Brocade FastIron Ethernet Switch Stacking Configuration Gu Uživatelský manuál

53-1003090-0219 February 2014FastIron Ethernet SwitchStacking Configuration GuideSupporting FastIron Software Release 08.0.10a

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Hitless-supported services and protocolsTABLE 18 Traffic type Supported protocolsand servicesImpactLayer 2switchedtraffic,includingunicast andmultic

Hitless-supported services and protocols(Continued)TABLE 18 Traffic type Supported protocolsand servicesImpactManagementtrafficN/A All existing mana

Hitless-supported services and protocols(Continued)TABLE 18 Traffic type Supported protocolsand servicesImpactSecurity • 802.1X, includinguse with V

Hitless-supported services and protocols(Continued)TABLE 18 Traffic type Supported protocolsand servicesImpactcontroller will re-authenticate 802.1X

• After a switchover or failover, the Syslog may contain invalid (non-existent) port numbers inmessages such as “Interface portnum state up.” This is

over as the active controller. In the event of a switchover, the standby controller will pick up where theactive module left off, without interrupting

If more than one unit in the stack meets this criteria, the standby controller is chosen according to thefollowing criteria, in the order shown:• Prio

The following figure illustrates hitless stacking support during stack formation. Operational stages 1 and2 are also shown in this illustration.FIGURE

The following figure illustrates hitless stacking support during a stack merge.FIGURE 14 Hitless stacking support during a stack mergeTraditional Stac

The following figure illustrates hitless stacking support in a stack split.FIGURE 15 Hitless stacking support in a stack splitHitless stacking default

About This Guide● Introduction...

• Internal switchover resulting from a priority change is blocked until the entire stack is reloaded orhitless stacking is enabled. A priority change

8 S FCX648 active 0000.0077.7980 128 local Ready active standby +---+ +---+ +---+ -2/1| 8 |2/2--2/2|

Hitless stacking failover exampleFIGURE 16 Hitless stacking failover when the active controller failsHitless stacking switchoverHitless stacking switc

Hitless switchover can be used by a system administrator, for example, to perform maintenance on acontroller that has been functioning as the active c

The following figure illustrates a hitless stacking switchover triggered by the stack switch-overcommand.FIGURE 17 Manual switchoverTraditional Stacki

The following figure illustrates a hitless stacking switchover when the active controller goes down thencomes back up. The stack in this example has u

The following figure illustrates a hitless stacking switchover after the network administrator increasesthe priority value of the standby controller.F

The following figure illustrates a hitless stacking switchover after the network administrator increasesthe priority value of one of the stack members

The following figure illustrates a hitless stacking switchover after the network administrator increasesthe priority value for two of the stack member

4 S FCX624S member 0000.0000.0000 128 reserve active standby +---+ +---+ +---+ -1/3| 1 |1/5--1/5| 2 |1/3--1/5| 3 |1/3-

Related publicationsThe following Brocade documents supplement the information in this guide and can be located at http://www.brocade.com/ethernetprod

To view the System log or the traps logged on an SNMP trap receiver, enter the show log command atany level of the CLI. The following example output s

MessageStack: Stack is operational due to FAIL-OVERExplanation Indicates that a failover has occurred.Message Level InformationalTo view the System lo

Syslog messages120 FastIron Ethernet Switch Stacking Configuration Guide53-1003090-02

Mixed Stacking● Supported mixed stacking features...121● Mixed stacking ov

Mixed stacking devicesA mixed stack contains ICX 6610 devices and ICX 6450 devices. ICX 6610 devices form the backboneof the mixed stack. ICX 6450 dev

topology with six ICX 6450 devices connected as peripherals. Each ICX 6610 device is directlyconnected to each ICX 6450 device. Each ICX 6450 device i

Mixed stacking termsTABLE 20 Term DefinitionActive controller ICX 6610 device.Backbone or core Topology formed by ICX 6610 devices.Backbone or core

Configuring basic mixed stackingThere are three ways to configure a mixed stack: the secure-setup utility, automatic configuration, andmanual configur

4. When prompted, specify the topology by accepting the discovered topology.Do you accept the topology (RING) (y/n)?: yThe devices in the substacks ar

The following example shows the configuration of a mixed stack using thesecure-setup utility. The mixed stack contains two ICX 6610 devices in theback

Traditional Stacking● Supported traditional stacking features...11● Traditiona

Use the show stack command or the show stack connection command toverify the mixed stack configuration.Brocade# show stackalone: standalone, D: dynami

2: 2/3/8 (T3) <---> 8/2/4 (T1) Link 7: u3 -- u4, num=2 1: 3/2/1 (T0) <---> 4/2/3 (T1) 2: 3/2/2 (T0) <---> 4/2/4 (T1) Link

The following example shows the configuration of a mixed stack using theautomatic configuration method in which all stack members are configured fromt

Specifying the port modules identifies the device to the active controller. Use the show running-config command to get port module information. You on

1. Specify the stack unit ID.Brocade# stack unit 12. Specify the trunks or ports on this backbone device that connect to a peripheral device in asubst

1. Specify the stack unit ID.Brocade# stack unit 1Because you are configuring each device from the device itself, and the stack is not yet formed, the

Use the show running-config command to view the mixed stack configuration.Brocade# show running-configstack unit 1 priority 128 peri-trunk 1/3/1 to

Standby u2 - No hitless failover. Reason: hitless-failover not configuredCurrent stack management MAC is 748e.f8ce.bc40Configuration

Use the show running-config command to view the mixed stack configuration.The following example shows the configuration of a mixed stack using themanu

Configuration verification example for a stacking star topologyMixed stacking star topology configuration verification example.Use the following steps

Feature ICX 6430 ICX 6450 FCX ICX 6610 ICX 6650 FSX 800FSX 1600ICX 7750Hitless stacking: Hitless failover, Hitlessswitchover08.0.01 08.0.01 08.0.01 08

The following is example output from the show running-config command aftera star topology mixed stack has been configured:Current configuration:!ver 0

2/1| 1 |2/6==2/1| 2 |2/6 +---+ +---+ active standby --- +---+ --- ( 1 )3/1

NOTEYou cannot upload an ICX 6450 image from a mixed stack to a TFTP server or SCP client.Recovering a pre-stacking configuration on peripheral device

In this example, ICX 6450 peripheral devices are removed from a mixed stack.The mixed stack contains two ICX 6610 devices in the backbone, and there a

connect 4/2/3stack unit 4 module 1 icx6450-24p-poe-port-management-module module 2 icx6450-sfp-plus-4port-40g-module stack-trunk 4/2/1 to 4/2/2

later if stack merge or stack formation happens. To remove a stack member fromthe configuration, use the no stack id command.Brocade# show stackalone:

Recovering a pre-stacking configuration on peripheral devices144 FastIron Ethernet Switch Stacking Configuration Guide53-1003090-02

Stacking Commands● connect...14

ExamplesThe following example connects stack unit 3 (a peripheral device) to stack unit 1 (the active controller)and to stack unit 4 (another peripher

no multi-peri-trunk stack-unit/slotnum/portnum to stack-unit/slotnum/portnum and stack-unit/slotnum/portnum to stack-unit/slotnum/portnumParameterssta

ICX devicesAll ICX 6610, ICX 6430, and ICX 6450 devices can be active members of a Brocade IronStack. Forinformation about how to install ICX 6610 dev

ExamplesThe following example changes the trunked link between stack unit 3 (a peripheral device in a mixedstack) and stack unit 4 (another peripheral

no peri-port stack-unit/slotnum/portnumParametersstack-unitSpecifies the stack unit ID.slotnumSpecifies the slot number.portnumSpecifies the port numb

ExamplesThe following example specifies two trunks on a backbone device that connect to a peripheral device ina substack. The first trunk contains por

ExamplesThe following is the sample output from the show chassis command executed on an ICX 6610 device.Brocade# show chassisThe stack unit 1 chassis

Specifies a VLAN ID of the MAC entry to be displayed.ModesUser EXEC modePrivileged EXEC modeGlobal configuration modeRbridge sub-configuration modeInt

HistoryRelease Command History08.0.00a This command was introduced.stack suggested-idSpecifies the stack unit ID for a standalone device before joinin

Specifies the stack member from which the command is executed. This option is availableon all stack members.cleanSpecifies to remove the startup confi

Mixed stack exampleIn this example, ICX 6450 peripheral devices are removed from a mixed stack. The mixed stackcontains two ICX 6610 devices in a ring

3 S ICX6450-24 member 0000.0000.0000 0 reserve 4 S ICX6450-24P member 0000.0000.0000 0 reserve 5 S ICX6450-24P member 0000.0000.0000 0

tftp-serverConfigures the TFTP server location where Autocopy can download a software image.Syntaxtftp-server ip-address image-location pathno tftp-se

• Interprocessor Communications (IPC) - The process by which proprietary packets areexchanged between stack unit CPUs.• IronStack - A set of Brocade s

When a stacking port is malfunctioning, the correctional steps that an active controller cantake, depend on the value of this level variable. Its valu

Brocade traditional stacking topologiesBrocade traditional stacking technology supports linear and ring stack topologies. Although Brocadestackable un

The procedure for cabling a stack of FCX devices differs depending on whether your stack containsFCX-E and FCX-I devices. The following figure shows F

FCX stack topologies shows FCX-E devices in a linear topology stack.FIGURE 3 FCX-E linear topology stack using SFP+ module portsThe following figure s

© 2014, Brocade Communications Systems, Inc. All Rights Reserved.Brocade, the B-wing symbol, Brocade Assurance, ADX, AnyIO, DCX, Fabric OS, FastIron,

on FCX-S or FCXS-F devices to the ports on the front panel. For more information about reconfiguringdefault stacking ports, refer to Configuring defau

The following figure shows a fully connected linear stacked trunk topology.FIGURE 6 ICX 6610 linear stack topologyThe following figure shows a fully c

In contrast, the following figure shows a linear and ring topology where trucks are not fully connectedand show missing or partial trunk cables. This

ports. By default, ICX 6430 and ICX 6450 devices are not configured for trunked stacking. You candynamically configure or remove a stacking trunk port

• You can connect one or both ports in a trunk. Connecting both ports in a trunk increases stackingbandwidth and provides resiliency.• You must enable

The following figure shows both linear and ring stacking configurations when you only connect one portper trunk. The one port per trunk topology is th

The following figure shows how the stack cables are connected between switches in a linear stackingconfiguration for dual linking.FIGURE 10 ICX 6430 a

procedure, refer to Scenario 1 - Three-member traditional stack in a ring topology using secure-setup on page 25.2. Automatic stack configuration. Wit

• Authentication of secure-setup packets provides verification that these packets are from agenuine Brocade stack unit. MD5-based port verification co

3. Connect your console to the intended active controller. The unit through which you run secure-setup becomes the active controller by default.4. Iss

ContentsPreface...5D

For ICX devices, it displays an equals sign (=) to show connections between trunk ports, forexample:ICX6610-24P POE Router#show stack active

For ICX devices, it displays the port up state of all ports of the trunk, for example:ICX6610-24P POE Router#show stack stack-port active sta

1. Power on the devices.2. This process requires clean devices (except for the active controller) that do not contain anyconfiguration information. To

priority 255stack unit 2 module 1 fcx-24-port-copper-base-module module 2 fcx-xfp-1-port-10g-module module 3 fcx-xfp-1-port-10g-module priority

device(config-unit-1)# priority 255device(config-unit-1)# stack enableEnable stacking. This unit actively participates in stackingdevice(config-unit

Fiber-optic options and stacking distancesTABLE 1 Device Stacking port Copper options Fiber-optic options Fiber-optic maximumdistanceICX 6610 4 X 40

FCX traditional stack configurationFCX devices cannot be intermixed with non-FCX devices, and FCX devices have more possiblestacking ports.Every FCX-S

• 10-full - 10M, full duplex• 10-half - 10M, half duplex• 100-full - 100M, full duplex• 100-half - 100M, half duplex• 1000-full-master - 1G, full dupl

BPDU guard is Disabled, ROOT protect is DisabledLink Error Dampening is DisabledSTP configured to ON, priority is level0, mac-learning is enabledFlow

NOTEFCX-I and FCX-E models cannot be used in a traditional stack without the addition of an optional 10Gbps SFP+ module.Slot and port designations for

PHY calibration errors in stack ports of the ICX 6610...42Configuring an ICX 6430 and ICX 6450 traditional stack...

Error! port 3/4/1 is invaliddevice(config-unit-3)# stack-port 3/2/1To return both ports to stacking status, enter the no stack-port command on the sin

device#show stackalone: standalone, D: dynamic config, S: static configID Type Role MAC Address Pri State Comment1 S FCX624POE active

At least one port of a trunk must be connected. If multiple ports of a trunk are connected, they must beconnected to the same trunk of other unit. For

the diagnosis prints nothing because it cannot distinguish hardware failure or the cable is notconnected.*** Warning! miss 4*10G link 5/2/8(down)to 1/

When a stack unit reloads, the stack unit generates a syslog message similar to the following:SYSLOG: <9>3d21h52m57s : ICX6610-24P Router Stac

Configuring an ICX 6430 and ICX 6450 traditional stackICX 6430 and ICX 6450 devices can be stacked using the methods and topologies described in“Conne

trunk, and other side of the ports does not. A trunk-to-port connection can result in packet drops andcan potentially break a stacking link.The primar

1. Ports of the same trunk connect to different units.2. Ports of the same trunk connect to different trunks of the same unit.3. One end of a 10G port

Verifying a traditional stack configurationLog in to the active controller and verify the stack information by entering the show running-configand sho

UNIT 4: SL 2: FCX-2XGC 2-port 16G Module (2-CX4)==========================================================================UNIT 4: SL 3: FCX-2XG 2-port

Displaying information about stack failover...117Displaying information about link synchronization status...

Logging in through the CLIYou can access the traditional stack and the CLI in two ways:• Through a direct serial connection to the console port• Throu

NOTEError messages that are generated during a reload of the active controller will not appear on rconsoleconnections from the stack units to the acti

Traditional stack management MAC addressThe traditional stack is identified in the network by a single MAC address, usually the MAC address ofthe acti

stack 2 module 1 fcx-24-port-copper-base-module module 2 fcx-cx4-1-port-10g-module module 3 fcx-cx4-1-port-10g-modulestack enablestack mac 0000.000

Traditional stack unit identificationStack units are identified by numbers 1 though 8. You can display stack unit IDs by entering the showstack comman

1 S FCX624 active 0000.00eb.a900 128 local Ready2 S FCX624 standby 0000.004f.4243

Stacking CLI commands (Continued)TABLE 3 Command Description locationshow chassis Displaying traditional stack chassis information on page 64show fl

Stacking CLI commands (Continued)TABLE 3 Command Description locationhitless-failover enable Enabling hitless stacking on page 108stack switch-over

Converting from a pre-stacking image to a stacking imageWhen you boot a stacking image (release 05.X or later) on a device with a pre-stacking (pre-re

Confirming traditional stack software versionsAll units in a traditional stack must be running the same software image. To confirm this, check thesoft

4 FastIron Ethernet Switch Stacking Configuration Guide53-1003090-02

• after - Schedule reloading after certain time period• at - Schedule reloading at an exact later time• cancel - Cancel scheduled reload• unit-id - St

When a stack breaks into partitions, the partition with the active controller remains operational. If apartition contains the standby controller, this

stack. When you enable the Persistent MAC Address feature, you configure a time delay before thestack MAC address changes. During this configured inte

To display the stack MAC addresses, enter the show stack command.device(config)# show stackalone: standalone, D: dynamic config, S: static configID

• me - Unconfigure this unit only• clean - Removes all startup configuration files including v4 and v5 and makes this a clean unit• mixed-stack - Remo

Compressed Sec Code size = 2873523, Version 04.2.00aT7e1 (fcx04200a.bin)Compressed BootROM Code size = 403073, Version 03.0.00T7e5Code Flash Free Spac

Field definitions for the show memory command TABLE 5 Field DescriptionTotal DRAM The size (in bytes) of DRAMDynamic memory The total number of byte

Field definitions for the show chassis command (Continued)TABLE 6 Field DescriptionExhaust Side Temperature Readings From the air exhaust side of th

Displaying stack resource informationUse the show stack resource command to display stack resource information, as shown in theexample output from an

+--+ +--+ +--+ +--+ +--+ +--+ =2/1| 4|2/6==2/6| 3|2/1==2/1| 2|2/6==2/6| 1|2/1==2/1| 7|2/6==2/6| 6|2/1=| +-

Preface● Document conventions...5● Brocade resource

Field descriptions for the show stack command TABLE 9 Field Descriptionalone: Standalone This device is operating as a standalone deviceS: static co

Displaying stack flash informationUse the show stack flash command to display information about flash memory for stack members, asshown in this exampl

DAT: 15556, DAT+ACK: 1, DAT+WND: 0, DAT+ACK+WND: 0Data retransmits done: 1069, Zero-window probes sent: 0Dup ACK pkts rcvd: 1224, Pkts rcvd w/dup data

Session statistics: base-channel, unit 3, channel 0:Session state: established (last

Remote resets: 0, Reset packets sent: 0Connection statistics (for current connection, if established):Msgs sent: 14630, Msgs received: 14031Atomic bat

Message types sent:[9]=1182, [10]=2, [11]=2, [13]=2,[19]=29,Message types received:[9]=506, [10]=1, [13

Displaying stack neighbors informationThe show stack neighbors command displays information about stack member neighbors. Thefollowing output is from

up ports: 1/2/1, 1/2/2, 1/2/3, 1/2/4, 1/2/5 up ports: 1/2/6, 1/2/7, 1/2/8, 1/2/9, 1/2/102 up (2/2/1-2/2/5) up (2/

priority 128 stack-trunk 1/2/1 to 1/2/2 stack-trunk 1/2/6 to 1/2/7 stack-port 1/2/1 1/2/6stack unit 4 module 1 icx6610-48p-poe-port-management-m

Displaying software version informationThe show version command shows the software version that the stack is running. Note that the lastline of this o

Convention Descriptionvalue In Fibre Channel products, a fixed value provided as input to a commandoption is printed in plain text, for example, --sho

==========================================================================UNIT 5: SL 2: ICX6610-QSFP 10-port 160G Module==============================

Field descriptions for the show interfaces stack-ports command TABLE 15 Field DescriptionPort The stack identification number for this unit.Link Ide

Field definitions for the show statistics stack-ports command TABLE 16 Field DescriptionPort The stack identification number for this unit.In Packet

4: 5/2/9 (T1) <---> 6/2/4 (T0) 5: 5/2/10(T1) <---> 6/2/5 (T0) Link 7: u7 -- u6, num=5 1: 6/2/6 (T1) <---> 7/2/6 (T1) 2:

order for the configuration to stay on the active controller (to make it a static configuration), youmust do a write memory on the active controller.•

1. Remove the old stack unit from the stack2. Connect the new unit to the existing stack using the same stacking ports used by the old unit.3. Run sec

Enter an unused id for the UPSTREAM FCX623 unit a 1 hop(s) (1-8)[5]: 2Enter an unused id for the UPSTREAM FCX624 unit at 2 hop(s) (1-8) [6]: 3device#

For more information about Syslog messages, refer to the FastIron Ethernet Switch AdministrationGuide.Configuring SNMP for a traditional stackSNMP ser

NOTEIf you are building a stack using secure-setup, you do not have to enter stack enable on each unit.2. Check that all of your stacking port connect

NOTEIf your intended stacking ports are connected in a ring topology, they will not all appear to be in theforwarding state because of spanning tree,

Brocade resourcesVisit the Brocade website to locate related documentation for your product and additional Brocaderesources.You can download additiona

Troubleshooting image copy issuesThe copy tftp flash command copies the image to all stack units including the active controller. Thecopy flash flash

Advanced feature privilegesAdvanced feature privileges must be enabled to run advanced features such as BGP. Both active andstandby units must be enab

Configuration mismatches can happen during manual setups, or when moving a unit from one stack toanother stack or the ID of a unit is changed by secur

Verifying Auto Image CopyUse the show stack detail command to verify if there are any units in the mismatch state after thestack is formed.Memory allo

If you are unable to remove the configuration because of a multi-slot trunk configuration, you mustfirst manually remove the multi-slot trunk configur

More about traditional stack technologyThis section discusses stacking technology in greater detail than the information presented in theprevious sect

Traditional stack topologiesBrocade traditional stack technology supports both linear and ring stack topologies. Because theunicast switching follows

Standby controllerIn addition to the active controller, another stack member is elected as the standby controller. After adefault interval of 30 secon

Active controller and standby controller resetsIf the active controller is reset or removed from the stack, the entire stack reloads and active contro

• Addition or removal of units in a stack• Removal or disconnection of the stacking cable between the active and standby controllersDuring such events