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Znyx Networks bh5700 manual Booting with the -ioption

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configuration files contained in /et c / r c Z . d In order to telnet into the box, there must be a configured interface with a proper IP address. For example, zhp0 is configured with the IP address 10.0.0.43 in the factory default configuration.

Booting with the –ioption

If you cannot telnet into the switch and Linux fails to boot, it is likely that a change saved by zsync has left the switch in an inaccessible state. To allow users to recover from mistakes saved

in the overlay file system, a boot argument of –ipassed to the init process will stop the untarring of the saved overlay files. As a result, the system boots to the factory-shipped configuration.

•Connect through the console port. During boot up, the system displays the Linux boot string. Linux/PPC load: for 5 seconds. During the 5 second pause, enter the boot option -iand press Return

Linux/PPC load: root=/dev/ram init=/sbin/init -i

•Initiating the –ioption of zbootcfg. zbootcfg –d 1 –i

•Reboot the system. After the reboot, clear the –i option from the boot string. Enter the following command:

zbootcfg –d 1

The reboot command will also take -ias an option and pass it to the Linux boot,

reboot -i

•When the system boots, the overlay file system is returned to the factory-installed configuration. At this point, you have a few options.

•Run zsync and the factory-installed system will be restored to your flash.

CAUTION: All changes you have made and saved prior to the zsync command will be lost.

•Restore particular files from the existing overlay. Use the zmnt command to mount the overlay in a designated directory and copy back just the changes you want to keep from the existing overlay. For example, if you wanted to recover your /etc/hosts file from the existing overlay, use zmnt to mount the overlay in a designated directory, like /tmp, then

copy /tmp/etc/hosts to /etc/hosts. Lastly, use zsync to save your changes.

zmnt /tmp

cp /tmp/etc/hosts /etc/hosts

Ethernet Switch Blade User's Guide

release 3.2.2j

page 87

Image 87

Znyx Networks bh5700 manual Booting with the -ioption

Contents

Manufacturing Part Number AD171-9603A June HP bh5700 Atca 14-Slot Blade Server Ethernet Switch Blade Ethernet Switch Blade Users Guide Release 3.2.2j Legal Notices About the Ethernet Switch Blade Manual Table of Contents Specifying Source and Destination IP Addresses Ethernet Switch Blade Users Guide Release 3.2.2j 100 Network Time Protocol NTP Client Configuration Network File System NFS Client ConfigurationCombining Queuing Disciplines Ethernet Switch Blade Users Guide Release 3.2.2j Ethernet Switch Blade Users Guide Release 3.2.2j Ethernet Switch Blade Users Guide Release 3.2.2j Table of Figures Fabric Switch Elements Init Script Flow Index of Tables Ethernet Switch Blade Users Guide Release 3.2.2j Ethernet Switch Blade Users Guide Release 3.2.2j High Performance Embedded Switching Overview of the Ethernet Switch Blade Ethernet Port Layout OpenArchitect Switch ManagementPowerful CarrierClass Features Extensible Customization of Routing Policies Inter-switch Link ISL Ethernet Switch Blade Port ConfigurationBase switch Quick Reference Fabric Switch Quick Reference OpenArchitect Software Structure OpenArchitect Switch Environment Ethernet Switch Blade Users Guide Release 3.2.2j OpenArchitect Software Structure Console Port Cabling Port Cabling and LED IndicatorsConnecting the Cables Connecting to the Console Port LED Reference Out of Band Ports OOB Ports LED Reference Ethernet Switch Blade Users Guide Release 3.2.2j Surviving Partner High Availability Networking Zlmd Switch Replacement and Reconfiguration Example HA Switch Configuration Modifying zsp.conf on the Base switch Siblingaddresses zhp1 = 10.0.0.30, 10.0.0.31 netmask #vrrpmode blockcrossconnect Siblingaddresses zhp1=10.0.0.30master, 10.0.0.31 netmask You will see output similar to this Modifying zspvlan.conf on the Fabric Switch Ethernet Switch Blade Users Guide Release 3.2.2j Ethernet Switch Blade Users Guide Release 3.2.2j # zre names cannot be mixed on the same line ARP Ethernet Switch Blade Users Guide Release 3.2.2j Ethernet Switch Blade Users Guide Release 3.2.2j Configuring Surviving Partner Central Authority Secondary Can be modified to OpenArchitect Configuration Procedure Fabric Switch ConfigurationTwo switches, two consoles Connecting to the Fabric Switch Console Default Configuration Scripts Example Configuration ScriptsChanging the Shell Prompt Tagging and Untagging VLANs Overview of OpenArchitect Vlan Interfaces Address. The S50layer2 script does the following Switch Port Interfaces Using the S50layer2 Script Reboot the switchRapid Spanning Tree To Enable Rapid Spanning Tree Create a bridge device from the zhp devicePort Path Cost Layer 3 Switch Configuration Usr/sbin/zl3d zhp0..47 Layer 3 Routing Protocols with GateD Using the S55gatedRip1 Script Sets the RIP1 protocol to open Defines the netmask used in the interface Or for RIP2 To Modify the GateD Scripts Or for Ospf Class of Service COSEgress Queues Ingress Classification Ztmd Explained Marking and Re-markingScheduling Running zfilterd Restrictions on Implementation Introduction Iptables and filtering Packet Walk Firewall Flow Specifying an Icmp Message Type Filter Rules SpecificationsSpecifying Source and Destination IP Addresses Specifying Protocol Supported Targets Specifying TCP flagsSpecifying an Interface Filter Rule Targets Send all tcp packets arriving on zhp5 out port Extensions to the default matchesOptions with any of these Zaction parameters Zaction Examples Forwarding Chain supports all of them Fifo Queues pfifo and bfifo disciplinesOutput should display the following Handle RootPfifo limit Prio and WRR queues Ethernet Switch Blade Users Guide Release 3.2.2j Combining Queuing Disciplines U32 Filter Handle Semantics Cops Common Open Policy Service OpenArchitect PEP Protocol Architecture Sample configuration file is listed below Using pepd Fabric Switch Administration Setting the Root PasswordAdding Additional Users Name Service Resolution Setting up a Default Route Network Time Protocol NTP Client Configuration Network File System NFS Client Configuration Removing the # sign NFS Server Configuration Connecting to the Switch Using FTP Connecting to the Switch Using TftpTftpd Server Configuration Supported Mibs Snmp Agent Supported MIBs Supported Traps Snmp and OpenArchitect Interface Definitions Supported TrapsOpenArchitect, defines three types of devices Snmp Configuration Link and Snmp StatusIfStackTable Entries You can alter this behavior by specifying Port MirroringSnmp Applications Response To check the status of all links Link and LED ControlLink Event Monitoring To check the status of a link Overview of the OpenArchitect switch boot process Fabric Switch Maintenance Boot Flow Chart Saving Changes Modifying Files and Updating the SwitchRecovering from a System Failure System Boots with a Console Cable Booting with the -ioption Upgrading the OpenArchitect Image System Hangs During BootBooting the Duplicate Flash Image Reboot the system Image file will be something named similar to the following Upgrading the Switch DriverUpgrading or Adding Files Excluding Saving Files to Flash Using apt-get Base Switch Configuration Connecting to the Base Switch ConsoleOpenArchitect Configuration Procedure Files into flash for reloading Default Configuration ScriptsExample Configuration Scripts Changing the Shell Prompt Overview of OpenArchitect Vlan Interfaces Multiple VLANs Linux Then, bring up the interface with ifconfig1M Rapid Spanning Tree Layer 3 Switch Configuration Zconfig zhp1 vlan2=zre5..8 zconfig zre5..8=untag2 Layer 3 Switch Using the S50multivlan Script Layer 3 Switch Using Multiple VLANs Multiple Vlan Configuration 10.0.0.42-10.0.3.42, assigns the netmask and brings them up Layer 3 Routing Protocols with GateD Shuts off sending and receiving packets from all interfaces To Modify the GateD Scripts Class of Service COS Egress QueuesIngress Classification Zcos Marking and Re-markingScheduling Field values Running zfilterdRestrictions on Implementation Output Port Action that will take place. For example, the rules Iptables and filtering Firewall Flow Specifying Source and Destination IP Addresses Icmp-type ping Zaction Znyx Forwarding Chain supports all of them Tc Traffic ControlStrict Priority Qdisc These are described in the Linux packet filtering Howto at Weighted Round Robin Qdisc Using Filters to Direct Packets to a COS Queue Fifo QdiscsProtocol ip Protocol arp Protocol allMatching Specific Ingress Ports Advanced Filtering Policing Policing Actions ExamplesSpanning tree Bpdu packets go in COS queue 6, no limit U32 match selectors used in filters 82+To mirror only in-profile packets to port 3, use U Match Selectors Match selectors Ztmd zqosd Ethernet Switch Blade Users Guide Release 3.2.2j U32 Filter Cops Common Open Policy Service Protocol Architecture OpenArchitect PEP Using pepd Pepid Where Base Switch Administration Setting the Root PasswordAdding Additional Users Name Service Resolution Setting up a Default Route Network File System NFS Client Configuration Connecting to the Switch Using FTP NFS Server Configuration Connecting to the Switch Using Tftp Tftpd Server ConfigurationSnmp Agent Supported Mibs Snmp and OpenArchitect Interface Definitions Snmp Configuration Physical Link Status on Base Switch Snmp Applications Port Mirroring Link Event Monitoring Link and LED Control Overview of the OpenArchitect switch boot process Base Switch Maintenance Booting up Process Flow Saving Changes Modifying Files and Updating the SwitchRecovering from a System Failure System Boots with a Console Cable ∙ Reboot the system Booting with the -i option System Hangs During Boot Booting the Duplicate Flash ImageUpgrading the OpenArchitect Image Upgrading or Adding Files Upgrading the Switch Driver Using apt-get Base Interface Hub System Ethernet InterfacesManagement Interfaces Console port. An RS-232 to RJ-45 adapter is required Fabric Interface Hub System Base Interface Out-of-Band Ethernet Connection Fabric Interface Serial Ports Fabric Interface Out of Band Ethernet Connection Ethernet Switch Blade Activation States Diagnosing a Failed Ethernet Switch Blade Activation FRU State HotSwap Healthy Solution LED Status Troubleshooting States Accessing the ShMMVerifying Communications Between the ShMM and Switch FRU State HotSwap Healthy Solution Checking the ekey Status From the Shelf Manager Analyzing Mstate information for the switch Clia board -v Troubleshooting a Failed OpenArchitect Load OpenArchitect Boot Process Recovering from a System Failure Properly attach the console cable Booting Without the Overlay File Booting the Duplicate Flash Image Physical Interfaces Network Configuration ProblemsEthernet Switch Blade Backplane Interfaces zre Ports Interface Overview Default Base Interface Configuration Port, Layer 2 Switching, single VlanAdditional Interfaces Default Base Interface Network Diagram Default Fabric Interface Configuration Linux Networking Environment Interfaces Ifconfig Default Screen Output for the Base Interface Configuration Troubleshooting Problem SolutionDetermining ekey status for a specific slot Zre Link Port Status Link Speed Pause FaultsAuto Enable Internal Fault 1000fd Disable External Fault Link Status for a range of ports Querying Base Interface ekey StatusLink Status for a single port Example Output Querying Fabric Interface ekey Status Ethernet Switch Blade Users Guide Release 3.2.2j Diminished Network Throughput Network Connectivity Troubleshooting No ConnectionConnecting to Devices with Fixed Port Speeds External Fault LED Network Tests Ping Test Traceroute Test Isolating Hardware Failures Isolation Transformer Zone 3 Atca Connector Switch Chip U60 Switch Chip U59Isolation Transformer ZMC Daughter Board Inside View Hardware Subsystem Testing the FlashROMs Testing the Switch Fabric Link Status for a single portLink Status for a range of ports Testing the onboard RAM Testing the Control Processor INT FLT LED activity Hardware Fault Ethernet Switch Blade Users Guide Release 3.2.2j High Availability Troubleshooting Spontaneous Failover ActivityUnexpected Fail-back Activity Base Interface Switch Firmware OverviewChecking the switch firmware version Following output is shown for the 3.0 Base Interface Fabric Interface Updating the Switch Firmware BootLoader Firmware UpgradeOpenArchitect Firmware Upgrade Ipmc Firmware Upgrade Restoring the Factory Default Configuration Before Calling Support ROM Devices in OpenArchitect Appendix a Fabric Switch Command Man Pages Vrrpconfig Configure and control the running vrrpd Vrrpconfig See Also Vrrpd Virtual Router Redundancy Protocol Daemon Vrrpd Change the virtual MAC address from Vrrpconfig Zbootcfg Zbootcfg -d 1 Zconfig Configures the OpenArchitect switch Zconfig Trunk interface syntax Global StatementsGlobal Statement Syntax Trunk Interface Statements Teardown statement uses a colon instead of an equals sign Zrl0=ip sourceaddress, ip destinationaddress Is the same asExamples of trunk interface statements This statement creates a trunk containing three ports Examples of Network Interface Statements Network interface actions may include Examples of Port Interface Statements Port Interface Statements This statement is equivalent to the following three lines Wildcards This is equivalent to Zl3d Zcos Zcos class of service queue control Hostname Prio RR WRR DRR port list Zcos -n 50,50,50,50,75,75,75,75 zre0..19 Zdog Options Zfilterd Zflash Zbootcfg Zl2, zl2mc, zl3host, zl3net, zvlan Zl2 -m 00c095450000 Following command displays all entries of the zl2 table Following command deletes the above entry Zgvrpd Zgvrpd -t zhp0 Zl2d Layer 2 daemon for the OpenArchitect switch Zl2dStart stop Operations Zl3d Zl3d Layer 3 daemon for the OpenArchitect switch Zl3d zhp1 zhp2 zhp3 Zlc − link and LED control Zlc To query the settings of a particular port Ifconfig8 Zlmd − monitor link changes or hot swap events Zlmd Zlmd zre1..4=/usr/sbin/prtchange To start zlogrotate with the default values ZlogrotateZlogrotate − Rotates log files Zmirror Set packet mirroring on an ingress or egress port Zmirror Zmirror is cumulative Zmnt − Expands the read/write files onto the RAM disk Zmnt Restored overlay will be used upon the next reboot On the fabric switch the following command would return ZpeerPeer is not properly functioning Set debug level to level Display complete status of zpeer Healthy state, the query will return the backup state Be also reset Zqosd Ztmd, tc8, zfilterd Zrc Packet rate control Zrc Zreg Operands Zrld Znyx redirector daemon Zrld Zsnoopd Zsnoopd Zspconfig configure and start surviving partner Zspconfig Configuration File Ethernet Switch Blade Users Guide Release 3.2.2j Ethernet Switch Blade Users Guide Release 3.2.2j Rain link zhp1, zre1..4 Output Files Zconfig, ifconfig, vrrpd, dhclient, dhcpd Zstack Zstack Configures the OpenArchitect switch stacking Stack Port Association Stack Creation Stack Control Statements Stack Configuration Statements Are supported Zre lists. Example of stack0..3 representing stacks 0, 1, 2 Ztats − Display statistics and information about switch Switch BladeZtats Zsync − Saves changes to the flash Zsync To zsync only the hosts file Restored overlay will be loaded upon the next reboot Ztmd Zqosd, iptables8, tc8, zfilterd Brctl8 Brctl Bridge and Spanning Tree Protocol administration Brctl8 replaces the older brcfg tool Setportprio bridge zre# priority Zconfig, zl2d Appendix B Base Switch Command Man Pages = Master Examples Following options are supported by vrrpd Lower Case ‘m’ the time is specified in milliseconds. See Also Specifies the ROM device from which to boot. The dev Zbootcfg -d ZhpN for example, zhp0 Trunk interface actions Examples of trunk interface statements Network interface actions may include Zhp0 vlan100 = zre1,zre10,zre11,zre13 Tag are given the Vlan tag with the VID number 1, enter This is equivalent to See Also Zcos Limit on dynamic pool usage, in bytes, reset % port list Prio RR WRR DRR port list Examples Zdog Options Zffpcounter Now using zffpcounter to display First example queries all FFP counter valuesNext example clears all FFP counter values Next example queries ports 2-7, 15, Counter 19 Counter 20 Counter 21 Zfilterd -d level -p port -f -l -i pid -o pid Zflash Zbootcfg Std 802.1D, 1998 Edition Zgmrpd Zgmrpd -t zhp0 Zgr Following command displays all entries of the zl2 table See Also Level Sets the level of debugging output required by zgvrpd. Enable Gvrp on the set Start stop Operations Zl3d -h hostname -t msecs -b -e -l -n -d level iface Zl3d zhp1 zhp2 zhp3 Zlc Global Settings Zlmd Examples Zlogrotate Zmirror Zmirror zre1 zre10 zmirror zre2 zre11 See Also Expanded, or the file to which the tar image is saved Restored overlay will be used upon the next reboot Zpeer Options See Also Zqosd Ztmd, tc8, zfilterd Number of packets per time period above which Zreg Echo 0x80000640 zreg -w Zrld Zsnoopd No router multicast traffic. Default is 260 seconds Zpeer peer state query Time to wait in seconds before giving up on Configuration File Ethernet Switch Blade Users Guide Release 3.2.2j Ethernet Switch Blade Users Guide Release 3.2.2j RAINlink zhp1, zre1..4 Boardsynchronizationmode basic Zconfig, ifconfig, vrrpd, dhclient, dhcpd, zpeer Ethernet Switch Blade Users Guide Release 3.2.2j Specifies the remote hostname to configure. By Stack0 ppa0 local Stack1 ppa1 local Stack Configuration Statements Wildcards See Also Zsync Files Ztmd Zqosd, iptables8, tc8, zfilterd Important This option must only be executed by zl2d Ethernet Switch Blade Users Guide Release 3.2.2j Zconfig, zl2d ISwitch-ShMC Interaction Appendix C Intelligent Platform Management InterfaceStates Table C.2 PMC Controller Support PMC Controller Support Command Code Sensor # StatusPeripheral Management Controller Functional Support Table C.1. Ipmi M States Standard Ipmi Command GetSensorReading Sensor Reading ExampleTable C.3 GetSensorReading Table C.4 GetSensorResonse Standard Ipmi Response GetSensorReading Structure of Standard Ipmi Responses From PMC to BMC Structure of Standard Ipmi Commands From BMC to PMC Event Generator Field Replaceable Unit Inventory DeviceIpmb Event message format Spare Seeprom Space Allocation Table C.8 Seeprom SpaceIpmb Override Status Data Table C.9. Ipmb Override Status Data Dhcp Index NFS NTP Tc 62 Ztmd 301 Zvlan 179 ZX4920.MIB 333