Linksys SLM224G4S manual Uplinking the Switch, Configuring Stacking Mode

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Chapter 3

For a 1000 Mbps device:

•Connect a Category 5e Ethernet network cable to port G1, G2, G3, or G4 on the Switch.

3.Connect the other end of the network cable to a PC or other network device.

4.Repeat steps 2 and 3 to connect additional devices.

5.If you are using a miniGBIC port, then connect a miniGBIC module to a miniGBIC port. For more detailed instructions, refer to “Uplinking the Switch“.

6.Connect the supplied power cord to the Switch’s power port, and plug the other end into an electrical outlet. When connecting power, always use a surge protector.

IMPORTANT: Make sure you use the power cord that is supplied with the Switch. Use of a different power cord could damage the Switch.

7.Power on the devices connected to the Switch. Each active port’s corresponding LED will light up on the Switch.

Uplinking the Switch

To uplink the Switch using a 1000 Mbps Ethernet port, connect one end of a Cat 5e (or better) Ethernet network cable to a Gigabit port, then connect the other end of the cable into the peripheral device’s uplink port. MDI/MDIX will automatically detect the speed and cable type.

To uplink the Switch using the miniGBIC port, connect a miniGBIC module to a miniGBIC port whose shared Ethernet port is not being used (a miniGBIC port and its shared Ethernet port cannot be used at the same time). The following table shows which Ethernet ports are shared with the miniGBIC ports.

Ethernet Ports Shared with miniGBIC Ports

Switch

Port Shared with

Port Shared with

miniGBIC1

miniGBIC2

 

SLM248G4S

G3

G4

 

 

 

SLM224G4S

G3

G4

 

 

 

To establish a Gigabit Ethernet connection using a miniGBIC port, you will need to install a MGBT1, MGBSX1, or MGBLH1 Gigabit expansion module and use Category 5e cabling or fiber optic cabling.

To establish a Fast Ethernet connection using a miniGBIC port, you will need to install a MFEFX1 (100BASE-FX) or MFELX1 (100BASE-LX) 100SFP Transceiver and use fiber optic cabling.

Installation

The hardware installation is complete. Proceed to “Chapter 5: Configuration Using the Web-based Utility”, for directions on how to set up the Switch.

Configuring Stacking Mode

The SLM224G4S and SLM248G4S Switches can operate in either standalone mode or stacking mode. In standalone mode, the switch operates independently of other switches. In stacking mode, multiple Resilient Clustering Smart Switches are connected together to effectively form a single switch. The default operating mode is stacking mode.

A Switch stack can contain any combination of SLM224G4S and SLM248G4S units, with the following limits:

•SLM224G4S only: Maximum of 6 units

•SLM248G4S only: Maximum of 4 units

•SLM224G4S and SLM248G4S: Maximum of 192 10/100 ports (total among all switches)

Each switch in a stack is assigned a unique unit number. These numbers indicate the switch’s status in the stack:

•Unit 1:The switch is the Master unit.The master handles the management functions for the entire stack.

•Unit 2:The switch is the Backup Master unit.The backup master automatically becomes the new master if the master fails.

•Unit 3, 4, 5, 6: The switch is a Slave unit. (Depending on the switch models used, 5 and 6 may not be valid.)

The Switches are connected together using a pair of Gigabit ports on each Switch: G1 and G2, G3 and G4, or miniGBIC1 and miniGBIC2. Linksys recommends using Gigabit ports G1 and G2 (the default stacking ports). Connections are made using Category 5e Ethernet network cables.

To set up a stack with six switches, follow these steps:

1.Connect one end of a Category 5e Ethernet network cable to port G1 on Unit 1.

2.Connect the cable’s other end to port G2 on Unit 2.

3.Connect one end of a Category 5e Ethernet network cable to port G1 on Unit 2.

4.Connect the cable’s other end to port G2 on Unit 3.

5.Connect one end of a Category 5e Ethernet network cable to port G1 on Unit 3.

6.Connect the cable’s other end to port G2 on Unit 4.

7.Connect one end of a Category 5e Ethernet network cable to port G1 on Unit 4.

8.Connect the cable’s other end to port G2 on Unit 5.

9.Connect one end of a Category 5e Ethernet network cable to port G1 on Unit 5.

24/48-Port 10/100 + 4-Port Gigabit Resilient Clustering Smart Switch with 2 Combo SFPs



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Contents Port or 48-Port 10/100 + About This Guide About This GuideIcon Descriptions Online ResourcesTable of Contents Snmp Appendix B About Switch Stacking Appendix C GlossaryGigabit Ethernet Fiber Optic Cabling Appendix D Specifications Appendix G Contact InformationChapter IntroductionChapter Product Overview Product OverviewFront Panel Back PanelSLM248G4S Chapter Installation InstallationPre-Installation Considerations Placement OptionsHardware Installation Desktop PlacementRack-Mount Placement Uplinking the Switch Configuring Stacking ModeReplacing a Stacked Switch Connect port G1 on Unit 2 to port G2 on UnitConnect port G1 on Unit 3 to port G2 on Unit Chapter Configuration Using Console Interface Using the HyperTerminal ApplicationUsing telnet Login screen appears. Proceed to the Login section belowHow to Use the Console Interface LoginSwitch Main Menu System Configuration MenuManagement Settings User & Password SettingsSystem Information Security Settings IP ConfigurationNetwork Configuration File ManagementRestore System Default Settings Reboot SystemStack Configuration Port Configuration System ModePort Status HelpChapter Configuration Using Web-based Utility SetupSetup Summary Device InformationSetup Zoom Setup Network SettingsDefault Gateway The IP address default 0.0.0.0 DNS Server The IP address of your ISP’s server thatSetup Time IdentificationLocal Time Daylight SavingSetup Stack Management Port Management Port SettingsPort Management Sntp ServersPort Configuration LAG Configuration Port Management Link AggregationLacp screen contains fields for configuring Lacp LAGs Port Management LacpGlobal Parameter Port PriorityVlan Management Port Settings Vlan ManagementVlan Management Create Vlan Lacp Port TableVlan Management Port to Vlan Vlan Management Vlan to PortJoin Vlan to Port Statistics Statistics Rmon StatisticsStatistics Rmon History Rmon HistoryLog Table Rmon History TableStatistics Rmon Alarms Add AlarmStatistics Port Utilization Statistics Rmon EventsStatistics Interface Statistics Security 802.1x Settings SecurityInterface Ethernet-likeSetting Timer Security Port SecuritySecurity Management Access List Web IP FilteringSecurity Storm Control Security RadiusBroadcast Only Counts only Broadcast traffic QoS CoS Settings CoS SettingsCoS Default CoS Settings screen is used to enable or disable CoSQoS Queue Settings QoS Dscp SettingsQoS Bandwidth QoS Basic Mode Spanning TreeSpanning Tree STP Status Spanning Tree STP Port Settings Global SettingBridge Settings Spanning Tree Global STPVlan Igmp Settings MulticastMulticast Igmp Snooping Igmp GlobalMulticast Bridge Multicast Multicast Bridge Multicast Forward AllSnmp Global Parameters Snmp ViewsSnmp Group Profile Snmp Group MembershipUser Name Provides a user-defined local user list Snmp Communities Snmp Notification Filter Snmp Notification RecipientBase Table Advanced TableAdmin Admin User AuthenticationUser Authentication Local User EditAdmin Static Address Admin Dynamic AddressSecure The entry is defined for locked ports Clear Table If selected, this clears the MAC Address tableAdmin Port Mirroring Admin Cable TestQuery Admin Save Configuration Admin Firmware Upgrade Admin RebootAdmin Factory Default Admin Logging Admin Server LogsAdmin Memory Logs Admin Flash Logs LogoutAppendix a Appendix a About Gigabit Ethernet Fiber Optic CablingGigabit Ethernet Fiber Optic CablingAppendix B About Switch Stacking About Switch StackingAppendix B Stack Building Quick StartAdvanced Stacking Stack ResiliencyUnit IDs Unit ID AllocationStack Units Startup Process Master DiscoveryMaster Election Unit and Port Configuration User ControlsStacking Examples Replacing a Failed Stack Member in a Running StackStack Master Failure and Replacement Subgroup Contains Both Master Unit and Backup Master Unit Splitting a StackMerging Two Stacks Both Stacks Kept Running During InsertionStacking Cable Failure Inserting Too Many UnitsAppendix C Appendix C GlossaryGlossary Glossary Packet a unit of data sent over a network Mail protocol on the InternetAppendix C Appendix D Specifications SpecificationsAppendix D Dimensions HOL Blocking Head of line blocking preventionSupports up to 9K byte frames 802.3 10BASE-T EthernetWarranty Information Limited WarrantyObtaining Warranty Service Appendix EWarranty Information Technical SupportAppendix F Regulatory InformationRegulatory Information Appendix F Norsk Norwegian Miljøinformasjon for kunder i EU Appendix F Appendix G Contact Information

SLM224G4S specifications

The Linksys SLM224G4S is a sophisticated Layer 2 managed switch designed for businesses and institutions that demand high performance, reliability, and advanced networking features. This model stands out due to its blend of robustness and manageability, making it ideal for expanding networks.

One of the primary features of the SLM224G4S is its 24 Gigabit Ethernet ports, allowing for high-speed data transfers essential for bandwidth-intensive applications. Supporting auto-negotiation, these ports can detect the capabilities of connected devices and configure themselves accordingly, ensuring optimal performance without manual intervention. With four additional shared Gigabit SFP (Small Form-factor Pluggable) ports, this switch provides flexibility in network design and enhances scalability.

The SLM224G4S supports VLAN (Virtual Local Area Network) capabilities, which can segment network traffic to improve security and performance. This is particularly useful in environments where different departments or teams require distinct network segments for operational efficiency. By implementing VLANs, organizations can enhance their network management while isolating sensitive information from potential threats.

Quality of Service (QoS) is another critical technology integrated into the SLM224G4S. It prioritizes network traffic, ensuring that critical applications receive the bandwidth they need for optimal performance. This is particularly important for VoIP and video conferencing applications, where latency and jitter can significantly impact user experience.

The switch also features advanced Layer 2 management functionalities, including SNMP (Simple Network Management Protocol), allowing IT administrators to monitor network performance and quickly troubleshoot issues. The embedded web-based management interface makes configuration straightforward, enabling quick adjustments to settings without deep networking knowledge.

Security is a paramount consideration in today’s networking landscape. The SLM224G4S provides robust security features, including port security that limits the number of MAC addresses allowed on a port, reducing the risk of unauthorized access. Moreover, it supports802.1X port-based authentication, ensuring that only authenticated devices can connect to the network.

In summary, the Linksys SLM224G4S managed switch boasts features such as 24 Gigabit Ethernet ports, VLAN support, QoS, SNMP management, and advanced security protocols. These characteristics make it an excellent choice for businesses looking to enhance their network's performance, safety, and reliability, paving the way for seamless connectivity in today’s digital age.
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