Cisco Gigabit Smart Switch with Resilient Clustering Technology and PoE SLM224G4PS User Manual
24-port or 48-port 10/100 + 4-port gigabit smart switch with resilient clustering technology and poe
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Summary of Contents for Cisco Gigabit Smart Switch with Resilient Clustering Technology and PoE SLM224G4PS
- Page 1 USER GUIDE BUSINESS SERIES 24-Port or 48-Port 10/100 + 4-Port Gigabit Smart Switch with Resilient Clustering Technology and PoE SLM224G4PS, SLM248G4PS Model:...
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Page 2: About This Guide
Network Security www.linksys.com/security Copyright and Trademarks Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/ or its affiliates in the U.S. and certain other countries. Copyright © 2007 Cisco Systems, Inc. All rights reserved. Other brands and product names are trademarks or registered trademarks of their respective holders. -
Page 3: Table Of Contents
Chapter 1: Introduction Chapter 2: Product Overview SLM248G4PS ..........2 SLM224G4PS . - Page 4 Port Management ..........20 VLAN Management .
- Page 5 Admin........... . .43 Logout .
- Page 6 Appendix C: Glossary Appendix D: Specifications Appendix E: Warranty Information Exclusions and Limitations........65 Obtaining Warranty Service .
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Page 7: Chapter 1: Introduction
Chapter 1 Chapter 1: Introduction Thank you for choosing the Linksys 24/48-Port 10/100 + 4-Port Gigabit Smart Switch with Resilient Clustering Technology and PoE. These switches allow you to expand your network securely. User control is secured using 802.1x security using a RADIUS authentication mechanism and can also be controlled using MAC filtering. -
Page 8: Chapter 2: Product Overview
Chapter 2 Chapter 2: Product Overview SLM248G4PS Front Panel The Switch LEDs and ports are located on the front panel. Front Panel of the SLM248G4PS System (Green/Amber) Lights up green to indicate that the Switch is powered on. Lights up amber while the Switch is performing a system self-test. -
Page 9: Back Panel
Chapter 2 Back Panel The Console port and power port are located on the back panel of the Switch. Back Panel of the SLM248G4PS CONSOLE The Console port is a serial port that allows you to connect to a computer’s serial port (for configuration purposes) using the provided serial cable. -
Page 10: Back Panel
Chapter 2 SLM224G4PS Shared Port Mapping miniGBIC Port Standard Port miniGBIC 1 miniGBIC 2 Back Panel The Console port and power port are located on the back panel of the Switch. Back Panel of the SLM224G4PS CONSOLE The Console port is a serial port that allows you to connect to a computer’s serial port (for configuration purposes) using the provided serial cable. -
Page 11: Chapter 3: Installation
Chapter 3 Chapter 3: Installation Overview This chapter will explain how to connect network devices to the Switch. The following diagram shows a typical network configuration. Cable/DSL Internet Modem Router Wireless Access Point 10/100/1000 10/100 Desktop Notebook Typical Network Configuration for the SLM248G4PS When you connect your network devices, make sure you do not exceed the maximum cabling distances, which are listed in the following table:... -
Page 12: Desktop Placement
Chapter 3 Desktop Placement Attach the rubber feet to the recessed areas on the • bottom of the Switch. Place the Switch on a desktop near an AC power source. • Keep enough ventilation space for the switch and • check the environmental restrictions mentioned in the Specifications Appendix as you are placing the Switch. -
Page 13: Uplinking The Switch
Chapter 3 For a 1000 Mbps device: Connect a Category 5e Ethernet network cable to • port G1, G2, G3, or G4 on the Switch. For a 10/100 Mbps PoE device: SLM248G4PS: Connect a Category 5e Ethernet • network cable to one of ports 1-12 or ports 25-36 on the Switch. -
Page 14: Reassigning A Slave Unit As The Master Unit
Chapter 3 Connect one end of a Category 5e Ethernet network cable to port G1 on Unit 1. Connect the cable’s other end to port G2 on Unit 2. Connect one end of a Category 5e Ethernet network cable to port G1 on Unit 2. Connect the cable’s other end to port G2 on Unit 3. -
Page 15: Chapter 4: Configuration Using The Console Interface
Chapter 4 Chapter 4: Configuration Using the Console Interface Overview The Switch features a menu-driven console interface that lets you perform basic switch configuration and easily manage your network. To use the console interface, you either run the HyperTerminal application to configure a serial connection through the Switch’s console port, or run a telnet session over an Ethernet connection. -
Page 16: How To Use The Console Interface
Chapter 4 How to Use the Console Interface The Console Interface consists of a hierarchical series of menu screens and settings screens. Each menu displays a list of options. Selecting an option brings up a settings screen where you can configure the relevant settings. To select a menu option, either press the number of the option in the list (for example, press 5 to select Help from the Main Menu), or use the arrow keys to move up or down... - Page 17 Chapter 4 System Information From the System Information screen you can check current firmware versions and other general switch information. System Information Versions The Versions screen displays version-related information for each switch in the system. Versions Unit The unit number of the switch, from 1 to 6. Status The status of the switch, either master or slave.
- Page 18 Chapter 4 User & Password Settings The User & Password Settings screen displays all the user accounts defined on the system. User & Password Settings The default account is admin. You cannot edit this account (its user name and password cannot be changed). For security purposes, Linksys recommends creating at least one user account with a unique user name and password.
- Page 19 Chapter 4 IP Address Settings The IP Address Settings screen allows you to set the IP information for the Switch. IP Address Configuration IP Address This sets the Switch’s IP Address. The default setting is 12.168.1.254. If you change the IP address, verify that the address you enter is correct and does not conflict with another device on the network.
- Page 20 Chapter 4 After the traceroute test is complete, the TraceRoute screen displays the IP address, status, and statistics of the traceroute test. File Management The File Management screen allows you to upload or download files, such as the startup configuration, boot, or image file, using a TFTP server.
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Page 21: Port Status Menu
Chapter 4 Unit The unit number of the switch, from 1 to 6. MAC Address The MAC address of the switch. Software The version number of the software that runs the switch. Uplink The ID number of the switch that has an uplink connection to this switch. -
Page 22: System Mode
Chapter 4 PoE Settings The PoE Settingsscreen allows you to change a PoE port’s PoE settings. You can set a PoE port’s priority, or enable or disable PoE on a PoE port. PoE Settings System Mode The System Mode screen displays information about the system mode: System Mode Current System Mode... -
Page 23: Chapter 5: Configuration Using The Web-Based Utility
Chapter 5 Chapter 5: Configuration Using the Web-based Utility This chapter describes the features included in the Web- based Utility. All features shown in this chapter, unless specifically identified, are included in the all of Stackable Switches. Unique features for specific Switches are noted. NOTE: The web-based utility is optimized for a screen resolution of 1024 x 768. -
Page 24: Setup > Zoom
Chapter 5 Default Gateway The IP address (default 0.0.0.0) of the gateway router between the Switch and management stations on other network segments. This setting can be configured from the Setup tab’s Network Settings screen. NOTE: The Default Gateway cannot be configured if the system IP address is set to 12.168.1.254. -
Page 25: Setup > Time
Chapter 5 System Location This is used to enter a description of where the Switch is physically located, such as 3rd Floor. System Contact Enter the name of the administrator responsible for the system. System Object ID This is used for SNMP purposes and is set to 1.3.6.1.4.1.355.6.5.224(248).2. -
Page 26: Setup > Stack Management
Chapter 5 Recurring If daylight saving time has fixed start and • end dates, check this box and fill in these fields: From Specify the day, week, month, and time • when daylight saving time will be enabled. Specify the day, week, month, and time when •... - Page 27 Chapter 5 Speed The port’s configured rate in Mbps. Duplex The port’s current duplex mode, Half or Full. MDI/MDIX The port’s MDI/MDIX type. The MDI setting is used if the port is connected to an end station. The MDIX setting is used if the port is connected to a hub or another switch.
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Page 28: Port Management > Link Aggregation
Chapter 5 Neighbor Advertisement (Read-only) The speed and duplex mode settings that the neighbor port (the port to which the selected port is connected) is advertising. If the port has no neighbor port, this field displays “Unknown. ” Back Pressure Select Enable or Disable (default) to enable or disable Back Pressure mode on the port. -
Page 29: Port Management > Lacp
Chapter 5 Administrative Status The LAG’s administrative status. Select either Up or Down to enable or disable the LAG. Current Status (Read-only) The LAG’s status, either Up or Down. Admin Auto Negotiation Select Enable (default) or Disable to enable or disable Auto-Negotiation on the LAG. -
Page 30: Vlan Management
Chapter 5 Port The port whose PoE settings are being configured. To configure a different port, select it from the drop-down menu. Admin Status/Enable This indicates if PoE is enabled or disabled on the port. To enable PoE on the port, keep the default, Enable (option selected). -
Page 31: Vlan Management > Port To Vlan
Chapter 5 Ingress Filtering Enables or disables Ingress filtering on the port. Ingress filtering discards packets that do not match port ingress rules. The default is Enabled. Displays the LAG, if any, to which the port belongs. A port’s LAG settings override the VLAN port settings. Click Save Changes to save your changes, or click Cancel Changes to cancel. -
Page 32: Statistics
Chapter 5 Remove To remove the port from a VLAN, select the VLAN from the list on the right and click Remove. The VLAN ID will appear in the list on the left without the “T” or “U”. Tagging When you are adding a port to a VLAN, specify whether the port is Tagged (default) or Untagged. - Page 33 Chapter 5 Statistics > RMON History RMON History Source Interface Indicates the interface from which the history samples were taken. To specify the interface, select Unit No. (default) and specify the unit number and port from the drop-down menus, or select LAG and select the LAG number from the drop-down menu.
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Page 34: Statistics > Rmon Alarms
Chapter 5 Oversize Packets Displays the number of oversized packets (over 1518 octets) received on the interface since the device was last refreshed. Fragments Displays the number of fragments (packets with less than 64 octets, excluding framing bits, but including FCS octets) received on the interface since the device was last refreshed. -
Page 35: Statistics > Rmon Events
Chapter 5 Statistics > RMON Events The RMON Events screen is used to define RMON events. Statistics > RMON Events Add Event Event Entry Displays the event. Community Displays the community to which the event belongs. Description Displays the user-defined event description. Type Describes the event type. -
Page 36: Security
Chapter 5 Unicast Packets Displays the number of Unicast • packets received on the selected interface. Multicast Packets Displays the number of Multicast • packets received on the selected interface. Broadcast Packets Displays the number of Broadcast • packets received on the selected interface. Packets with Errors Displays the number of error •... -
Page 37: Security > Port Security
Chapter 5 Setting Timer The Setting Timer screen appears when you click Setting Timer on the 802.1x Settings screen. You use the Setting Timer screen to configure a port’s 802.1x functionality. Security > 802.1x Settings > Setting Timer Port Displays the port name. Reauthentication Period Specifies... -
Page 38: Security > Storm Control
Chapter 5 Max Entries Specifies the number of MAC addresses that can be learned on the port. This field is enabled only if Learning Mode is set to Limited Dynamic Lock. The default value is 1. Action on Violation Indicates the action to be applied to packets arriving on a locked port. -
Page 39: Security > Radius
Chapter 5 Broadcast Control Select the checkbox to apply Broadcast control on the selected interface. Broadcast control limits the amount of Broadcast packet types to be forwarded. The default is not selected (disabled). Mode Specifies the Broadcast mode currently enabled on the device. -
Page 40: Qos > Cos Settings
Chapter 5 The assignment of network traffic to a particular • hardware queue The assignment of internal resources • Traffic shaping • The terms Class of Service (CoS) and QoS are used in the following context: CoS provides varying Layer 2 traffic services. CoS •... -
Page 41: Qos > Dscp Settings
Chapter 5 QoS > DSCP Settings QoS > DSCP Settings The DSCP Settings screen allows you to map Differentiated Services Code Point (DSCP) values to specific queues. DSCP Indicates the DSCP value in the incoming packet. Select a DSCP value from the drop-down menu to map that value to the associated queue. -
Page 42: Spanning Tree
Chapter 5 Spanning Tree Spanning Tree Protocol (STP) provides tree topography for any arrangement of bridges. STP also provides one path between end stations on a network, eliminating loops. Loops occur when alternate routes exist between hosts. Loops in an extended network can cause bridges to forward traffic indefinitely, resulting in increased traffic and reducing network efficiency. -
Page 43: Spanning Tree > Stp Port Settings
Chapter 5 Bridge Settings Priority Specifies the bridge priority value. When switches or bridges are running STP, each is assigned a priority. After exchanging BPDUs, the device with the lowest priority value becomes the Root Bridge. The default value is 32768. The value must be a multiple of 4096. For example, 4096, 8192, 12288, etc. -
Page 44: Multicast
Chapter 5 Multicast Multicast configuration options include IGMP Snooping, Bridge Multicast, and Bridge Multicast Forward All. Multicast > IGMP Snooping Multicast > IGMP Snooping When IGMP Snooping is enabled globally, all IGMP packets are forwarded to the CPU. The CPU analyzes the incoming packets and determines: Which ports want to join which Multicast groups •... -
Page 45: Multicast > Bridge Multicast Forward All
Chapter 5 Enable Bridge Multicast Filtering Select this option to TBD. The default is disabled. Interface, Gigabit, LAG Lists switch interfaces and LAGs that can be added to a Multicast service. The configuration options are as follows: Static Indicates the port is user-defined. •... -
Page 46: Snmp > Views
Chapter 5 Use Default Uses the device generated Engine ID. The default Engine ID is based on the device MAC address and is defined per standard as: First 4 octets First bit = 1, the rest is IANA Enterprise • number. -
Page 47: Snmp > Group Membership
Chapter 5 SNMP > Group Membership The Group Membership screen provides information for assigning SNMP access control privileges to SNMP groups. SNMP > Group Membership User Name Provides a user-defined local user list. Engine ID Indicates either the local or remote SNMP entity to which the user is connected. -
Page 48: Snmp > Notification Filter
Chapter 5 Read Write Management access is read-write and • changes can be made to the device configuration, but not to the community. SNMP Admin User can access all device configuration • options, and can modify the community. View Name Contains a list of user-defined SNMP views. -
Page 49: Admin
Chapter 5 Notification Type Defines the notification sent. The possible field values are: Traps Indicates traps are sent. • Informs Indicates informs are sent. • SNMPv1,2 Enables SNMPv1,2 as the Notification Recipient. Either SNMPv1,2 or SNMPv3 can be enabled at any one time, but not both at the same time. -
Page 50: Admin > Static Address
Chapter 5 not displayed). You use this table to edit or delete existing user names and/or passwords, as described below. Create a new user name Make sure no entry is selected in the Local Users Table. If one is selected, click Cancel. Enter the new user name in the User Name field, and the password in the Password and Confirm Password fields. -
Page 51: Admin > Port Mirroring
Chapter 5 Address Aging Specifies the amount of time (in seconds) that a MAC address remains in the Dynamic MAC Address table before it times out, if no traffic from the source is detected. The default value is 300 seconds. Clear Table If selected, this clears the MAC Address table. -
Page 52: Admin > Save Configuration
Chapter 5 Admin > Cable Test - Gigabit Ports Advanced (Gigabit ports only) Click the Advanced button to open the Copper Cable Extended Feature screen. The Copper Cable Extended Feature screen contains the following fields. Cable Status Displays the cable status. •... -
Page 53: Admin > Firmware Upgrade
Chapter 5 Admin > Firmware Upgrade Admin > Firmware Upgrade The Firmware Upgrade screen allows you to download firmware upgrade files from a TFTP server, or from your computer via the HTTP interface. Via TFTP Select this to download from or upload to a TFTP server. -
Page 54: Admin > Logging
Chapter 5 Admin > Logging Admin > Logging The System Logs allow you to view device events in real time, and recording the events for later usage. System Logs record and manage events and report errors or informational messages. Event messages have a unique format, as per the SYSLOG protocols recommended message format for all error reporting. -
Page 55: Admin > Flash Logs
Chapter 5 Severity Displays the log severity. Description Displays the log message text. Clear Logs Click this button to clear the logs. Admin > Flash Logs The Flash Log screen contains information about log entries saved to the Log File in flash memory, including the time the log was generated, the log severity, and a description of the log message. -
Page 56: Appendix A: About Gigabit Ethernet And Fiber Optic Cabling
Appendix A About Gigabit Ethernet and Fiber Optic Cabling Appendix A: About Gigabit Ethernet and Fiber Optic Cabling Gigabit Ethernet Gigabit Ethernet runs at speeds of 1Gbps (Gigabit per second), ten times faster than 100Mbps Fast Ethernet, but it still integrates seamlessly with 100Mbps Fast Ethernet hardware. -
Page 57: Appendix B: About Switch Stacking
Appendix B Appendix B: About Switch Stacking A switch may operate in one of two modes: Stack or Standalone. You can select either mode during software boot or using the web-based utility’s Setup > Summary screen, with the new mode taking effect after the unit is reset. -
Page 58: Stack Resiliency
Appendix B the Console port, Telnet or Web-based Utility) and reset the units to make this assignment permanent. The unit that is assigned number 1 will act as the Master; this is indicated by the Stack Master LED on its front panel being lit amber. -
Page 59: Stack Units Startup Process
Appendix B Stack Units Startup Process Whenever a unit in stack mode is initialized (powered up or rebooted) it goes through the same exact process, consisting of the following three steps: Master Discovery/Election. Unit ID allocation by the Master (including duplicate Unit ID conflict resolution) Unit/port configuration by the Master Master Discovery... -
Page 60: User Controls
Appendix B If both duplicate units are in auto (self ordering) mode, • then the unit ID will be decided by the Mac address. The unit with the lower Mac will keep its unit ID. The other will be reassigned a new unit ID. If one of the duplicates is in auto (self ordering) •... -
Page 61: Stack Master Failure And Replacement
Appendix B If the incoming unit did not have an assigned Unit • ID (that is, it was in factory default mode), it will be assigned the lowest available Unit ID by the Master. It is strongly recommended that automatic assigned unit ID mode be used since it provides better resiliency to the stack. -
Page 62: Splitting A Stack
Appendix B If the incoming unit already has an assigned Unit ID, • and that Unit ID is unused in the current stack, the incoming unit will keep its assigned Unit ID and the Master will apply to it any configuration relevant to that Unit ID. -
Page 63: Merging Two Stacks
Appendix B before the split. Since the Backup Master was not acting as a master prior to the split, it will initiate a topology database and port-learning process. Traffic might be halted for a short period of time until synchronization (unit and port configuration) is completed. -
Page 64: Stacking Cable Failure
Appendix B It should be emphasized that when two stacks are combined, all of the configuration information for one of the stacks will be lost. Only the surviving master (after the discovery/election process completes) will maintain its configuration information. The best practice to combine two stacks is to reset the switches in one stack to the factory defaults and then add the switches as described in the “Adding Units to a Running Stack”... -
Page 65: Appendix C: Glossary
Appendix C Appendix C: Glossary This glossary contains some basic networking terms you may come across when using this product. WEB: For additional terms, please visit the glossary at www.linksys.com/glossary Access Mode Specifies the method by which user access is granted to the system. Access Point A device that allows wireless-equipped computers and other devices to communicate with a wired network. - Page 66 Appendix C CoS (Class of Service) The 802.1p priority scheme. CoS provides a method for tagging packets with priority information. A CoS value between 0-7 is added to the Layer II header of packets, where zero is the lowest priority and seven is the highest.
- Page 67 Appendix C MAC (Media Access Control) Address The unique address that a manufacturer assigns to each networking device. Mask A filter that includes or excludes certain values, for example parts of an IP address. Mbps (MegaBits Per Second) One million bits per second;...
- Page 68 Appendix C Glossary TFTP (Trivial File Transfer Protocol) A version of the TCP/IP FTP protocol that has no directory or password capability. Throughput The amount of data moved successfully from one node to another in a given time period. Trunking Link Aggregation. Optimizes port usage by linking a group of ports together to form a single trunk (aggregated groups).
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Page 69: Appendix D: Specifications
Appendix D Appendix D: Specifications Specifications Model SLM224G4PS or SLM248G4PS SLM224G4PS: Ports 24 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T with 4 Gigabit ports and 2 Combo SFP slots SLM248G4PS: 48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T with 4 Gigabit ports and 2 Combo SFP slots Buttons None... - Page 70 Appendix D Class of Service Port-based 802.1p VLAN priority-based IPv4 IP precedence/ToS/DSCP Layer 2 VLAN Port-based and 802.1q-based VLANs Management VLAN HOL Blocking Head of line blocking prevention Jumbo frame Supports frame size up to 9K bytes Standards 802.3 10BASE-T Ethernet, 802.3u 100BASE-TX Fast Ethernet, 802.3ab 1000BASE-T Gigabit Ethernet, 802.3z Gigabit Ethernet,...
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Page 71: Appendix E: Warranty Information
Appendix E Appendix E: Warranty Information Linksys warrants this Linksys hardware product against defects in materials and workmanship under normal use for the Warranty Period, which begins on the date of purchase by the original end-user purchaser and lasts for the period specified for this product at www.linksys.com/warranty. -
Page 72: Technical Support
Appendix E Warranty Information original purchase when returning your product. Products received without a RMA number and dated proof of original purchase will be rejected. Do not include any other items with the product you are returning to Linksys. Defective product covered by this limited warranty will be repaired or replaced and returned to you without charge. -
Page 73: Appendix F: Regulatory Information
Appendix F Appendix F: Regulatory Information FCC Statement This equipment has been tested and complies with the specifications for a Class A digital device, pursuant to Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. -
Page 74: User Information For Consumer Products Covered By Eu Directive 2002/96/Ec On Waste Electric And Electronic Equipment (Weee)
Appendix F User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste Electric and Electronic Equipment (WEEE) This document contains important information for users with regards to the proper disposal and recycling of Linksys products. Consumers are required to comply with this notice for all electronic products bearing the following symbol: English - Environmental Information for Customers in... - Page 75 Appendix F Eesti (Estonian) - Keskkonnaalane informatsioon Euroopa Liidus asuvatele klientidele Euroopa Liidu direktiivi 2002/96/EÜ nõuete kohaselt on seadmeid, millel on tootel või pakendil käesolev sümbol keelatud kõrvaldada koos sorteerimata olmejäätmetega. See sümbol näitab, et toode tuleks kõrvaldada eraldi tavalistest olmejäätmevoogudest.
- Page 76 Appendix F Lietuvškai (Lithuanian) - Aplinkosaugos informacija, skirta Europos Sąjungos vartotojams Europos direktyva 2002/96/EC numato, kad įrangos, kuri ir kurios pakuotė yra pažymėta šiuo simboliu (įveskite simbolį), negalima šalinti kartu su nerūšiuotomis komunalinėmis atliekomis. Šis simbolis rodo, kad gaminį reikia šalinti atskirai nuo bendro buitinių...
- Page 77 Appendix F Português (Portuguese) - Informação ambiental para clientes da União Europeia A Directiva Europeia 2002/96/CE exige que o equipamento que exibe este símbolo no produto e/ou na sua embalagem não seja eliminado junto com os resíduos municipais não separados. O símbolo indica que este produto deve ser eliminado separadamente dos resíduos domésticos regulares.
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Page 78: Appendix G: Contact Information
Appendix G Appendix G: Contact Information Linksys Contact Information Website http://www.linksys.com Support Site http://www.linksys.com/support FTP Site ftp.linksys.com Advice Line 800-546-5797 (LINKSYS) Support 800-326-7114 RMA (Return Merchandise http://www.linksys.com/warranty Authorization) NOTE: Details on warranty and RMA issues can be found in the Warranty section of this Guide. 24/48-Port 10/100 + 4-Port Gigabit Smart Switch with Resilient Clustering Technology and PoE Contact Information 7120410NC-AI...