changed: - All commands have been updated. • Information that was deleted: - All obsolete information. This information was obsoleted because it was no longer...

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xii Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Command examples This book describes how to perform configuration tasks using the Fabric OS command line interface, but does not describe the commands in detail. For complete descript...

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Fabric OS Troubleshooting and Diagnostics Guide xiii 53-1001769-01 Additional information This section lists additional Brocade and industry-specific documentation that you might find helpful. Brocade resources To get up-to-the-minute information, g...

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xiv Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 • Description of any troubleshooting steps already performed and the results • Serial console and Telnet session logs • syslog message logs 2. Switch Serial Number The switch ser...

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Fabric OS Troubleshooting and Diagnostics Guide 1 53-1001769-01 Chapter 1 Introduction to Troubleshooting In this chapter •Troubleshooting overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 •Most common ...

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2 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Most common problem areas 1 Most common problem areas Table 1 identifies the most common problem areas that arise within SANs and identifies tools to use to resolve them. Questions for ...

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Fabric OS Troubleshooting and Diagnostics Guide 3 53-1001769-01 Questions for common symptoms 1 TABLE 2 Common symptoms Symptom Areas to check Chapter or Document Blade is faulty Firmware or application download Hardware connections Chapter 2, “Ge...

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4 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Questions for common symptoms 1 LEDs are steady Links Chapter 3, “Connectivity Issues” License issues Licensing Chapter 2, “General Issues” LSAN is slow or times-out LSAN tagging...

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Fabric OS Troubleshooting and Diagnostics Guide 5 53-1001769-01 Gathering information for your switch support provider 1 Gathering information for your switch support provider If you are troubleshooting a production system, you must gather data quick...

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6 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Gathering information for your switch support provider 1 2. Type the appropriate supportSave command based on your needs: • If you are saving to an FTP or SCP server, use the following...

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Fabric OS Troubleshooting and Diagnostics Guide 7 53-1001769-01 Building a case for your switch support provider 1 3. Set the utility to capture output from the screen. Some utilities require this step to be performed prior to opening up a session. C...

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8 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Building a case for your switch support provider 1 • Do you have IPsec installed on the switch’s Ethernet interface? Yes or no. Use the ipsecConfig --show command to determine the a...

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Fabric OS Troubleshooting and Diagnostics Guide 9 53-1001769-01 Building a case for your switch support provider 1 • Host information:  OS version and patch level  HBA type  HBA firmware version  HBA driver version  Configuration set...

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10 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Building a case for your switch support provider 1 ...

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Fabric OS Troubleshooting and Diagnostics Guide 11 53-1001769-01 Chapter 2 General Issues In this chapter •Licensing issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 •Time issues . . . . ....

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12 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Switch message logs 2 Switch message logs Switch message logs (RAS logs) contain information on events that happen on the switch or in the fabric. This is an effective tool in understa...

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Fabric OS Troubleshooting and Diagnostics Guide 13 53-1001769-01 Switch boot issues 2 Symptom I2C bus errors are appearing in the switch log. Probable cause and recommended action I 2 C bus errors generally indicate defective hardware or poorly seate...

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14 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Switch boot issues 2 • reboot • haFailover • fastBoot • firmwareDownload The RRD feature is activated and halts rebooting when an unexpected reboot reason is shown continuously...

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Fabric OS Troubleshooting and Diagnostics Guide 15 53-1001769-01 FC-FC routing connectivity 2 Restrictions The following restrictions are applicable on the RRD feature: • The RRD works only on CFOS based systems and is not available on AP blades. �...

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16 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 FC-FC routing connectivity 2 The fcPing command sends a Fibre Channel ELS ECHO request to a pair of ports. It performs a zone check between the source and destination. In addition, two...

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Fabric OS Troubleshooting and Diagnostics Guide 17 53-1001769-01 FC-FC routing connectivity 2 Example of one device that accepts the request and another device that rejects the request: switch:admin> fcping 10:00:00:00:c9:29:0e:c4 21:00:00:20:37:...

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18 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 FC-FC routing connectivity 2 • Determines the specific ISLs and internal links with failures. • Exercises all ISL links in the base fabric for a logical fabric configuration. The nu...

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Fabric OS Troubleshooting and Diagnostics Guide 19 53-1001769-01 FC-FC routing connectivity 2 NOTE Superping provides an indication if all ISLs are covered. If all the ISLs are not covered, you can increase the coverage count and maximum retries t...

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20 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 FC-FC routing connectivity 2 • In frame redirection configurations, where there is a physical host, physical target, virtual initiator and virtual target; superping only identifies t...

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Fabric OS Troubleshooting and Diagnostics Guide 21 53-1001769-01 FC-FC routing connectivity 2 Timeout: (1..30) [5] Target port is Embedded Hop In Port Domain ID (Name) Out Port BW Cost --------------------------------------------------------- 0 E 9 (...

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22 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 2 Symptom Host application times out. Probable cause and recommended action The FCR tends to take a long time, more than 5 seconds, to present and setup paths for the proxy devices. Ce...

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Fabric OS Troubleshooting and Diagnostics Guide 23 53-1001769-01 Chapter 3 Connectivity Issues In this chapter •Port initialization and FCP auto discovery process . . . . . . . . . . . . . . . . . . . . 23 •Link issues . . . . . . . . . . . . . ...

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24 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Port initialization and FCP auto discovery process 3 • VEX_Port—A virtual EX_Port. It connects a Fibre Channel router to an edge fabric. From the point of view of a switch in an ed...

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Fabric OS Troubleshooting and Diagnostics Guide 25 53-1001769-01 Link issues 3 Link issues Symptom Port LEDs are flashing. Probable cause and recommended action Depending on the rate of the flash and the color of the port LED this could mean several ...

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26 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Connection problems 3 Checking the logical connection 1. Enter the switchShow command. 2. Review the output from the command and determine if the device successfully logged into the sw...

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Fabric OS Troubleshooting and Diagnostics Guide 27 53-1001769-01 Connection problems 3 Type Pid COS PortName NodeName TTL(sec) *N 021a00; 2,3;20:00:00:e0:69:f0:07:c6;10:00:00:e0:69:f0:07:c6; 895 Fabric Port Name: ...

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28 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Link failures 3 Link failures A link failure occurs when a server, storage, or switch device is connected to a switch, but the link between the devices does not come up. This prevents ...

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Fabric OS Troubleshooting and Diagnostics Guide 29 53-1001769-01 Link failures 3 Checking for a loop initialization failure 1. Verify the port is an L_Port. a. Enter the switchShow command. b. Check the last field of the output to verify that the sw...

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30 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Marginal links 3 After becoming an active port, the port becomes an F_Port or an E_Port depending on the device on the opposite side. If the opposite device is a host or target device,...

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Fabric OS Troubleshooting and Diagnostics Guide 31 53-1001769-01 Marginal links 3 Only one frame is transmitted and received at any given time. An external cable is not required to run this test. The port LEDs flicker green rapidly while the test is...

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32 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Marginal links 3 switch:admin> porterrshow frames enc crc crc too too bad enc disc link loss loss frjt fbsy tx rx in err g_eof shrt long eof out c3 fail sync ...

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Fabric OS Troubleshooting and Diagnostics Guide 33 53-1001769-01 Device login issues 3 Device login issues A correct login is when the port type matches the device type that is plugged in. In the example below, it shows that the device connected to ...

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34 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Device login issues 3 In some cases, you may find that the port has been locked as an L_Port and the device attached is a fabric point-to-point device such as a host or switch. This wo...

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Fabric OS Troubleshooting and Diagnostics Guide 35 53-1001769-01 Media-related issues 3 14 Online In_Sync PRESENT ACTIVE F_PORT G_PORT U_PORT LOGICAL_ONLINE LOGIN NOELP LED ACCEPT 15 Online In_Sync PRESENT ACTIVE E_PORT G_PORT U_PO...

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36 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Media-related issues 3 The following procedures are for checking switch-specific components. Testing a port’s external transmit and receive path 1. Connect to the switch and log in a...

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Fabric OS Troubleshooting and Diagnostics Guide 37 53-1001769-01 Segmented fabrics 3 Segmented fabrics Fabric segmentation is generally caused by one of the following conditions: • Incompatible fabric parameters (see “Reconciling fabric parameter...

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38 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Segmented fabrics 3 Reconciling fabric parameters individually 1. Log in to one of the segmented switches as admin. 2. Enter the configShow -pattern “fabric.ops” command. 3. Log in ...

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Fabric OS Troubleshooting and Diagnostics Guide 39 53-1001769-01 Segmented fabrics 3 4. Choose the fabric on which to change the duplicate domain ID; connect to the conflicting switch in that fabric. 5. Enter the switchDisable command. 6. Enter the ...

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40 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Port mirroring 3 Reconciling incompatible software features Earlier releases of software may not be supported in new versions of Fabric OS code. This may be due to a software feature c...

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Fabric OS Troubleshooting and Diagnostics Guide 41 53-1001769-01 Port mirroring 3 Port mirroring considerations Before creating port mirror connections, consider the following limitations: • A mirror port can be any port on the same switch as the s...

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42 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Port mirroring 3 Supported platforms Port Mirroring is supported only in FC ports. In general, a platform or blade supporting port mirroring supports both the mirror ports and the mirr...

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Fabric OS Troubleshooting and Diagnostics Guide 43 53-1001769-01 Port mirroring 3 Configuring a port to be a mirror port 1. Connect to the switch and log in using an account assigned to the admin role. 2. Enter the portCfg mirrorport [slot number/]...

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44 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Port mirroring 3 Adding a port mirror connection 1. Connect to the switch and log in using an account assigned to the admin role. 2. Enter the portMirror --add slotnumber/portnumber So...

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Fabric OS Troubleshooting and Diagnostics Guide 45 53-1001769-01 Port mirroring 3 Displaying port mirror connections 1. Connect to the switch and log in using an account assigned to the admin role. 2. Enter the portMirror --show command. You should ...

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46 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Port mirroring 3 ...

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Fabric OS Troubleshooting and Diagnostics Guide 47 53-1001769-01 Chapter 4 Configuration Issues In this chapter •Configupload and download issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 •Brocade configuration form . ....

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48 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Configupload and download issues 4 • The FTP or SCP server’s IP address cannot be contacted. Verify that you can connect to the FTP server. Use your local PC to connect to the FTP s...

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Fabric OS Troubleshooting and Diagnostics Guide 49 53-1001769-01 Configupload and download issues 4 • On a Virtual Fabric-enabled switch, you do not have the chassis role permission set on your user account. Implement one change at a time, then is...

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50 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Configupload and download issues 4 Probable cause and recommended action Verify that the switch was rebooted by checking the system log. If you are doing this on a enterprise-class pla...

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Fabric OS Troubleshooting and Diagnostics Guide 51 53-1001769-01 Brocade configuration form 4 Brocade configuration form Use this form as a hard copy reference for your configuration information. In the hardware reference manuals for the Brocade 480...

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52 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Brocade configuration form 4 ...

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Fabric OS Troubleshooting and Diagnostics Guide 53 53-1001769-01 Chapter 5 FirmwareDownload Errors In this chapter •Blade troubleshooting tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 •Firmware download is...

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54 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Firmware download issues 5 Symptom The blade is faulty (issue slotShow to confirm). Probable cause and recommended action If the port or application blade is faulty, enter the slotPower...

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Fabric OS Troubleshooting and Diagnostics Guide 55 53-1001769-01 Firmware download issues 5 Symptom Firmwaredownload times out. Probable cause and recommended action This can be caused by an excessively slow network. If it takes more than 30 minutes ...

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56 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Firmware download issues 5 Password: <hidden> Server IP: 192.126.168.115, Protocol IPv4 Checking system settings for firmwaredownload... Firmware access timeout. The server is ina...

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Fabric OS Troubleshooting and Diagnostics Guide 57 53-1001769-01 Troubleshooting firmwareDownload 5 Troubleshooting firmwareDownload A network diagnostic script and preinstallation check is a part of the firmwareDownload procedure. The script and pr...

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58 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Considerations for downgrading firmware 5 Considerations for downgrading firmware The pre-installation check of the firmwareDownload command detects all of the blocking conditions that...

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Fabric OS Troubleshooting and Diagnostics Guide 59 53-1001769-01 Considerations for downgrading firmware 5 File Name: /home/userfoo/v6.3.0 Network Protocol (1-auto-select, 2-FTP, 3-SCP) [1]: Password: <hidden> Checking System Settings... Versio...

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60 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Considerations for downgrading firmware 5 IPSec on FCIP tunnels requires version v6.3.1 or higher for 7800, and v6.4.0 or higher for FX8-24. Please use "portcfg fciptunnel" t...

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Fabric OS Troubleshooting and Diagnostics Guide 61 53-1001769-01 Considerations for downgrading firmware 5 Message The FS8-18 (type 43) blade is not supported by the target firmware. Please use slotshow to find out which slot it is in and remove it ...

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62 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Considerations for downgrading firmware 5 Message Downgrade is not allowed because VF is enabled. Please run "lscfg --config" and "lscfg --delete" commands to remov...

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Fabric OS Troubleshooting and Diagnostics Guide 63 53-1001769-01 Chapter 6 Security Issues In this chapter •Password issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 •Device authentication ...

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64 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Device authentication issues 6 Symptom Unable to log into the boot PROM. Probable cause and recommended action To recover a lost boot PROM password, contact your switch service provider...

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Fabric OS Troubleshooting and Diagnostics Guide 65 53-1001769-01 Protocol and certificate management issues 6 Symptom Switch is unable to form an F_Port. Probable cause and recommended action Regardless of the device authentication policy mode on the...

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66 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 SNMP issues 6 • If you think this is a policy-related issue, FCS switch or other security server-related issue then use supportSave -n to collect data from the Primary FCS switch and...

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Fabric OS Troubleshooting and Diagnostics Guide 67 53-1001769-01 FIPS issues 6 ...

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68 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 FIPS issues 6 ...

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Fabric OS Troubleshooting and Diagnostics Guide 69 53-1001769-01 Chapter 7 Virtual Fabrics In this chapter •General Virtual Fabric troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 •Fabric identification issues . . . ...

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70 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Fabric identification issues 7 • VE_Ports cannot exist in a logical switch that has XISL use turned on. Although VE_Ports are allowed in a base switch, Fabric OS v6.2.0 and later do ...

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Fabric OS Troubleshooting and Diagnostics Guide 71 53-1001769-01 Base switch issues 7 Symptom The switch with domain <domain> with firmware version <fw version> has joined the FID <fid> fabric and may not be compatible with XISL us...

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72 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Logical switch issues 7 Logical switch issues CAUTION When a logical switch is created, all configuration for the logical switch is set to factory defaults. When a logical switch is ...

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Fabric OS Troubleshooting and Diagnostics Guide 73 53-1001769-01 Switch configuration blade compatibility 7 Symptom Unable to remove ports from their current switch. Probable cause and recommended action When moving ports to a switch, they are first ...

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74 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Switch configuration blade compatibility 7 Gathering additional information For Virtual Fabric-related issues, use the following guidelines to gather additional data for your switch su...

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Fabric OS Troubleshooting and Diagnostics Guide 75 53-1001769-01 Chapter 8 ISL Trunking Issues In this chapter •Link issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 •Buffer credit...

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76 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Buffer credit issues 8 • Port trunking is disabled. • The port is not an E_Port. • The port is not 2 Gbps, 4 Gbps, or 8 Gbps. • The port connects to a switch other than the one ...

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Fabric OS Troubleshooting and Diagnostics Guide 77 53-1001769-01 Chapter 9 Zone Issues In this chapter •Overview of corrective action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 •Segmented fabrics . . . . . . . ...

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78 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Segmented fabrics 9 If you enter the cfgShow command to display information about all zones, the TI zones appear in the defined zone configuration only and do not appear in the effecti...

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Fabric OS Troubleshooting and Diagnostics Guide 79 53-1001769-01 Zone conflicts 9 Symptom Zone conflict appears in logs and fabric is segmented. Probable cause and recommended action This issue is usually caused by incompatible zoning configurations....

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80 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Zone conflicts 9 For more information about setting up zoning on your switch, refer to the Fabric OS Administrator’s Guide. You can correct zone conflicts by using the cfgClear comm...

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Fabric OS Troubleshooting and Diagnostics Guide 81 53-1001769-01 Zone conflicts 9 Changing the default zone access A switch is not allowed to merge with another switch that has an active effective configuration if the default zone is set to “no ac...

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82 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Zone conflicts 9 Checking for Fibre Channel connectivity problems Enter the fcPing command (refer to the Fabric OS Command Reference for more information on this command), which checks...

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Fabric OS Troubleshooting and Diagnostics Guide 83 53-1001769-01 Zone conflicts 9 received reply from 0x020800: 12 bytes time:1006 usec received reply from 0x020800: 12 bytes time:1008 usec received reply from 0x020800: 12 bytes time:1038 usec receiv...

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84 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Gathering additional information 9 Gathering additional information Collect the data from a supportSave -n command. Then collect the data from the cfgTransShow command. For the port ha...

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Fabric OS Troubleshooting and Diagnostics Guide 85 53-1001769-01 Chapter 10 Working With Diagnostic Features In this chapter •About Fabric OS diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 •Diagnostic ...

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86 Fabric OS Troubleshooting and Diagnostics Guide 53-1001769-01 Power-on self test 10 To save a set of files that customer support technicians can use to further diagnose the switch condition, enter the supportSave command. The command prompts for ...