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Foundry Networks NetIron MLX-16, Installation And Configuration Manual

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Foundry Networks NetIron MLX-16 Installation And Configuration Manual Download Page 7

Contents

December 2008

© 2008 Foundry Networks, Inc.

-vii

D

ISPLAYING

 M

ANAGEMENT

 M

ODULE

 CPU U

SAGE

 .....................................................................................5-21

E

NABLING

 

AND

 D

ISABLING

 P

ACKET

 L

OGGING

 

FOR

 M

ANAGEMENT

 

AND

 I

NTERFACE

 M

ODULES

 .......................5-21

D

ISPLAYING

 

A

 P

ACKET

 L

OG

 ................................................................................................................5-22

R

EMOVING

 MAC A

DDRESS

 E

NTRIES

 .........................................................................................................5-24

C

HAPTER

 6

M

AINTAINING

 

A

 N

ET

I

RON

 MLX S

ERIES

 R

OUTER

.......................................... 6-1

H

ARDWARE

 M

AINTENANCE

 S

CHEDULE

 .........................................................................................................6-1

C

LEANING

 

THE

 F

IBER

-O

PTIC

 C

ONNECTORS

 .................................................................................................6-2

R

EPLACING

 

A

 M

ANAGEMENT

 M

ODULE

 .........................................................................................................6-2

R

EMOVING

 

A

 M

ANAGEMENT

 M

ODULE

 ....................................................................................................6-2

I

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A

 N

EW

 M

ANAGEMENT

 M

ODULE

 ...........................................................................................6-3

R

EPLACING

 

AN

 I

NTERFACE

 M

ODULE

 ............................................................................................................6-3

R

EMOVING

 

AN

 I

NTERFACE

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ODULE

 .......................................................................................................6-4

I

NSTALLING

 

A

 N

EW

 I

NTERFACE

 M

ODULE

 ................................................................................................6-4

R

EPLACING

 

A

 S

WITCH

 F

ABRIC

 M

ODULE

 .......................................................................................................6-8

R

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A

 S

WITCH

 F

ABRIC

 M

ODULE

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I

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A

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EW

 S

WITCH

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ABRIC

 M

ODULE

 ........................................................................................6-8

R

EPLACING

 

A

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IBER

-O

PTIC

 T

RANSCEIVER

 ...................................................................................................6-9

R

EMOVING

 

A

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IBER

-O

PTIC

 T

RANSCEIVER

 ..............................................................................................6-9

I

NSTALLING

 

A

 N

EW

 F

IBER

-O

PTIC

 T

RANSCEIVER

 .....................................................................................6-9

C

ABLING

 

A

 F

IBER

-O

PTIC

 T

RANSCEIVER

 ...............................................................................................6-10

R

EPLACING

 

A

 P

OWER

 S

UPPLY

 ..................................................................................................................6-10

D

ETERMINING

 W

HICH

 P

OWER

 S

UPPLY

 F

AILED

 ....................................................................................6-10

S

ETTING

 

THE

 T

HRESHOLD

 

FOR

 P

OWER

 S

UPPLY

 M

ONITORING

 ..............................................................6-10

C

LEARING

 P

OWER

 S

UPPLY

 F

AILURE

 T

IMESTAMPS

 ...............................................................................6-11

D

ISPLAYING

 P

OWER

 S

UPPLY

 M

ONITORING

 T

IMESTAMPS

 ......................................................................6-11

E

NABLING

 

A

 P

OWER

 S

UPPLY

 S

HUTDOWN

 ............................................................................................6-11

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OWERING

 

ON

 

THE

 P

OWER

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UPPLY

 

THROUGH

 

THE

 CLI  ......................................................................6-12

R

EPLACING

 

A

 P

OWER

 S

UPPLY

 ............................................................................................................6-12

R

EPLACING

 F

AN

 A

SSEMBLIES

 ....................................................................................................................6-14

R

EPLACING

 F

AN

 A

SSEMBLIES

 

IN

 

THE

 N

ET

I

RON

 MLX-32  ......................................................................6-14

R

EPLACING

 F

AN

 A

SSEMBLIES

 

IN

 

THE

 N

ET

I

RON

 MLX-16  ......................................................................6-15

R

EPLACING

 

THE

 R

EAR

 F

AN

 A

SSEMBLIES

 

IN

 

THE

 N

ET

I

RON

 MLX-16 ............................................... 6-16

R

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THE

 F

RONT

 F

AN

 A

SSEMBLY

 

IN

 

THE

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ET

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RON

 MLX-16 ................................................ 6-17

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THE

 F

AN

 T

RAY

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SSEMBLY

 

IN

 

THE

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ET

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RON

 MLX-4 

AND

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ET

I

RON

 MLX-8 ..........................6-17

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IR

 F

ILTERS

 

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RON

 MLX S

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 ......................................................6-19

R

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 MLX-32 ................................................................ 6-19

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RON

 MLX-16 .................................................................. 6-21

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THE

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 MLX-4 

OR

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 MLX-8..................................... 6-22

C

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 7

U

PGRADING

 S

OFTWARE

 I

MAGES

 

AND

 C

ONFIGURATION

 F

ILES

....................... 7-1

SNMP 

ON

 S

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WITH

 NI-MLX-1G

X

48-T M

ODULES

 ..............................................................................7-2

S

OFTWARE

 I

MAGES

 R

EQUIRED

 ....................................................................................................................7-2

I

MAGES

 

AND

 P

ROCEDURES

 R

EQUIRED

 ..................................................................................................7-3

Summary of Contents for NetIron MLX-16

Page 1: ...undry NetIron MLX Series Installation and Basic Configuration Guide NetIron MLX 4 NetIron MLX 8 NetIron MLX 16 NetIron MLX 32 Release 04 0 00 Release Date December 17 2008 Publish Date December 31 200...

Page 2: ...itted to use these Marks without the prior written consent of Foundry or such appropriate third party Foundry Networks BigIron Terathon FastIron IronView JetCore NetIron SecureIron ServerIron TurboIro...

Page 3: ...IEW 2 1 PRODUCT OVERVIEW 2 1 NETIRON MLX SERIES ROUTER APPLICATIONS 2 2 HARDWARE FEATURES 2 2 CHASSIS 2 2 NETIRON MLX 4 2 6 NETIRON MLX 8 2 6 NETIRON MLX 16 2 6 NETIRON MLX 32 2 7 MANAGEMENT MODULES 2...

Page 4: ...LX 4 CHASSIS IN A RACK 3 5 PREPARING TO MOUNT A NETIRON MLX 4 CHASSIS IN A RACK 3 5 REMOVING NETIRON MLX 4 EXTRA SHIPMENT SCREWS 3 5 MOUNTING A NETIRON MLX 4 CHASSIS IN A RACK 3 5 REMOVING THE SLOT BL...

Page 5: ...9 CABLING INFRASTRUCTURE 3 29 INSTALLATION LOCATION 3 29 UNPACKING A NETIRON MLX 32 ROUTER 3 29 UNCRATING THE NETIRON MLX 32 CHASSIS 3 30 INSTALLING A NETIRON MLX 32 CHASSIS IN A RACK 3 31 PREPARING T...

Page 6: ...ODULES 5 1 MANAGING THE NETIRON MLX SERIES CHASSIS 5 1 DISPLAYING CHASSIS STATUS AND TEMPERATURE READINGS 5 1 DISPLAYING THE SYSLOG CONFIGURATION AND STATIC AND DYNAMIC BUFFERS 5 4 STATIC AND DYNAMIC...

Page 7: ...WER SUPPLY 6 10 DETERMINING WHICH POWER SUPPLY FAILED 6 10 SETTING THE THRESHOLD FOR POWER SUPPLY MONITORING 6 10 CLEARING POWER SUPPLY FAILURE TIMESTAMPS 6 11 DISPLAYING POWER SUPPLY MONITORING TIMES...

Page 8: ...RFACE MODULES AT THE SAME TIME 7 24 UPGRADING ALL LP FPGA IMAGES AT THE SAME TIME 7 24 UPGRADING THE FPGA IMAGES ONE IMAGE AT A TIME 7 24 REBOOTING THE MANAGEMENT MODULE 7 26 HITLESS OS UPGRADE 7 27 C...

Page 9: ...MEDIES FOR TFTP TRANSFERS 7 39 CHAPTER 8 HARDWARE SPECIFICATIONS 8 1 HARDWARE SPECIFICATIONS 8 1 POWER SPECIFICATIONS 8 1 PHYSICAL DIMENSIONS 8 3 OPERATING ENVIRONMENT 8 4 STORAGE ENVIRONMENT 8 4 SAFE...

Page 10: ...Foundry NetIron MLX Series Installation and Basic Configuration Guide x 2008 Foundry Networks Inc December 2008...

Page 11: ...er This guide assumes a working knowledge of Layer 2 and Layer 3 switching and routing concepts Nomenclature This guide uses the following typographical conventions to show information Italic highligh...

Page 12: ...e of the following options Web Access If you find errors in this document please report the error by going to kp foundrynet com After you login in click Cases Create a New Ticket Make sure you specify...

Page 13: ...th inbound and outbound user packets at a full 10Gbps thereby delivering true wire speed performance IPv4 routing with very large hardware based forwarding table and powerful hardware based ACL and ra...

Page 14: ...ries Router Applications The NetIron MLX Series router is commonly deployed in the following situations Layer 2 metro networks MPLS Layer 3 VPN service provider networks supporting multi VRFs and RFC...

Page 15: ...bric Slot 1 Switch Fabric Slot 2 Management Slot 1 Management Slot 2 ESD Connector NetIron MLX 8 Interface Slot 1 Interface Slot 2 Interface Slot 4 Switch Fabric Slot 1 Switch Fabric Slot 3 Interface...

Page 16: ...ron MLX 16 Interface Slot 1 Interface Slot 3 Interface Slot 5 Interface Slot 7 Switch Fabric Slot 1 Switch Fabric Slot 3 Interface Slot 9 Interface Slot 11 Interface Slot 13 Interface Slot 15 Interfac...

Page 17: ...ric Slot 2 Interface Slot 2 Interface Slot 4 Interface Slot 6 Interface Slot 8 ESD Strap Connector Switch Fabric Slot 5 Interface Slot 23 Interface Slot 21 Interface Slot 19 Interface Slot 17 Switch F...

Page 18: ...The slot blank covers a slot that does not currently have a module installed in it ensuring proper airflow within the chassis A fan tray assembly which is located in the front right side of the chass...

Page 19: ...igure 2 2 Figure 2 3 and Figure 2 4 show the NetIron MLX Series chassis and the slots into which you install the various modules You must install the primary power supplies and the redundant power sup...

Page 20: ...any of the other NetIron MLX Series chassis You cannot use management modules designed for the NetIron MLX 32 in any other Foundry device because it will not function properly A management module is h...

Page 21: ...t interfaces the control plane only and not the data plane LEDs Table 2 1 describes the LEDs on the management module s front panel Table 2 1 Management Module LEDs LED Position State Meaning Port 1 a...

Page 22: ...shared between NetIron MLX 4 NetIron MLX 8 NetIron MLX 16 and NetIron MLX 32 The interface modules are hot swappable which means you can remove and replace them without powering down the system 10 Gig...

Page 23: ...ns two or four physical ports through which you can connect your NetIron MLX Series router to other network devices at a speed of 10 Gigabits Into a physical port you must insert a fiber optic transce...

Page 24: ...LC target range 300m over multi mode fiber 10G XFP LR 1310nm serial pluggable XFP optic LC for up to 10km over single mode fiber 10G XFP ER 1550nm serial pluggable XFP optic LC for up to 40km over si...

Page 25: ...iber LC connector E1MG LHB 1000Base LHB SFP optic single mode fiber LC connector 150km Maximum Reach E1MG BXU 1000Base BXU SFP optic single mode fiber 1310nm LC connector This optic can only be connec...

Page 26: ...rts of 1GbE The front panel includes eight Mini RJ 21 connectors that support six 1 Gigabit Ethernet ports each A cable connects from the RJ 21 connector on the interface module to a Mini RJ 21 connec...

Page 27: ...DH Figure 2 10 highlights the following features of the OC 12c OC 48c POS interface module front panels 2 4 or 8 ports that can accommodate SFP optics for the OC 12c OC 48c modules A single LED to ind...

Page 28: ...l TX Pkt RX Pkt and Carrier Rcvd Remote Fail 2 IN and 2 OUT RJ 48C connectors to provide an BITS external clock source and to propagate a common clock source Line or BITS among POS modules Power Activ...

Page 29: ...ce modules contain a single Power LED for the entire module and 4 LEDs per port to indicate port status as shown in Figure 2 10 and Figure 2 11 and described in Table 2 8 Table 2 8 POS Module LEDs LED...

Page 30: ...t as defined by column position Green Laser signal is being received at the specified port Yellow Laser signal is being received at the specified port with an alarm Off Laser signal is not being recei...

Page 31: ...ut ports labeled OUT provide clocking to another POS Interface module Configuration of the internal and external clocking and timing options are described in the chapter titled Using Packet Over SONET...

Page 32: ...onnected equipment is in the same building as the unit Switch Fabric Module The following switch fabric modules are available for NetIron MLX Series routers Table 2 11 BITS IN Port Pin Assignments Pin...

Page 33: ...switch fabric modules NOTE The switch fabric modules used for the NetIron MLX 4 are a different part than those used on the NetIron MLX 8 NetIron MLX 16 and NetIron MLX 32 Also the switch fabric modu...

Page 34: ...32 are new parts and will be released shortly Please check with Foundry Networks for availability of these parts NOTE Only the NetIron MLX 8 and the NetIron MLX 16 power supplies are interchangeable...

Page 35: ...ron MLX Series is configured as described NetIron MLX 4 Is equipped with a fan module containing two 4 speed fans and two fan controllers to support redundancy NetIron MLX 8 Is equipped with a fan mod...

Page 36: ...nd Basic Configuration Guide 2 24 2008 Foundry Networks Inc December 2008 Figure 2 14 Fan Component Locations for the NetIron MLX 8 Figure 2 15 Front Fan Component Locations for the NetIron MLX 16 Net...

Page 37: ...Product Overview December 2008 2008 Foundry Networks Inc 2 25 Figure 2 16 Rear Fan Component Locations for the NetIron MLX 16 Fan Modules...

Page 38: ...ure reading Depending on the temperature readings for the modules the system can do the following Leave the fan speed as is Increase the fan speed Decrease the fan speed Shut down a module to prevent...

Page 39: ...pped equipped for mounting in a standard 19 inch EIA310 D rack as described The NetIron MLX 4 and NetIron MLX 8 are equipped with built in mounting brackets The NetIron MLX 16 and NetIron MLX 32 chass...

Page 40: ...Foundry NetIron MLX Series Installation and Basic Configuration Guide 2 28 2008 Foundry Networks Inc December 2008...

Page 41: ...n the one supplied with the device make sure you use a power cord displaying the mark of the safety agency that defines the regulations for power cords in your country The mark is your assurance that...

Page 42: ...supply circuits add the ampere amp ratings of all devices installed on the same circuit as the device Compare this total with the rating limit for the circuit The maximum ampere rat ings are usually...

Page 43: ...tor provided with the chassis attached to one end with the other end attached to building ground The connector must be crimped with the proper tool allowing it to be connected to both ground screws on...

Page 44: ...tructions If a chassis is installed within a perforated enclosure the perforations must have openings of at least 60 percent of the surface NOTE This equipment is suitable for installation in a Networ...

Page 45: ...he modules and AC power supplies if necessary In a standard 19 inch EIA310 D rack you can install up to ten NetIron MLX 4 chassis For each NetIron MLX 4 chassis that you install in a rack you must pro...

Page 46: ...and the rack Figure 3 2 Positioning the Screws in a Rack 3 Starting with the chassis that you want to mount in the lowest position in the rack mount the chassis in the rack as shown in Figure 3 3 With...

Page 47: ...MLX 4 Modules This section provides one procedure that applies to all modules The sequence for installing more than one module is important to ensure proper fit The recommended sequence for the NetIr...

Page 48: ...and ground yourself by inserting the plug into the ESD connector on the chassis front 2 Remove the module from its packaging 3 With the ejectors in the outward position insert the module into the app...

Page 49: ...er Supply in a NetIron MLX 4 Chassis 4 After the power supply is fully inserted push the power supply front panel toward the back of the chassis This action causes the power supply connector to seat i...

Page 50: ...e of a DC to DC power supply DC power must be supplied at 48 V and 30 A The DC to DC supply provides the DC power to the chassis at 12 V and 100 A WARNING The procedure in this section is for qualifie...

Page 51: ...crimping the ground wire into the provided ground lug insure the bare copper wire has been cleaned and antioxidant is applied to the bare wire Figure 3 8 Crimping the Power Supply Wire in the Lug 4 Re...

Page 52: ...sides front and the back of the chassis and walls or other obstructions If a chassis is installed within a perforated enclosure the perforations must have openings of at least 60 percent of the surfa...

Page 53: ...8 chassis Foundry recommends mounting a chassis in a rack before installing the modules and AC power supplies if necessary In a standard 19 inch EIA310 D rack you can install up to six NetIron MLX 8 c...

Page 54: ...nd the rack Figure 3 10 Positioning the Screws in a Rack 3 Starting with the chassis that you want to mount in the lowest position in the rack mount the chassis in the rack as shown in Figure 3 11 Wit...

Page 55: ...a safe place for future use Installing NetIron MLX 8 Modules This section provides one procedure that applies to all modules The sequence for installing more than one module is important to ensure pro...

Page 56: ...RNING For safety reasons the ESD wrist strap should contain a 1 meg ohm series resistor A large flat head screwdriver To install a module in the NetIron MLX 8 chassis do the following 1 Put on the ESD...

Page 57: ...sing the guides provided on either side of the slot CAUTION Carefully follow the mechanical guides on each side of the power supply slot and make sure the power supply is properly inserted in the guid...

Page 58: ...e one supplied with the device make sure you use a power cord displaying the mark of the safety agency that defines the regulations for power cords in your country The mark is your assurance that the...

Page 59: ...to both ground screws on the enclosure Before crimping the ground wire into the provided ground lug insure the bare copper wire has been cleaned and antioxidant is applied to the bare wire Figure 3 16...

Page 60: ...s and walls or other obstructions If a chassis is installed within a perforated enclosure the perforations must have openings of at least 60 percent of the surface If you will be using a mechanical li...

Page 61: ...revent it from becoming unstable or falling over WARNING Mount the devices you install in a rack or cabinet as low as possible Place the heaviest device at the bottom and progressively place lighter d...

Page 62: ...the four screws for each chassis according to the spacings of the keyhole slots on the mounting brackets as shown in Figure 3 18 Do not secure the screws completely leave approximately 1 4 inch of cle...

Page 63: ...d screwdriver 2 Pull the slot blank out of the chassis and store it in a safe place for future use Installing NetIron MLX 16 Modules This section provides one procedure that applies to all modules The...

Page 64: ...r safety reasons the ESD wrist strap should contain a 1 meg ohm series resistor A large flat head screwdriver To install a module in the NetIron MLX 16 chassis do the following 1 Put on the ESD wrist...

Page 65: ...chassis and working your way towards the right See NetIron MLX 16 Chassis on page 2 4 for slot locations NOTE Any empty slots must contain slot blanks to ensure proper air flow within the chassis Rule...

Page 66: ...to latch into the backplane connector 5 For information about connecting power to the chassis see Connecting AC Power to a NetIron MLX 16 Chassis below 6 For information about powering on the system s...

Page 67: ...Connecting DC Power to a NetIron MLX 16 Chassis You can use a DC power source for the NetIron MLX 16 chassis This is supported through use of a DC to DC power supply DC power must be supplied at 48 V...

Page 68: ...proper tool allowing it to be connected to both ground screws on the enclosure Before crimping the ground wire into the provided ground lug insure the bare copper wire has been cleaned and antioxidant...

Page 69: ...inches of space between the sides front and the back of the chassis and walls or other obstructions If a chassis is installed within a perforated enclosure the perforations must have openings of at l...

Page 70: ...17 inches so that it will fit between the rack mount rails A strap to stabilize the chassis while being moved on the mechanical lift A power drill A large Phillips screwdriver attachment A 7 16 inch...

Page 71: ...ing this task you should have an assembled rack and a 2 Phillips head screwdriver Attaching Mounting Brackets to a NetIron MLX 16 or NetIron MLX 32 Chassis The NetIron MLX 16 and NetIron MLX 32 chassi...

Page 72: ...t plate as close to the front of the chassis as possible Adjust the lift plate height to be even with the bottom of the chassis 5 Slide the chassis onto the lift plate WARNING Four or more people are...

Page 73: ...hassis or a management module intended for another Foundry chassis in the NetIron MLX Series chassis the chassis and module will not function properly If you are installing a redundant management modu...

Page 74: ...oper fit in the NetIron MLX 32 chassis When populating the NetIron MLX 32 start with the middle slot and work towards the edge Always fill the bottom slots of the upper and lower card cage of the NetI...

Page 75: ...C OK DC OK ALM AC OK DC OK ALM AC OK DC OK ALM AC OK DC OK ALM AC OK DC OK ALM Switch Fabric Slot 1 Switch Fabric Slot 3 Interface Slot 7 Interface Slot 5 Interface Slot 9 Interface Slot 11 Power Supp...

Page 76: ...MLX 32 Cable Management NetIron MLX 32 cable management is designed to ensure access to the power supplies at the bottom of the chassis and to keep the air inlet clear in the center of the chassis th...

Page 77: ...ry Networks Inc 3 37 Figure 3 29 NetIron MLX 32 Cable Routing Diagram Details of cable routing are as follows CAUTION Be sure not to exceed the minimum recommended bend radius for the cables 2 for MRJ...

Page 78: ...g for the Upper left Quadrant Route slot cards in the numerical order starting with the cables of Slot Card 1 1 Route slot cards 1 and 2 cables directly to the left through the side comb See Figure 3...

Page 79: ...Routing Upper left Quadrant Cables Up 2 Route slot card 3 and 4 cables up through Comb A See Figure 3 31 3 Route slot card 5 and 6 cables up through Comb B 4 Route slot card 7 and 8 cables up through...

Page 80: ...e Upper right Quadrant Route slot cards in the numerical order starting with the cables of Slot Card 15 1 Route slot card 15 and 16 cables directly to the right through the side comb See Figure 3 32 F...

Page 81: ...g Upper right Quadrant Cables Up 2 Route slot card 13 and 14 cables up through Comb A See Figure 3 33 3 Route slot card 11 and 12 cables up through Comb B 4 Route slot card 9 and 10 cables up through...

Page 82: ...orks Inc December 2008 Cable Routing for the Lower left Quadrant 1 Route slot card 18 and 17 cables directly to the left through the side comb See Figure 3 34 Figure 3 34 Routing Lower left Quadrant C...

Page 83: ...wer left Quadrant Cables Down 2 Route slot card 20 and 19 cables down through Comb A See Figure 3 35 3 Route slot card 22 and 21 cables down through Comb B 4 Route slot card 24 and 23 cables down thro...

Page 84: ...Inc December 2008 Cable Routing for the Lower right Quadrant 1 Route slot card 32 and 31 cables directly to the right through the side comb See Figure 3 36 Figure 3 36 Routing the Lower right Quadran...

Page 85: ...sential before connecting supply NOTE The 2400W AC and DC power supplies for the NetIron MLX 32 are new parts and will be released shortly Please check with Foundry Networks for availability of these...

Page 86: ...tor to seat into the backplane connector 6 Gently pull the release latch on the power supply front panel upward and toward the top of the power supply front panel This action locks the power supply in...

Page 87: ...MLX 32 Power Supply Receptacle and Cord Retainer Connecting DC Power to a NetIron MLX 32 Chassis You can use a DC power source for the NetIron MLX 32 chassis This is supported through use of a DC to...

Page 88: ...nector provided with the chassis attached to one end with the other end attached to building ground The connector must be crimped with the proper tool allowing it to be connected to both ground screws...

Page 89: ...and either Telnet or SSH This enables you to manage the device through the 10BaseT 100BaseTX 1000BaseTX Ethernet management port using either Telnet or SSH You can connect the NetIron MLX Series route...

Page 90: ...e 8 6 To attach a PC or terminal to the Console port or Ethernet port do the following 1 Connect a PC or terminal to the Console port or Ethernet port using the appropriate cable 2 Open the terminal e...

Page 91: ...management modules and the interface modules Therefore the system does not have a separate on off power switch To turn the system off simply unplug the power cord s NOTE The wall outlet should be ins...

Page 92: ...n A link is established with the remote port Off A link is not established with the remote port You can do the following Verify that the connection to the other device has been properly made Also make...

Page 93: ...ration as described in Installing Power Supplies in a NetIron MLX 4 Chassis on page 3 9 Installing Power Supplies in the NetIron MLX 8 Chassis on page 3 17 Installing Power Supplies in a NetIron MLX 1...

Page 94: ...for an extended period At this stage of the installation you have not yet cabled the interface module ports so this LED will be off After cabling this port if this LED is off the port is not transmit...

Page 95: ...e replaced ALM ALM The power supply is in normal operating condition Amber The power supply is malfunctioning Power Supplies DC DC IN Green steady The power supply is receiving DC power from a DC powe...

Page 96: ...56 2008 Foundry Networks Inc December 2008 ALM Off The power supply is in normal operating condition Amber The power supply is malfunctioning Table 3 5 Desired and Abnormal LED States After System Pow...

Page 97: ...control module two LEDs on rear panel of chassis Unlabeled Green steady The fans are working and responding to controls from the fan control module Off or amber The fans are not receiving power off or...

Page 98: ...e and interface module CARD_STATE_SYNC The system is currently synchronizing the module s IronWare images between the management module and interface module CARD_STATE_SOFTWARE_LOADED The module has l...

Page 99: ...LI is not protected by passwords To secure CLI access Foundry strongly recommends assigning passwords For additional information on security see the Foundry Security Guide The CLI contains the followi...

Page 100: ...nable super user password text NOTE You must set the super user password before you can set other types of passwords 4 Enter the following commands to set the port configuration and read only password...

Page 101: ...management module becomes unavailable and the redundant module becomes the active module the IP address is assigned to the new active management module port For example to assign the IP address 10 0...

Page 102: ...Ethernet interface 1 1 do the following 1 At the opening CLI prompt enter enable NetIron enable 2 Enter the following command at the Privileged EXEC level prompt then press Enter This command erases t...

Page 103: ...e not aware of the management port s static or directly connected routes If you configure the redistribution of directly connected or static routes for a particular routing protocol the routing protoc...

Page 104: ...tic port connectors and store the covering for future use 2 Before cabling a fiber optic module Foundry strongly recommends cleaning the cable connectors and the port connectors For more information s...

Page 105: ...transmit port on the other network device If you are not certain remove the two cable connectors from the port connector and reinsert them in the port connector reversing their order Dust may have ac...

Page 106: ...4 byte hex brief Beginning with version 03 6 00 of the Multi Service IronWare software the maximum allowable size is 9170 NOTE If you address the ping to the IP broadcast address the device lists the...

Page 107: ...ling packet logging for management and interface modules Removing MAC address entries Managing the NetIron MLX Series Chassis You can perform the following management tasks for the NetIron MLX Series...

Page 108: ...er Usage Slot1 pri 1 module type NI MLX 1Gx20 GC 20 port 10 100 1000 Copper Module power usage 156W Slot4 pri 1 module type NI X OC48x8 8 port OC48 12 STM16 STM4 Module power usage 230W FANS right fan...

Page 109: ...is functioning properly and supplying power to the chassis and installed modules Failed The power supply is not functioning and is not supplying power to the chassis and installed modules not present...

Page 110: ...out fans in the NetIron MLX Series chassis Status The status of a fan can be one of the following OK The fan is functioning properly and is keeping the temperature of each module within an acceptable...

Page 111: ...abled of the Syslog buffer messages dropped The number of Syslog messages dropped due to user configured filters By default the software logs messages for all Syslog levels You can disable individual...

Page 112: ...tion about the NetIron MLX Series cooling system Configuring the Cooling System The NetIron MLX Series router provides default settings for all cooling system parameters Therefore no initial configura...

Page 113: ...uts down the modules to prevent damage For information about temp poll period command see Changing the Temperature Polling Interval on page 5 11 If the temperature of a management module the switch fa...

Page 114: ...or the management modules mp cpu Changes low and high temperature thresholds for the management module s CPU switch fabric Changes low and high temperature thresholds for the switch fabric module For...

Page 115: ...or the high speed 83 C is higher than the high temperature threshold 82 C for the medium high speed Displaying Temperature Thresholds for Modules and Fan Speeds To check the current settings of the lo...

Page 116: ..._count 1 shut_off_count 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Thermal Sensor Control Block THERMAL_SENSOR_TEST_RULE_LP_XPP Fan Speed Low 1 50 Fan Speed Med 45 65 Fan Speed Med Hi 60 75 Fan Speed Hi 70 113 s...

Page 117: ...f the CLI allows you to manually set the speed of the fans For example to set the speed of fan 0 to medium high enter the following command NetIron set fan speed med hi Syntax set fan speed fan speed...

Page 118: ...he high temperature threshold for any of the fan speeds the system sends a warning message to the system log and an SNMP trap For more information about the low and high temperature thresholds see Cha...

Page 119: ...re thresholds are crossed The log message has also been improved with this release to include the speed that the fan has been changed to Details about how to set temperature thresholds and default thr...

Page 120: ...Multi Service IronWare image in its code flash by default the NetIron MLX Series system synchronizes or prompts you to synchronize the interface modules Multi Service IronWare images between the mana...

Page 121: ...n When this command is not issued the default behavior allows the interface module to continue forwarding packets for an extended time after the router is reloaded NOTE You do not need to change the s...

Page 122: ...ivileged EXEC level of the CLI NetIron lp boot system mp primary 1 Syntax lp boot system mp primary secondary slot number The primary and secondary keywords specify the primary or secondary Multi Serv...

Page 123: ...set and each reload or reset after that Configuring an Automatic Boot from the Management Module s PCMCIA Slot For example to configure an automatic boot for all interface modules from the management...

Page 124: ...for NetIron MLX 32 Configuring an Automatic Interactive Boot For example to configure an automatic interactive boot for all interface modules enter the following command at the global CONFIG level of...

Page 125: ...ber parameter indicates the chassis slot number for which you are reenabling the power You can specify 1 4 for NetIron MLX 4 1 8 for NetIron MLX 8 1 16 for NetIron MLX 16 or 1 32 for NetIron MLX 32 En...

Page 126: ...c idle 755423 100 monitor 13 0 wd 46 0 flash 0 0 dbg 6 0 boot 92 0 main 0 0 itc 0 0 tmr 588 0 ip_rx 211 0 scp 36 0 console 54 0 vlan 0 0 mac_mgr 38 0 mrp 0 0 vsrp 0 0 snms 71 0 rtm 640 0 rtm6 40 0 ip_...

Page 127: ...8192 0 0 0 int 16 susp 0000c658 04051f90 16384 0 0 0 timer 15 susp 0000c658 04055f90 16384 0 0 0 dbg 30 susp 0000c658 0404df10 8192 0 0 0 flash 17 susp 0000c658 0409cf98 8192 0 0 0 wd 31 susp 0000c658...

Page 128: ...ogging using the start keyword you can optionally specify the flash keyword to copy the packet log in the system s memory to the management module s flash memory The name of the packet log in the mana...

Page 129: ...packet records TX Assist Header 0x11f ver 0 priority 0 pkt_type ARP packet Foundry Header fid 0x82 priority 3 sac 0 monitor 0 ipc_flag 0x1f reserved 0 pri_tagged 0 multicast_vid 0 protocol_type 0x2 u...

Page 130: ...l VLANs Specify the MAC address in the following format HHHH HHHH HHHH Use the ethernet slot port parameter to remove all MAC addresses for a specified Ethernet port For the slot parameter enter the n...

Page 131: ...placing the air filters WARNING The procedures in this manual are for qualified service personnel Hardware Maintenance Schedule The NetIron MLX Series routers require minimal maintenance for its hardw...

Page 132: ...which means that you must install it in the NetIron MLX Series chassis only If you attempt to install the NetIron MLX Series management module in another Foundry device the chassis and module will no...

Page 133: ...For safety reasons the ESD wrist strap should contain a 1 meg ohm series resistor A large flat head screwdriver To install a new management module in the NetIron MLX Series chassis do the following 1...

Page 134: ...y move the cables from the lower card cage over as shown in Figure 6 1 Figure 6 1 Interface Module Access To remove an interface module from the NetIron MLX Series chassis do the following 1 Put on th...

Page 135: ...slide the card along the card guide until the ejectors on either side of the module move close to the module front panel 4 Push the ejectors in the directions shown in Figure 6 3 until they are flush...

Page 136: ...llation and Basic Configuration Guide 6 6 2008 Foundry Networks Inc December 2008 Figure 6 2 Installing a Module in a NetIron MLX 4 Chassis Figure 6 3 Installing a Module in a NetIron MLX 8 Chassis In...

Page 137: ...Foundry Networks Inc 6 7 Figure 6 4 Installing a Module in a NetIron MLX 16 Chassis Figure 6 5 Installing a Module in a NetIron MLX 32 Chassis Interface Module Pwr Active Pwr Active Pwr Active Pwr Act...

Page 138: ...fety reasons the ESD wrist strap should contain a 1 meg ohm series resistor A large flat head screwdriver To remove a switch fabric module from the NetIron MLX Series chassis do the following 1 Disabl...

Page 139: ...fiber optic transceiver Installing a new fiber optic transceiver Cabling a fiber optic transceiver Removing a Fiber Optic Transceiver Before removing a fiber optic transceiver have the following on ha...

Page 140: ...on and running The power supplies AC or DC are located in slots along the bottom of the NetIron MLX 32 NetIron MLX 16 and NetIron MLX 8 chassis and in the rear of the NetIron MLX 4 chassis CAUTION If...

Page 141: ...upplies enter the following command NetIron config power supply monitoring clear all This will clear all collected failure timestamps for all available Power Supplies Are you sure enter y or n y You a...

Page 142: ...ough power remaining in the system Syntax power on power supply decimal The decimal variable specifies a power supply index number Replacing a Power Supply To replace a power supply you need the follo...

Page 143: ...on either side of the slot CAUTION Carefully follow the mechanical guides on each side of the power supply slot and make sure the power supply is properly inserted in the guides Never insert the powe...

Page 144: ...n MLX 32 rear fan modules allows access to bus bars and backplane Avoid con tact with these parts There are hazardous energy levels at these locations The NetIron MLX 32 has ten fan assemblies that pu...

Page 145: ...assembly to the chassis by replacing and tightening the four screws on the upper eight fan assemblies and the two screws on the lower two fan assemblies 6 Check the fan status LED in the lower left c...

Page 146: ...d ground yourself by inserting the plug into the ESD connector on the front of the chassis 2 Using the flathead screwdriver loosen the four captive screws that secure the fan assembly to the chassis f...

Page 147: ...nt Fan Assembly 4 Insert the new fan assembly into the fan slot and push the assembly in until the face plate is flush with the chassis Pushing the assembly in seats the fan connector with the chassis...

Page 148: ...To replace a fan tray assembly in the NetIron MLX 4 and NetIron MLX 8 do the following 1 Put on the ESD wrist strap and ground yourself by inserting the plug into the ESD connector located on the fro...

Page 149: ...perform this task you need the following A 7 64 hex head screwdriver Replacement air filters which you can order from Foundry Procedures for replacing the air filters are described in the following se...

Page 150: ...r by pulling it straight out as shown in Figure 6 13 3 Insert a new filter being careful that it aligns within the narrow channel 4 Repeat steps 2 3 with the second filter 5 Replace the air inlet cove...

Page 151: ...e NetIron MLX 16 do the following 1 Loosen the two screws in the front of the filter retainer 2 Pull the filter retainer away from the chassis as shown in Figure 6 14 There is a hook on the back of th...

Page 152: ...he direction of airflow in the chassis Since air is pulled through the chassis the arrow must point up towards the fan tray 5 Attach the hook on the back of the filter retainer to the filter grab stra...

Page 153: ...acement air filter by sliding it along the metal guides The filter is marked with an arrow The arrow indicates how the filter should be installed in regards to the direction of airflow in the chassis...

Page 154: ...Foundry NetIron MLX Series Installation and Basic Configuration Guide 6 24 2008 Foundry Networks Inc December 2008...

Page 155: ...le 7 1 Software Image Files Module Image Type Image Name Management Module NetIron MLX 4 8 16 Monitor xmb xxxxx Boot xmprm xxxxx IronWare xmr xxxxx FPGA mbridge Management Module NetIron MLX 32 Monito...

Page 156: ...onWare image now contains both management module and interface module IronWare images Using this single bundled image simplifies upgrading the system reduces the chance of operator error ensures that...

Page 157: ...is sub section describes the procedures required for upgrading the management module s IronWare software image The procedures described apply to all versions of the software Upgrading the Interface Mo...

Page 158: ...escribed in Displaying Flash Memory and Version Information on page 7 6 Using this procedure you can determine the images currently installed In particular you should compare the list of FPGAs install...

Page 159: ...interface module s Monitor and Boot images Use the procedures described in Upgrading the Interface Module s Monitor and Boot Images on page 7 17 5 Upgrade the interface module s IronWare image Use the...

Page 160: ...or and Boot images Use the procedures described in Upgrading the Interface Module s Monitor and Boot Images on page 7 17 3 If required for this release upgrade the managment module s MBRIDGE FPGA imag...

Page 161: ...es Check Sum e7d2 Compiled on May 31 2007 at 14 06 48 labeled as xmlp03500b152 o Monitor Image Version 3 5 0T175 Size 387125 bytes Check Sum 27dd Compiled on Jul 10 2007 at 19 15 06 labeled as xmlb035...

Page 162: ...on about the image Version 3 5 00Txxy indicates the image version number The Txxy is used by Foundry for record keeping The xx indicates the hardware type while the y indicates the image type Size The...

Page 163: ...ry compiled the image Monitor Image Indicates the monitor image installed in the management module s code flash The image must be xmb xxxxx The output displays the following information about the imag...

Page 164: ...or secondary location in the interface module s code flash The image must be xmlp xxxxx The output displays the following information about the image Version 3 5 00Txxy indicates the image version nu...

Page 165: ...nformation The output displays the following information about the field programmable gate array FPGA images that is stored in Flash for installation on the interface modules PBIF image information Th...

Page 166: ...beled as xmlb03500 387125 bytes from code flash IronWare Version 3 5 0T177 Copyright c 1996 2007 Foundry Networks Inc Compiled on Jul 19 2007 at 19 06 10 labeled as xmlp03500 3162535 bytes from Primar...

Page 167: ...oundry Networks Inc Compiled on Dec 28 2007 at 11 04 34 labeled as xmb03500d 422393 bytes from code flash IronWare Version 3 8 0T163 Copyright c 1996 2007 Foundry Networks Inc Compiled on Mar 27 2008...

Page 168: ...333 MHz bus 512 KB Boot Flash AM29LV040B 16 MB Code Flash MT28F640J3 1024 MB DRAM 8 KB SRAM 0 Bytes BRAM PPCR0 1024K entries CAM 16384K PRAM 2048K AGE RAM LP Slot 1 uptime is 8 hours 10 minutes 19 se...

Page 169: ...ing from a release earlier than 3 8 00c to 3 9 00 and later then you should delete the mbridge old file from the flash of both active and standby MPs before starting the upgrade The upgrade may fail i...

Page 170: ...upgrade procedure Enter the following command Standby MP directory EXAMPLE NetIron dir Directory of flash 08 31 1908 13 26 14 3 snmp_boots 08 06 2008 03 42 12 705 sshdsspub key 07 30 2008 10 21 56 1 7...

Page 171: ...ore information see Rebooting the Management Module on page 7 26 Upgrading the Interface Module s Monitor and Boot Images NOTE We recommend that you perform this upgrade procedure from a PC or termina...

Page 172: ...erface modules using the all keyword the management module makes a copy of the image called lp primary 0 or lp secondary 0 and stores it in its code flash thereby synchronizing the new IronWare image...

Page 173: ...xxx file in the specified xm xxxxx software image to the primary managment module image while copying the xmlp xxxxx file to the secondary interface module image Using the mp sec option with the comma...

Page 174: ...Code Flash MT28F128J3 512 MB DRAM Active Management uptime is 53 minutes 24 seconds The highlighted lines in the output indicate that the management module currently has MBRIDGE Revision 13 installed...

Page 175: ...grade FPGA images one image at a time For information about performing this task see Upgrading the FPGA Images One Image at a Time on page 7 24 3 Reboot the interface module upon which you upgraded th...

Page 176: ...mpiled on Dec 28 2007 at 11 04 34 labeled as xmb03500d o Startup Configuration Size 2086 bytes Check Sum 613f Modified on 10 45 45 GMT 00 Thu Mar 20 2008 Boot Flash Type AM29LV040B Size 512 KB o Boot...

Page 177: ...t Slot Code Flash Type MT28F128J3 Size 32 MB o IronWare Image Primary Version 3 8 0T163 Size 6222011 bytes Check Sum 3afa Compiled on Mar 24 2008 at 07 25 34 labeled as xmr03800b198 o IronWare Image S...

Page 178: ...Modules To perform this step enter the following commands at the Privileged EXEC level of the CLI From a TFTP server to slot 1 NetIron copy tftp lp 10 10 10 10 lpfpga03900 bin fpga all all Syntax cop...

Page 179: ...lot2 lp image name fpga xpp chassis slot number If you specify the module type for example 4x10g the router copies the XPP images for that particular module only If you specify all without a module ty...

Page 180: ...r upgrading one or more software images on the management or interface modules you must reboot the management module After the management module reboots it in turn reboots the interface modules To reb...

Page 181: ...Multi Service IronWare software support hitless upgrade of the operating system on a NetIron MLX router Using this feature you can upgrade the Multi Service IronWare software without a loss of service...

Page 182: ...any disruptions of Layer 3 traffic to OSPF or BGP routes the router must be configured with OSPF Graceful Restart and BGP Graceful Restart features In addition the device s OSFP neighbors must have OS...

Page 183: ...as displayed by the management module switchover feature The Hitless OS Software Process Hitless upgrade of Multi Service IronWare software is performed in the following steps 1 Version 03 2 01 or la...

Page 184: ...nt Module MP and Interface Module LP Hitless Upgrade Process hitless reload command performed at console Reset Standby MP MP Sync Done SW info request acknowledge Reset Switchover MP Sync Done LP SW i...

Page 185: ...module to be active you must manually fail over control to it Executing the Hitless Upgrade Command To begin the process of a Hitless Upgrade use the following command NetIron config hitless reload mp...

Page 186: ...MB is used NOTE Foundry strongly recommends using the default size 8MB when configuring file size After you issue the system max command with the config file size parameter included additional informa...

Page 187: ...le to make a backup copy of the startup config file and save the backup file to a TFTP server enter a command such as the following at the Privileged EXEC level in the CLI NetIron copy startup config...

Page 188: ...you load the configuration as a startup config file instead of the running config using the copy tftp startup config ip addr filename command or ncopy tftp ip addr from name startup config command NOT...

Page 189: ...ion from a TFTP server To load the file from a TFTP server use either of the following commands copy tftp running config ip addr filename overwrite ncopy tftp ip addr filename running config Using SNM...

Page 190: ...g erases the configuration stored in the startup configuration file however the running configuration remains intact until system reboot File Synchronization This section provides details for synchron...

Page 191: ...Interface Modules An interface module can have two IronWare images primary and secondary These images contain the layer 1 3 software that the interface modules run These images reside in the interface...

Page 192: ...between the management module and all interface modules enter the following command at the Privileged EXEC level NetIron lp sync all Syntax lp sync all slot number The all keyword indicates that the i...

Page 193: ...m reload enter the following command at the Privileged EXEC level of the CLI NetIron reload cancel Diagnostic Error Codes and Remedies for TFTP Transfers If an error occurs with a TFTP transfer to or...

Page 194: ...ly attempted to copy the incorrect image code into the system Retry the transfer using the correct image 16 TFTP remote general error The TFTP configuration has an error The specific error message des...

Page 195: ...ations Port Specifications Electromagnetic Approvals Hardware Specifications This section contains the following hardware specifications for the NetIron MLX Series chassis Power Specifications Physica...

Page 196: ...A Table 8 2 Maximum Power Calculations at 200 VAC NetIron MLX Series Chassis Amps Watts BTUs Per Hour NetIron MLX 4 7 1313 4480 NetIron MLX 8 13 2607 8899 NetIron MLX 16 26 5286 18041 NetIron MLX 32 5...

Page 197: ...optic modules installed 150W 20 port Gigabit Ethernet fiber Interface with fiber optic modules installed 175W 20 port Gigabit Ethernet copper Interface 146W Fan Components NetIron MLX 4 fan tray 66W...

Page 198: ...munications Systems EN 60950 1 2001 IEC 60950 1 Safety of Information Technology Equipment Electromagnetic Approvals FCC Part 15 Subpart B Class A EN 55022 CE mark Class A EN55024 CE mark Immunity for...

Page 199: ...cable with either a DB 9 or DB 25 connector male or female Serial cable options between the NetIron MLX Series chassis and a PC or terminal are shown in Figure 8 2 NOTE As indicated in Figure 8 1 and...

Page 200: ...45 UTP connector Table 8 8 describes the connector s pin assignments For information about how you can use this port see 10 100 1000 Ethernet Port on page 2 8 Table 8 8 Management Port Pin Assignments...

Page 201: ...h case the user will be required to correct the interference at his own expense Caution Changes or modifications made to this device which are not expressly approved by the party responsible for compl...

Page 202: ...by Information Technology Equipment VCCI If this equipment is used in a domestic environment radio disturbance may arise When such trouble occurs the user may be required to take corrective actions Ko...

Page 203: ...A restricted access area is where access can be gained only by service personnel through the use of a special tool lock and key or other means of security and is controlled by the authority responsibl...

Page 204: ...indestens 6 AWG American Wire Gauge zu verwenden F r den Erdungskabelschuh ist ein UL gepr fter Panduit Crimp Anschluss Best Nr LCD6 10A und zwei 10 32 PPH 1 2 Schrauben zur Sicherung des Crimp Anschl...

Page 205: ...tener una capacidad nominal m nima para 90 C CAUTION For the DC input circuit to the system of a NetIron MLX 32 make sure there is a UL Listed 75 amp circuit breaker minimum 48Vdc double pole on the i...

Page 206: ...imez pas une carte m moire au cours d une op ration de fichier dans laquelle le slot de carte m moire est impliqu Vous risquez sinon de corrompre la carte m moire Si cela se produit vous devrez peut t...

Page 207: ...to que el instrumento Compare esta suma con el l mite nominal para el circuito Las capacidades nominales de corriente m ximas est n generalmente impresas en los instrumentos cerca de los conectores de...

Page 208: ...nfigured the command erases the configuration If you accidentally do erase the configuration on a configured system enter the write memory command to save the running configuration to the startup conf...

Page 209: ...werden um ein berhitzen des NetIron MLX 16 und 32 chassis Geh uses zu vermeiden Es d rfen nicht beide Ventilatorbleche auf einmal entfernt werden MISE EN GARDE Pour viter la surchauffe du ch ssis des...

Page 210: ...der Module nicht l sen k nnen MISE EN GARDE Si aucun module n est install dans un emplacement laisser le cache de cet emplacement en place Le syst me peut chauffer si le ch ssis est mis en service ave...

Page 211: ...it tre quip d un c t d un connecteur sertir agr fourni avec le ch ssis et l autre extr mit doit tre reli e la terre du b timent Ce connecteur doit tre serti l aide de l outil appropri afin d tre racco...

Page 212: ...nselben Steckplatz eingeschoben wird MISE EN GARDE En cas de d pose et d insertion chaud d un module attendre au moins 2 secondes entre la d pose du module d origine y compris les modules de ventilati...

Page 213: ...Issue 4 and require isolation from the exposed OSP cabling The addition of Primary Protectors is not sufficient protection in order to connect these interfaces metallically to OSP wiring ACHTUNG Die...

Page 214: ...nte que se encuentra en las p ginas 3 2 WARNING Disconnect the power cord from all power sources to completely remove power from the device ACHTUNG Ziehen Sie das Stromkabel aus allen Stromquellen um...

Page 215: ...coming unstable or falling over ACHTUNG Stellen Sie sicher dass das Gestell oder der Schrank f r die Unterbringung des Ger ts auf angemessene Weise gesichert ist so dass das Gestell oder der Schrank n...

Page 216: ...u Verletzungen des Bedieners oder Besch digung des Wechselstrom Netzteils oder anderer Ger teteile f hren AVERTISSEMENT Les alimentations lectriques sont changeables chaud Elles peuvent tre d pos es e...

Page 217: ...n e est un m canisme de verrouillage uniquement elle ne doit pas tre utilis e pour soulever et transporter le ch ssis Vous risquez d tre bless si vous essayez de soulever et de transporter un bloc d a...

Page 218: ...RNING Be careful not to accidently insert your fingers into the fan tray while removing it from the chassis The fan may still be spinning at a high speed ACHTUNG Die Finger d rfen nicht versehentlich...

Page 219: ...ssis vid de ses l ments ADVERTENCIA No trate de levantar un chasis NetIron MLX 32 Es extremadamente pesado QUITE PRIMERO LOS M DULOS DE INTERFAZ Y DE ALIMENTACI N administraci n matriz de conmutaci n...

Page 220: ...cember 2008 ADVERTENCIA Los puertos que llevan las marcas BITS1 BITS2 son circuitos de bajo voltaje de seguridad extra SELV por sus siglas en ingl s Los circuitos SELV s lo deben conectarse a otros ci...

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