Cisco Systems 2975 Switch User Manual

GETTING STARTED GUIDE
Catalyst 2975 Switch Getting Started Guide
1
About this Guide
2
Unpacking the Switch
3
Running Express Setup
4
Managing the Switch
5
Planning Switch Stacks
6
Rack-Mounting
7
In Case of Difficulty
8
Obtaining Documentation and Submitting a Service Request
1 About this Guide
This guide provides instructions on how to use Express Setup to initially configure your Catalyst switch. Also covered are switch
management options, basic rack-mounting, stacking guidelines, port and module connection procedures, and troubleshooting
help.
For additional installation and configuration information for the switch, see the Catalyst 2975 documentation on Cisco.com.
For system requirements, important notes, limitations, open and resolved bugs, and last-minute documentation updates, see the
release notes, also on Cisco.com. For translations of the warnings that appear in this publication, see the Regulatory Compliance
and Safety Information for the Catalyst 2975 Switch on the documentation CD. The product warranty information is also
included on the documentation CD.
When using the online publications, refer to the documents that match the Cisco IOS software version running on the switch.
The software version is on the Cisco IOS label on the switch rear panel.
2 Unpacking the Switch
Follow these steps:
1. Unpack and remove the switch and the accessory kit from the shipping box.
2. Return the packing material to the shipping container, and save it for future use.
3. Verify that you have received the items shown below. If any item is missing or damaged, contact your Cisco representative
or reseller for instructions.
1
ct
du on
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Series PoE-48
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5
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9
11
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Catalyst 2975G
2
1
Catalyst 2975 switch
7
Four rubber mounting feet
2
Documentation
8
Six number-8 Phillips flat-head screws
3
AC power cord
9
Four number-12 Phillips machine screws
4
Console cable
10
One black Phillips machine screw
5
Two 19-inch mounting brackets
11
Connector cover for redundant power system; two number-4 pan head screws
6
Cable guide
2
3 Running Express Setup
When you first set up the switch, you should use Express Setup to enter the initial IP information. Doing this enables the switch
to connect to local routers and the Internet. You can then access the switch through the IP address for further configuration.
You need this equipment to set up the switch:
• A PC with Windows 2000 or XP installed
• A web browser (Internet Explorer 6.0, 7.0, Firefox 1.5, 2.0, Windows Vista OS) with JavaScript enabled
• A straight-through or crossover Category 5 Ethernet cable to connect your PC to the switch
Before running Express Setup, disable any pop-up blockers or proxy settings in your browser software and any wireless client
running on your PC.
During Express Setup, the switch acts as a DHCP server. If your PC has a static IP address, change your PC settings before you
begin to temporarily use DHCP.
To run Express Setup:
Step 1
Make sure that nothing is connected to the switch.
Series PoE-48
205077
Catalyst 2975G
Step 2
Power the switch by connecting the AC power cord to
the switch power supply and to a grounded AC outlet.
STACK
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Step 3
When the switch powers on, it begins the power-on self-test (POST). During POST, the LEDs blink while tests verify
that the switch functions properly.
Wait for the switch to complete POST, which can take several minutes.
Verify that POST has completed by confirming that the SYST LED remains green. If the switch fails POST, the SYST
LED turns amber. See the “In Case of Difficulty” section on page 14 if your switch fails POST.
Step 5
Press and hold the Mode button for 3 seconds. When all
of the LEDs above the Mode button turn green, release
the Mode button.
Catalyst 2975G
Series PoE-48
205079
Step 4
Step 6
If the LEDs above the Mode button blink after you press the button, release it. Blinking LEDs mean that the switch
is already configured and cannot go into Express Setup mode. For more information, see the “Resetting the Switch”
section on page 15.
Step 7
Verify that the switch is in Express Setup mode. Make sure that all LEDs above the Mode button are green. (On
some switch models, the RPS LED remains off.)
Step 8
Connect a Category 5 Ethernet cable to any Ethernet
port on the switch front panel.
Catalyst 2975G
Series PoE-48
205080
Connect the other end of the cable to the Ethernet port
on your PC.
3
Step 9
Verify that the LEDs on both Ethernet ports are green.
Wait 30 seconds.
Step 10
Launch a web browser on your PC. Enter the IP address
10.0.0.1 in the web browser, and press Enter.
Step 11
The Express Setup Basic Settings page appears. If it does not appear, see the “In Case of Difficulty” section on
page 14.
Step 12
Enter this information in the Network Settings fields:
• In the Management Interface (VLAN ID) field, the default is 1. Enter a new VLAN ID only if you want to
change the management interface through which you manage the switch and to which you assign IP
information. The VLAN ID range is 1 to 1001.
• In the IP Address field, enter the IP address of the switch. In the IP Subnet Mask field, click the drop-down
arrow, and select an IP Subnet Mask.
• In the Default Gateway field, enter the IP address for the default gateway (router).
• Enter your password in the Switch Password field. The password can be from 1 to 25 alphanumeric characters,
can start with a number, is case sensitive, allows embedded spaces, but does not allow spaces at the beginning
or end. In the Confirm Switch Password field, enter your password again.
4
Step 13
(Optional) You can enter the Optional Settings information now or enter it later by using the device manager
interface:
• In the Host Name field, enter a name for the switch. The host name is limited to 31 characters; embedded
spaces are not allowed.
• In the System Contact field, enter the name of the person who is responsible for the switch. In the System
Location field, enter the wiring closet, floor, or building where the switch is located.
• In the Telnet Access field, click Enable if you are going to use Telnet to manage the switch by using the
command-line interface (CLI). If you enable Telnet access, you must enter a Telnet password.
• In the Telnet Password field, enter a password. The Telnet password can be from 1 to 25 alphanumeric
characters, is case sensitive, allows embedded spaces, but does not allow spaces at the beginning or end. In the
Confirm Telnet Password field, re-enter the Telnet password.
• In the SNMP field, click Enable to enable Simple Network Management Protocol (SNMP). Enable SNMP only
if you plan to manage switches by using CiscoWorks 2000 or another SNMP-based network-management
system.
If you enable SNMP, you must enter a community string in the SNMP Read Community field, the SNMP Write
Community field, or both. SNMP community strings authenticate access to MIB objects. Embedded spaces are
not allowed in SNMP community strings. When you set the SNMP read community, you can access SNMP
information, but you cannot modify it. When you set the SNMP write community, you can both access and
modify SNMP information.
Step 14
Click Submit to save your settings, or click Cancel to clear your settings.
When you click Submit, the switch is configured and exits Express Setup mode. The PC displays a warning message
and then tries to connect with the new switch IP address. If you configured the switch with an IP address that is in
a different subnet from the PC, connectivity between the PC and the switch is lost.
Step 15
Disconnect the switch from the PC, and install the switch in your network. See the “Managing the Switch” section
on page 6 for information about configuring and managing the switch.
If you need to rerun Express Setup, see the “Resetting the Switch” section on page 15.
Refreshing the PC IP Address
After you complete Express Setup, you should refresh the PC IP address:
• For a dynamically assigned IP address, disconnect the PC from the switch, and reconnect the PC to the network. The
network DHCP server assigns a new IP address to the PC.
• For a statically assigned IP address, change it to the previously configured IP address.
5
4 Managing the Switch
After you complete Express Setup and install the switch in your network, use the device manager or other management options
described in this section for further configuration.
Using the Device Manager
The simplest way to manage the switch is by using the device manager in the switch memory. This web interface offers quick
configuration and monitoring. You can access the device manager from anywhere in your network through a web browser.
Follow these steps:
1. Launch a web browser on your PC or workstation.
2. Enter the switch IP address in the web browser, and press Enter. The device manager page appears.
3. Use the device manager to perform basic switch configuration and monitoring. Refer to the device manager online help for
more information.
4. For more advanced configuration, download and run the Cisco Network Assistant, which is described in the next section.
Downloading Cisco Network Assistant
Cisco Network Assistant is a software program that you download from Cisco.com and run on your PC. It offers advanced
options for configuring and monitoring multiple devices, including switches, switch clusters, switch stacks, routers, and access
points. Network Assistant is free—there is no charge to download, install, or use it.
Follow these steps:
1. Go to this Web address: http://www.cisco.com/go/NetworkAssistant.
You must be a registered Cisco.com user, but you need no other access privileges.
2. Find the Network Assistant installer.
3. Download the Network Assistant installer, and run it. (You can run it directly from the Web if your browser offers this
choice.)
4. When you run the installer, follow the displayed instructions. In the final panel, click Finish to complete the Network
Assistant installation.
Refer to the Network Assistant online help and the getting started guide for more information.
Command-Line Interface
You can enter Cisco IOS commands and parameters through the CLI. Access the CLI either by connecting your PC directly to
the switch console port or through a Telnet session from a remote PC or workstation.
Follow these steps:
1. Connect the supplied RJ-45-to DB-9 adapter cable to the standard 9-pin serial port on the PC. Connect the other end of the
cable to the console port on the switch.
2. Start a terminal-emulation program on the PC.
3. Configure the PC terminal emulation software for 9600 baud, 8 data bits, no parity, 1 stop bit, and no flow control.
4. Use the CLI to enter commands to configure the switch. See the software configuration guide and the command reference
for more information.
6
Other Management Options
You can use SNMP management applications such as CiscoWorks Small Network Management Solution (SNMS) and HP
OpenView to configure and manage the switch. You also can manage it from an SNMP-compatible workstation that is running
platforms such as HP OpenView or SunNet Manager.
The Cisco IE2100 Series Configuration Registrar is a network management device that works with embedded Cisco Networking
Services (CNS) agents in the switch software. You can use IE2100 to automate initial configurations and configuration updates
on the switch.
See the “Accessing Help Online” section on page 15 for a list of supporting documentation.
5 Planning Switch Stacks
Before connecting the switches in a stack, keep in mind these switch stack guidelines:
• Connect only Catalyst 2975 switches in a switch stack. The Catalyst 2975 switch does not support mixed stack
configurations. You cannot stack Catalyst 2975 switches with Catalyst 3750 switches or Catalyst 3750-E switches.
• Length of cable. Depending on your configurations, you might need different sized cables. If you do not specify the length
of the stack cable, the 0.5-meter cable is supplied. If you need the 1-meter cable or the 3-meter cable, you can order it from
your Cisco supplier.
• Access to the switch rear panel and to the rear of the rack. If you do not have access to the rear panel, make sure that you
cable the switches before you rack-mount them.
For switch dimensions, stack cable part numbers, and additional stacking guidelines, see the switch hardware installation guide
on Cisco.com. For concepts and procedures to manage switch stacks, see the switch software configuration guide and the stack
compatibility guide also on Cisco.com.
Powering Guidelines
Consider the following guidelines before you power the switches in a stack:
• The sequence in which the switches are initially powered on might affect the switch that becomes the stack master.
• If you want a particular switch to become the stack master, power on that switch first. This switch becomes the stack master
and remains the stack master until a master re-election is required. After 20 seconds, power on the remaining switches in
the stack.
• If you have no preference for which switch becomes the stack master, power on all the switches in the stack within a
20-second timeframe. These switches participate in the stack master election. Switches powered on after the 20-second
timeframe do not participate in the election.
• Power off a switch before you add it to or remove it from an existing switch stack.
For more information on stack master elections, see the “Managing Switch Stacks” chapter in the switch software configuration
guide on Cisco.com.
7
Cabling Guidelines
These illustrations show the recommended switch stack configurations with redundant stack cabling connections for optimized
stack bandwidth. For more configuration examples, see the hardware installation guide on Cisco.com.
250579
In this example, the stack uses the 0.5-meter stack cable to make redundant connections.
250580
In this example, the stacks use both 0.5- and 3-meter stack cables to make redundant connections.
8
6 Rack-Mounting
This section covers basic 19-inch rack-mounting and switch port connections. For alternate mounting procedures, such as
installing the switch in a 24-inch rack or on a wall, and for additional cabling information, see the hardware installation guide
on Cisco.com.
Equipment That You Supply
You need a number-2 Phillips screwdriver to rack-mount the switch.
Before You Begin
Before installing the switch, verify that these guidelines are met:
• Clearance to front and rear panels is such that
– Front-panel indicators can be easily read.
– Access to ports is sufficient for unrestricted cabling.
• Confirm that you have access to the switch rear panel to connect the optional RPS 2300 or the RPS 675. If you do not have
access to the rear panel, you should cable the switches before you rack-mount them.
• Verify that the AC power cord can reach from the AC power outlet to the connector on the switch rear panel.
• Cabling is away from sources of electrical noise, such as radios, power lines, and fluorescent lighting fixtures. Make sure
the cabling is safely away from other devices that might damage the cables.
• Airflow around the switch and through the vents is unrestricted.
• Temperature around the unit does not exceed 113°F (45°C). If the switch is installed in a closed or multirack assembly, the
temperature around it might be greater than normal room temperature.
• Humidity around the switch does not exceed 85 percent.
• Altitude at the installation site is not greater than 10,000 feet.
• For copper connections on Ethernet ports, cable lengths from the switch to connected devices can be up to 328 feet (100
meters).
• For cable lengths for SFP-module connections, see the hardware installation guide on Cisco.com and the documentation
that shipped with the module.
9
Installation Warning Statements
This section includes the basic installation warning statements. Translations of these warning statements appear in the
Regulatory Compliance and Safety Information for the Catalyst 2975 Switch document on the documentation CD.
Warning
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure
that the system remains stable. The following guidelines are provided to ensure your safety:
This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest
component at the bottom of the rack.
If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the
rack. Statement 1006
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Before Attaching the Brackets
Catalyst 29
75G Series
PoE-48
10
205084
To install the switch in a rack, you must first remove the screws from the switch chassis so that the mounting brackets can be
attached. For attachment at the front-mounting position remove one Phillips truss-head screw from the switch side panels. For
attachment at the mid-mounting position, remove two screws. For attachment at the rear-mounting position, remove one screw.
Attaching the Brackets
Use two number-8 Phillips flat-head screws to attach the long side of each bracket to the switch in one of three mounting
positions.
1
2
Catalyst 2975
G
Series PoE
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2
3
2
Catalyst 2975
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CONSOLE
DC INP
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Front-mounting position
3
Mid-mounting position
2
Number-8 Phillips flat-head screws
4
Rear-mounting position
11
Rack-Mount the Switch
Use the four number-12 Phillips machine screws to attach the brackets to the rack. Use the black Phillips machine screw to attach
the cable guide to the left or right bracket.
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2
Catalyst 2975
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G Series PoE48
4
Catalyst 2975
G Series PoE48
4
6
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1
Black Phillips machine screw
4
Number-12 Phillips machine screws
2
Cable guide
5
Mid-mounting position
3
Front-mounting position
6
Rear-mounting position
12
Connect the Stack Cables
Use the window in the stack cable to align the connector correctly. Insert the cable into the stack port on the back of the switch.
Secure the screws tightly. Insert the other end of the cable into the connector of the other switch, and secure the screws tightly.
Always use a Cisco-approved stack cable to connect the switches. Connect only Catalyst 2975 switches in a switch stack. The
Catalyst 2975 switch does not support mixed stack configurations. You cannot stack Catalyst 2975 switches with Catalyst 3750
switches or Catalyst 3750-E switches.
STACK
Caution
1
STACK
2
CONSOL
E
Removing and installing the stack cable can shorten its useful life. Do not remove and insert the cable more often
than is absolutely necessary.
Connect to the Switch Ports
This section describes how to connect to the fixed switch ports and to the SFP module slots.
Connect to 10/100/1000 PoE Ports
The 10/100/1000 PoE ports use standard RJ-45 connectors with Ethernet pinouts. The maximum cable length is 328 feet (100
meters). The 100BASE-TX and 1000BASE-T traffic requires Category 5, Category 5e, or Category 6 UTP cable. The 10BASE-T
traffic can use Category 3 or Category 4 cable.
The ports provide PoE support for devices compliant with IEEE 802.3af and also provide Cisco pre-standard PoE support for
Cisco IP Phones and Cisco Aironet Access Points. Each port can deliver 15.4 W of PoE on any 24 of the 48 ports or any
combination of the ports can deliver an average of 7.7 W of PoE at the same time, up to a maximum switch power output of
370 W. By default, a switch PoE port automatically provides power when a valid powered device is connected to it.
The autonegotiation feature is enabled by default on the switch. At this setting, the switch ports configure themselves to operate
at the speed of attached devices. If the attached device does not support autonegotiation, you can explicitly set the switch port
speed and the duplex parameters. To maximize performance, either let the ports autonegotiate both speed and duplex, or set
the port speed and duplex parameters on both ends of the connection.
For simplified cabling, the automatic medium-dependent interface crossover (auto-MDIX) feature is enabled by default on the
switch. With auto-MDIX enabled, the switch detects the required cable type for copper Ethernet connections and configures the
interface accordingly. Therefore, you can use either a crossover or a straight-through cable for connections to a switch
10/100/1000 PoE port, regardless of the type of device on the other end of the connection.
For information about configuring and monitoring PoE ports, enabling or disabling autonegotiation and auto-MDIX, see the
switch software configuration guide on Cisco.com.
13
Install SFP Modules and Connect to the Module Ports
The switch Gigabit Ethernet SFP modules are used for connections to other devices. These modules are field-replaceable,
providing the uplink interfaces when inserted in an SFP module slot. You can use any combination of SFP modules. See the
switch release notes for the list of SFP modules that the switch supports.
To install an SFP module, position the module in front of the module slot. Insert the SFP module into the slot until you feel the
connector on the module snap into place.
5G Series
PoE-48
205083
Catalyst 297
After installing the SFP module, use fiber-optic cables with LC or MT-RJ connectors to connect to a fiber-optic SFP module. Use
a Category 5 or higher cable with RJ-45 connectors to connect to a copper SFP module. For detailed instructions on installing,
removing, and cabling the SFP module, see your SFP module documentation.
Use only Cisco SFP modules with the switch. Each SFP module has an internal serial EEPROM that is encoded with security
information. This encoding provides a way for Cisco to identify and validate that the SFP module meets the requirements for
the switch.
Verify Port Connectivity
After you connect a device to the switch port, the port LED turns amber while the switch establishes a link. This process takes
about 30 seconds. Then the LED turns green when the switch and the attached device have an established link. If the LED is
off, the device might not be turned on, there might be a cable problem, or there might be a problem with the adapter installed
in the device. See the “In Case of Difficulty” section on page 14 for information about online assistance.
7 In Case of Difficulty
If you experience difficulty, help is available in this section and also on Cisco.com. This section includes Express Setup
troubleshooting, how to reset the switch, how to access help online, and where to find more information.
Troubleshooting Express Setup
If Express Setup does not run, or if the Express Setup page does not appear in your browser:
Did you verify that POST ran successfully before starting
Express Setup?
If not, make sure that only the SYST and STAT LEDs are green
before you press the Mode button to enter the Express Setup
mode.
POST errors are usually fatal. Contact your Cisco technical
support representative if your switch fails POST.
Did you press the Mode button while the switch was still
running POST?
If yes, wait until POST completes. Power cycle the switch. Wait
until POST completes. Confirm that the SYST and STAT LEDs
are green. Press the Mode button to enter Express Setup mode.
Did you try to continue without confirming that the switch
was in Express Setup mode?
Verify that all LEDs above the Mode button are green. (The
RPS LED is off.) If necessary, press the Mode button to enter
Express Setup mode.
14
Does your PC have a static IP address?
If yes, before connecting to the switch, change your PC settings
to temporarily use DHCP.
Did you connect a crossover cable instead of a
If yes, connect a straight-through cable to an Ethernet port on
straight-through Ethernet cable between a switch port and the the switch and the PC. Wait 30 seconds before you enter
Ethernet port of the PC?
10.0.0.1 in the browser.
Did you connect the Ethernet cable to the console port instead If yes, disconnect the cable from the console port. Then
of to a 10/100/1000 PoE port on the switch?
connect the cable to an Ethernet port on the switch and the PC.
Wait 30 seconds before you enter 10.0.0.1 in the browser.
Did you wait 30 seconds after you connected the switch and
the PC before you entered the IP address in your browser?
If not, wait 30 seconds, re-enter 10.0.0.1 in the browser, and
press Enter.
Did you enter the wrong address in the browser, or is there an If yes, re-enter 10.0.0.1 in the browser, and press Enter.
error message?
Resetting the Switch
This section describes how to reset the switch by rerunning Express Setup. These are reasons why you might want to reset the
switch:
• You installed the switch in your network and cannot connect to it because you assigned an incorrect IP address.
• You want to clear all configuration from the switch and assign a new IP address.
• You are trying to enter Express Setup mode, and the switch LEDs start blinking when you press the Mode button (which
means that the switch is already configured with IP information).
Caution
Resetting the switch deletes the configuration and reboots the switch.
To reset the switch:
Press and hold the Mode button. The switch LEDs begin blinking after about 3 seconds. Continue holding down the Mode
button. The LEDs stop blinking after 7 more seconds, and then the switch reboots.
The switch now behaves like an unconfigured switch. You can enter the switch IP information by using Express Setup as
described in the “Running Express Setup” section on page 3.
Accessing Help Online
You can first look for a solution to your problem in the troubleshooting section of the hardware installation guide or the
software configuration guide on Cisco.com. You can also access the Cisco Technical Support and Documentation website for a
list of known hardware problems and extensive troubleshooting documentation.
15
Accessing Documentation Online
For more information about the switch, see these documents on Cisco.com:
http://cisco.com/en/US/products/ps10081/tsd_products_support_series_home.html
• Catalyst 2975 Switch Hardware Installation Guide
• Regulatory Compliance and Safety Information for the Catalyst 2975 Switch
• Release Notes for the Catalyst 2975 Switch
• Catalyst 2975 Switch Software Configuration Guide
• Catalyst 2975 Switch Command Reference
• Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 Switch System Message Guide
8 Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information, see the
monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be
delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS
Version 2.0.
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