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USER GUIDE
BUSINESS SERIES
24-Port 10/100 + 4-Port
Gigabit Switch with
WebView and Power
over Ethernet
SRW224G4P
Model:

Summary of Contents

  • Page 1

    USER GUIDE BUSINESS SERIES 24-Port 10/100 + 4-Port Gigabit Switch with WebView and Power over Ethernet SRW224G4P Model:...

  • Page 2: Table Of Contents

    Configuring the Switch through the Console Interface . . . . . . . . . . . . . . . . .

  • Page 3: Table Of Contents

    VLAN Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Statistics .

  • Page 4: Table Of Contents

    SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 Admin .

  • Page 5: About This Guide, Icon Descriptions, Online Resources, Copyright And Trademarks

    Copyright and Trademarks Specifications are subject to change without notice . 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 .

  • Page 6: Chapter 1: Introduction

    Thank you for choosing the 24-Port 10/100 + 4-Port Gigabit Switch with WebView and Power over Ethernet . This Switch will allow you to network better than ever . The 24-Port 10/100 + 4-Port Gigabit Switch with WebView delivers non-blocking, wire speed switching for your 10 and 100 megabit network clients, plus multiple options for connecting to your network backbone .

  • Page 7: Chapter 2: Product Overview, Front Panel

    POWER (Green/Amber) Lights up green to indicate that power is being supplied to the Switch . Lights amber to indicate that the Switch’s power-on-self-test (POST) is in progress . Blinks amber to indicate that the POST has failed . LINK/ACT (1-24)

  • Page 8: Back Panel, Side Panel

    . You can use HyperTerminal to manage the Switch using the console port . Side Panel The security slot is located on a side panel of the Switch . Side Panel SECURITY SLOT The security slot can be utilized to attach a lock to the Switch .

  • Page 9: Chapter 3: Connecting The Switch, Overview, Pre-installation Considerations, Fast Ethernet Considerations, Full-duplex Considerations

    . Full-duplex operation allows data to be sent and received simultaneously, doubling a port’s potential data throughput . If you will be using the Switch in full-duplex mode, the maximum cable length using Category 5 cable is 328 feet (100 meters) .

  • Page 10: Desktop Placement, Rack-mount Placement, Hardware Installation, Uplinking The Switch

    Switch . Uplinking the Switch To uplink the Switch, connect one end of a Cat 5 (or better) Ethernet network cable into one of the 4 gigabit ports, and then connect the other end of the cable into the peripheral device’s uplink port .

  • Page 11: Chapter 4: Configuration Using The Console Interface, Overview, Configuring The Hyperterminal Application

    Start > Programs > Accessories > Communications > HyperTerminal Enter a name for this connection . In the example, the name of the connection is SRW224G4P . Select an icon for the application, then click OK . HyperTerminal Connection Description Screen...

  • Page 12: Configuring The Switch Through The Console Interface, Login, Switch Main Menu, System Configuration Menu

    User and Password Settings IP Configuration File Management Restore System Default Settings Reboot System 0 . Back to Main Menu . System Configuration From the System Information screen you can check current firmware versions and other general switch information . System Information...

  • Page 13

    The Versions screen displays the Boot Version, Software Version, Loader Version and the Hardware Version . Versions Boot Verson This file runs when the Switch is turned on . It performs power-on diagnostics and loads the operating system for the Switch . Software Verson This file contains the programming code that runs the Switch .

  • Page 14

    Management VLAN . This is the only VLAN through which you can gain management access to the Switch . By default, all ports on the Switch are members of VLAN 1, so a management station can be connected to any port on the Switch .

  • Page 15

    Enter the IP address of the TFTP server that will transfer the file . Restore System Default Settings To restore the Switch back to the factory default settings, select Restore System Default Settng and press Enter . A confirmation message appears asking Are you sure? [Y/ N] .

  • Page 16: Port Status, Port Configuration, Poe Configuration

    Chapter 4 Back to Main Menu Select Back to Man Menu if you want to return to the main menu . Port Status The Port Status screen allows you to view the status of a port . The Port, Enable, Link Status, Spd/Dpx, and Flow Control are displayed .

  • Page 17

    . Port power can be automatically turned on and off for connected devices, and a per-port power priority can be set so that the Switch never exceeds its allocated power budget . When a device is connected to a port, its power requirements are detected by the Switch before power is supplied .

  • Page 18: Chapter 5: Configuring The Switch, Setup, Setup > Summary

    If DHCP/BOOTP is enabled, IP will not function until a reply has been received from the server . Requests will be broadcast periodically by the Switch for an IP address . (DHCP/BOOTP values can include the IP address, subnet mask, and default gateway .)

  • Page 19: Setup > Network Settings

    Management VLAN ID of the configured VLAN (1-4094, no leading zeroes) . By default, all ports on the Switch are members of VLAN 1 . However, the management station can be attached to a port belonging to any VLAN, as long as that VLAN has been assigned an IP address .

  • Page 20: Setup > Time

    Switch periodically sends a request for a time update to a configured time server . You can configure up to two time server IP addresses . The Switch will attempt to poll each server in the sequence . Setup > Time...

  • Page 21: Port Management, Port Management > Port Settings

    . Use the full-duplex mode on ports whenever possible to double the throughput of switch connections . Flow control should also be enabled to control network traffic during periods of congestion and prevent the loss of packets when port buffer thresholds are exceeded .

  • Page 22: Port Management > Link Aggregation

    . You can create up to four LAGs on the Switch . Each LAG can contain up to eight ports . Port Management > Link Aggregation...

  • Page 23: Port Management > Lacp, Port Management > Poe Power Settings

    Cisco EtherChannel standard . For dynamic LAGs, the switches have to comply with LACP . This Switch supports up to four LAGs . For example, a LAG consisting of two 1000 Mbps ports can support an aggregate bandwidth of 4 Gbps when operating at full duplex .

  • Page 24: Vlan Management, Vlan Management > Create Vlan, Vlan Management > Port Settings

    Marketing or R&D), usage groups (such as e-mail), or multicast groups (used for multimedia applications such as videoconferencing) . You can create up to 256 VLANs on the Switch . VLAN Management > Create VLAN VLAN Management > Create VLAN...

  • Page 25: Vlan Management > Ports To Vlan, Vlan Management > Vlan To Ports

    VLAN-aware devices . VLAN Management > Ports to VLAN 24-Port 10/100 + 4-Port Ggabt Swtch wth WebVew and Power over Ethernet Configuring the Switch Swtch Port Mode Indicates VLAN membership mode for an interface . (Default: Access) •...

  • Page 26: Statistics, Statistics > Rmon Statistics, Statistics > Rmon History

    Chapter  Mode Indicates the VLAN switch port mode for the interface . Jon VLAN Configures the selected interface to be a member of other VLANs . VLANs VLANs for which the selected interface is a member . Indicates the port is a member of the specified LAG .

  • Page 27: Statistics > Rmon Alarms, Statistics > Rmon Events

    Statistics > RMON Alarms The Alarm Control Table allows you to add, update and delete specific index entries . Interface The selected interface on the Switch . Statstcs The traffic statistics to be sampled . Select from the drop-down list .

  • Page 28: Statistics > Port Utilization, Statistics > 802 .1x Statistics

    Configuring the Switch Statistics > 802.1x Statistics Statistics > 802 .1x Statistics The Switch can display statistics for 802 .1X protocol exchanges for any port . To view the statistics for a port, select the required interface from the drop-down menu and click Query .

  • Page 29: Acl > Ip Based Acl, Acl > Mac Based Acl

    Source/Destnaton IP Address Enter a source or destination IP address . 24-Port 10/100 + 4-Port Ggabt Swtch wth WebVew and Power over Ethernet Configuring the Switch Wldcard Mask Enter the Wildcard Mask for the Source/ Destination IP addresses . Match CoS...

  • Page 30: Security, Security > Acl Binding, Security > Authentication Servers

    . RADIUS servers provide a centralized authentication method for web access . Up to 5 RADIUS servers can be configured . The Switch attempts authentication using the listed sequence of servers . The process ends when a server either approves or denies access to a user .

  • Page 31: Security > 802 .1x Settings

    RADIUS authentication server to verify user identity and access rights . When a client connects to a switch port, the Switch responds with an EAPOL identity request . The client provides its identity (such as a user name) in an EAPOL response to the Switch, which it forwards to the RADIUS server .

  • Page 32: Security > Ports Security

    MAC addresses that are authorized to access the network through that port . When port security is enabled on a port, the Switch stops learning new MAC addresses on the specified port when it has reached a configured maximum number .

  • Page 33: Security > Https Settings, Security > Management Acl

    . When entering addresses for the same group (i .e ., SNMP, web or Telnet), the Switch will not accept overlapping address ranges . When entering addresses for different groups, the Switch will accept overlapping address ranges .

  • Page 34: Security > Ssh Settings, Security > Ssh Host-key Settings

    SSH Server-Key Sze (12-8) key size . The server key is a private key that is never shared outside the Switch . The host key is shared with the SSH client, and is fixed at 1024 bits . (Default:8) Security > SSH Host-Key Settings A host public/private key pair is used to provide secure communications between an SSH client and the Switch .

  • Page 35: Qos > Cos Settings

    Class of Service (CoS) allows you to specify which data packets have greater precedence when traffic is buffered in the Switch due to congestion . The Switch supports CoS with four priority queues for each port . Data packets in a port’s high-priority queue will be transmitted before...

  • Page 36: Qos > Queue Settings, Qos > Dscp Settings

    24-Port 10/100 + 4-Port Ggabt Swtch wth WebVew and Power over Ethernet Configuring the Switch Queue Settings You can set the Switch to service the queues based on a strict rule that requires all traffic in a higher priority queue to be processed before lower priority queues are serviced, or use Weighted Round-Robin (WRR) queuing that specifies a relative weight of each queue .

  • Page 37: Qos > Diffserv Settings

    Differentiated Services Code Point (DSCP) service . When these services are enabled, the priorities are mapped to a Class of Service value by the Switch and the traffic then sent to the corresponding output queue . Because different priority information may be contained in the traffic, the...

  • Page 38

    Fast Ethernet and Gigabit Ethernet ingress ports . 24-Port 10/100 + 4-Port Ggabt Swtch wth WebVew and Power over Ethernet Configuring the Switch QoS > DiffServ Settings > Edit Policy Element Policing is based on a token bucket, where bucket depth (that is, the maximum burst before the bucket overflows) is by specified the “Burst”...

  • Page 39: Qos > Diffserv Port Binding, Qos > Bandwidth, Spanning Tree

    . Rate limiting is configured on interfaces at the edge of a network to limit traffic coming out of the Switch . Traffic that falls within the rate limit is transmitted, while packets that exceed the acceptable amount of traffic are dropped .

  • Page 40: Spanning Tree > Stp Status, Spanning Tree > Global Stp

    Configure the global settings for STP using this screen . Global settings apply to the entire Switch . Spannng Tree State Enables/disables STP on the Switch . Use the checkbox to enable or disable STP on the Switch . (Default: Enabled)

  • Page 41: Spanning Tree > Stp Port Settings

    Specifies the type of spanning tree used on the Switch: • Spanning Tree Protocol (IEEE 802 .1D); i .e ., when this option is selected, the Switch will use RSTP set to STP forced compatibility mode) . • RSTP Rapid Spanning Tree Protocol (IEEE 802 .1w) .

  • Page 42

    The slower the media, the higher the cost . Desgnated Port The port priority and number of the port on the designated bridging device through which the Switch must communicate with the root of the Spanning Tree . Desgnated Brdge The bridge priority and MAC address of the device through which this port must communicate to reach the root of the Spanning Tree .

  • Page 43: Spanning Tree > Rstp Port Settings

    Defines the priority used for this port in the Spanning Tree Protocol . If the path cost for all ports on a switch are the same, the port with the highest priority (i .e ., lowest value) will be configured as an active link in the Spanning Tree .

  • Page 44: Spanning Tree > Mstp Properties, Spanning Tree > Mstp Instance Settings

    . One or more VLANs can be grouped into a Multiple Spanning Tree Instance (MSTI) This Switch supports 33 MSTI’s . MSTP builds a separate Multiple Spanning Tree (MST) for each instance to maintain connectivity among each of the assigned VLAN groups .

  • Page 45: Spanning Tree > Mstp Interface Settings

    • A port on a network segment with no other STA compliant bridging device is always forwarding . If two ports of a switch are connected to the same • segment and there is no other STA device attached to this segment, the port with the smaller ID forwards packets and the other is discarding .

  • Page 46: Multicast

    Defines the priority used for this port in the Spanning Tree Protocol . If the path cost for all ports on a switch are the same, the port with the highest priority (i .e ., lowest value) will be configured as an active link in the Spanning Tree .

  • Page 47: Multicast > Global Settings, Multicast > Static Member Ports

    Sets the time between receiving an IGMP Report for an IP multicast address on a port before the Switch sends an IGMP Query out of that port and removes the entry from its list . (Range: 5-25 seconds; Default: 10)

  • Page 48: Multicast > Static Router Ports, Multicast > Member Ports Query, Multicast > Router Ports Query

    VLAN and multicast IP address . Select a VLAN ID and the IP address for a multicast service from the drop-down menus . The Switch will display all the interfaces that are propagating this multicast service .

  • Page 49: Snmp > Global Parameters

    SNMPv3 packets . A local engine ID is automatically generated that is unique to the switch . This is referred to as the default engine ID . If the local engine ID is deleted or changed, all SNMP users will be cleared .

  • Page 50: Snmp > Views, Snmp > Group Profile

    MIB tree is included or excluded from the SNMP view . Select the type from the drop-down menu . Define a view name and specify subtree ID in the switch MIB to be included or excluded in the view . Click Add to save the new view .

  • Page 51: Snmp > Group Membership, Snmp > Communities

    Authentcaton Password A minimum of eight plain text characters is required . 24-Port 10/100 + 4-Port Ggabt Swtch wth WebVew and Power over Ethernet Configuring the Switch Data Privacy Prvacy Protocol The encryption algorithm use for data privacy; only 56-bit DES is currently available .

  • Page 52: Snmp > Notification Recipient, Admin, Admin > User Authentication

    . It includes the following screens: Admin > User Authentication Admin > User Authentication The Switch supports up to 6 user names and passwords for management access (console and web interfaces) . The default user name is “admn” with no password . You should therefore assign a new password for the “admin”...

  • Page 53: Admin > Forwarding Database

    ID of a configured VLAN (1-4094) . Specify the interface, the static MAC address, and VLAN, then click Add . The current static addresses on the Switch are all displayed in a list . To delete a static MAC address from the forwarding database, select the entry in the displayed list, then click Remove .

  • Page 54: Admin > Log

    The system allows you to enable or disable event logging, and specify which event levels are logged to RAM or flash memory . Severe error messages that are logged to flash memory are permanently stored in the Switch to assist in troubleshooting network problems . System Log Status debug or error messages to the logging process .

  • Page 55: Admin > Port Mirroring

    (Default: Level ) SMTP (1-) Specifies a list of up to three recipient SMTP server IP addresses . The Switch attempts to connect to the other listed servers if the first fails . Source E-mal Address Sets the e-mail address used for the “From”...

  • Page 56: Admin > Cable Test, Admin > Ping, Admin > Save Configuration

    Admin > Save Configuration Downloads or uploads Switch configuration files from a TFTP server . The Switch allows the start-up configuration to be saved or restored from a TFTP server . You must specify Upgrade to download a new configuration file or Backup to save a configuration file to the server .

  • Page 57: Admin > Jumbo Frame, Admin > Firmware Upgrade, Admin > Http Upgrade

    Admin > Firmware Upgrade Downloads or uploads Switch firmware files from a TFTP server . The Switch allows the runtime software and diagnostic boot files to be upgraded . You must specify Upgrade to download a new firmware file or Backup to save a firmware file to the server .

  • Page 58: Admin > Reboot, Admin > Factory Default

    Restores the Switch’s factory default settings . Admin > Factory Default Click the Reset to Factory Default Confguraton button, then click OK to confirm and restart the Switch . 24-Port 10/100 + 4-Port Ggabt Swtch wth WebVew and Power over Ethernet...

  • Page 59: Gigabit Ethernet, Fiber Optic Cabling

    . In Europe, the round ST connector is more prevalent . For Gigabit Ethernet, you must use the Linksys MGBT1, MGBSX1, or MGBLH1 miniGBIC modules with the Linksys Gigabit Switches . The MGBSX1 and the MGBLH1 require fiber cabling with LC connectors, and the MGBT1 requires a Category 5e Ethernet cable with an RJ-45 connector .

  • Page 60

    Appendx B Appendx B: 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.lnksys.com/glossary Access Mode - Specifies the method by which user access is granted to the system .

  • Page 61

    . For example, to report a processing error . IGMP (Internet Group Management Protocol) - Allows hosts to notify their local switch or router that they want to receive transmissions assigned to a specific multicast group .

  • Page 62

    Appendx B MAC (Meda 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 (MegaBts Per Second) - One million bits per second;...

  • Page 63

    Glossary Appendx B TCP (Transmsson Control Protocol) - A network protocol for transmitting data that requires acknowledgement from the recipient of data sent . TCP/IP (Transmsson Control Protocol/Internet Protocol) - A set of instructions PCs use to communicate over a network . Telnet - A user command and TCP/IP protocol used for accessing remote PCs .

  • Page 64

    Appendx C Appendx C: Specfcatons Specficatons Model SRW224G4P Ports 24 RJ-45 connectors for 10BASE-T and100BASE-TX 4 RJ-45 connectors for 10BASE-T, 100BASE-TX and 1000BASE-T 2 Shared SFP slots Cabling Type UTP CAT 5 or better for 10BASE-T/100BASE-TX, UTP CAT 5e or better for...

  • Page 65

    Appendx C Priority levels 4 Hardware queues Scheduling Priority Queueing and Weighted Round Robin (WRR) Class of Service Port-based 802 .1p VLAN priority based IPv4 IP precedence/ToS/DSCP TCP/UDP port Layer 2 VLAN Port-based and 802 .1q based VLANs Management VLAN HOL Blocking Head of line blocking prevention...

  • Page 66: Limited Warranty

    . Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to You . Please direct all inquiries to: Linksys, P .O . Box 18558, Irvine, CA 92623 . NON-...

  • Page 67: Fcc Statement, Safety Notices, Industry Canada (canada), Ic Statement, R├Ęglement D'industry Canada

    Appendx D FCC Statement This product has been tested and complies with the specifications for a Class B digital device, pursuant to Part 15 of the FCC Rules . These limits are designed to provide reasonable protection against harmful interference in a residential installation .

  • Page 68

    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: Englsh - Envronmental Informaton for Customers n...

  • Page 69

    Appendx D Español (Spansh) - Informacón medoambental para clentes de la Unón Europea La Directiva 2002/96/CE de la UE exige que los equipos que lleven este símbolo en el propio aparato y/o en su embalaje no deben eliminarse junto con otros residuos urbanos no seleccionados .

  • Page 70

    Appendx D Malt (Maltese) - Informazzjon Ambjental għal Kljent fl-Unjon Ewropea Id-Direttiva Ewropea 2002/96/KE titlob li t-tagħmir li jkun fih is-simbolu fuq il-prodott u/jew fuq l-ippakkjar ma jistax jintrema ma’ skart muniċipali li ma ġiex isseparat . Is-simbolu jindika li dan il-prodott għandu jintrema separatament minn ma’...

  • Page 71

    Appendx D Slovenčna (Slovak) - Informáce o ochrane žvotného prostreda pre zákazníkov v Európskej ún Podľa európskej smernice 2002/96/ES zariadenie s týmto symbolom na produkte a/alebo jeho balení nesmie byť likvidované spolu s netriedeným komunálnym odpadom . Symbol znamená, že produkt by sa mal likvidovať oddelene od bežného odpadu z domácností...

  • Page 72

    Appendx E Appendx E: Contact Informaton Lnksys Contact Informaton Website http://www .linksys .com E-Mail support@linksys .com FTP Site ftp .linksys .com Advice Line 800-546-5797 (LINKSYS) Support 800-326-7114 RMA (Return Merchandise 949-823-3000 Authorization) 949-823-3002 NOTE: Details on warranty and RMA issues can be found in the Warranty and Regulatory Information section of this Guide .

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