Linksys SRW248G4, SRW2048 manual Spanning Tree Tab Global Settings, Spanning Tree Global Settings

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WebView Switches

Spanning Tree Tab - Global Settings

Spanning Tree Protocol (STP) provides tree topography for any bridge arrangement. STP eliminates loops by providing one path between end stations on a network.

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.

The Switch supports the following Spanning Tree versions:

Classic STP. This version provides a single path between end stations, avoiding and eliminating loops.

Rapid STP (RSTP). This version is supported on the Gigabit Ethernet Switches ONLY. This detects and uses network topologies that provide faster convergence of the spanning tree, without creating forwarding loops. If RSTP is enabled, but the neighboring device is STP enabled, the local device uses STP.

Multiple STP (MSTP). This version is supported on the Gigabit Ethernet Switches ONLY. This provides full connectivity for packets allocated to any VLAN. Multiple STP is based on the RSTP. In addition, Multiple STP transmits packets assigned to different VLANs through different MST regions. MST regions act as a single bridge if MSTP is enabled. However, if RSTP is enabled on a neighboring device, the local device uses STP, RSTP, and MSTP interoperability.

The Global Settings screen contains the following fields:

Spanning Tree State. Enables or disables STP, Rapid STP, or MSTP on the Switch.

STP Operation Mode. Available on the Gigabit Ethernet Switches ONLY. Indicates the STP mode by which STP is enabled on a Gigabit Ethernet Switch. The possible field values are:

Classic STP - Enables Classic STP. This is the default value.

Rapid STP - Enables Rapid STP.

Multiple STP - Enables Multiple STP.

BPDU Handling. Determines how BPDU packets are managed when STP is disabled. BPDUs are used to transmit spanning tree information. The possible field values are:

Filtering - Filters BPDU packets when spanning tree is disabled. This is the default value.

Flooding - Floods BPDU packets when spanning tree is disabled.

Chapter 5: Using the Web-based Utility for Configuration

NOTE: Spanning Tree Protocol (STP) is not supported on the SRW2016 or SRW2024 Switches.

NOTE: Rapid STP and Multiple STP are available on the SRW2048 Switches ONLY.

Figure 5-86: Spanning Tree - Global Settings

86

Spanning Tree Tab - Global Settings

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Contents User Guide Copyright and Trademarks Word definitionTable of Contents WebView Switches Spanning Tree Tab on SRW2048 Switches Mstp Properties Help TabGigabit Ethernet Fiber Optic Cabling Front Panel of the 16-Port Switch Back Panel of the 16-Port Switch24 Network Configuration 26 QoS CoS Settings 55 Statistics Etherlike Statistics 85 Maintenance Http File Download Introduction WelcomeWhat’s in this User Guide? Getting to Know the Switch OverviewFront Panel LEDsBack Panel ConsoleConnecting the Switch Maximum Cabling Distances From Maximum DistanceBefore You Install the Switch Placement OptionsDesktop Placement Rack-Mount Placement Attach the Brackets to the SwitchConsole Interface for Configuration for directions Using the Console Interface for Configuration Configuring the HyperTerminal ApplicationConnecting to the Switch through a Telnet Session COM1 PropertiesConfiguring the Switch through the Console Interface Switch Main MenuPort Configuration System Information Management Settings Security Settings IP Configuration Http 24 Network Configuration File Management Using the Web-based Utility for Configuration Accessing the Web-based UtilitySys. Info. System Information Tab System Mode Sys. Info. System Information Tab System DescriptionSys. Info. System Information Tab Forwarding Database System Information Forwarding DatabaseSys. Info. System Information Tab Time Synchronization System Information Time SynchronizationIP Conf. Configuration Tab IP Addr. Address IP Configuration IP AddressSwitch Conf. Configuration Tab Interface Conf. Configuration Interface Configuration Change Settings WebView Switches Switch Conf. Configuration Tab Vlan Vlan screen displays subgroups of a LAN Local Area NetworkSwitch Conf. Configuration Tab Vlan Interface Settings 12 Switch Configuration Vlan Interface SettingsSwitch Conf. Configuration Tab Gvrp Parameters Switch Conf. Configuration Tab PVE MappingGvrp Parameters Gigabit Ethernet Switches only Switch Conf. Configuration Tab LAG Conf. Configuration 16 Switch Configuration LAG ConfigurationSwitch Conf. Configuration Tab Port Mirroring 18 Switch Configuration Port MirroringSwitch Conf. Configuration Tab Lacp 19 Switch Configuration LacpSwitch Conf. Configuration Tab Igmp Snooping 21 Switch Configuration Igmp SnoopingSwitch Conf. Configuration Tab Bridge Multicast 23 Switch Configuration Bridge MulticastSwitch Conf. Configuration Tab Bridge Multicast Forward All 25 Switch Configuration Bridge Multicast Forward AllQoS Tab CoS Settings 26 QoS CoS SettingsQoS Tab Queue Settings QoS Tab CoS to QueueQoS Tab Bandwidth 30 QoS Edit BandwidthSecurity Tab Local Users/System Password Security Tab 802.1x UsersSecurity Tab 802.1x Port Conf. Configuration Is set by the authentication method35 802.1x Port Configuration Change Settings Security Tab Radius Server 36 Security Radius ServerWebView Switches Security Tab Authenticated Users Security Tab Storm ControlSecurity Tab for SRW2048 Switches ACL 40 SRW2048 Switch Security ACLSecurity Tab for SRW2048 Switches Profile Rules 42 SRW2048 Switch Security Profile RulesSecurity Tab for SRW2048 Switches Authentication Profiles 43 SRW2048 Switch Security Authentication ProfilesSecurity Tab for SRW2048 Switches Authentication Mapping 44 SRW2048 Switch Security Authentication MappingSecurity Tab for SRW2048 Switches TACACS+ 45 SRW2048 Switch Security TACACS+Security Tab for Other Switches ACL 46 Fast Ethernet Security ACLSecurity Tab for Other Switches MAC Based ACL Click the Submit buttonSecurity Tab for Other Switches ACL Mapping 49 Fast Ethernet Security ACL MappingSntp Tab Global Settings 50 Sntp Global SettingsSntp Tab Authentication 51 Sntp AuthenticationSntp Tab Servers 52 Sntp ServersSntp Tab Interface Settings 53 Sntp Interface SettingsStatistics Tab Interface Statistics Statistics Tab Etherlike Statistics Statistics Tab Rmon Statistics 56 Statistics Rmon StatisticsWebView Switches Statistics Tab Rmon History Control Statistics Tab Rmon History Log 58 Statistics Rmon History LogStatistics Tab Rmon Alarms 59 Statistics Rmon Alarms60 Statistics add Rmon Alarm entry Statistics Tab Rmon Events Control 61 Statistics Rmon Events ControlStatistics Tab Rmon Events Log Log No. This is the log numberStatistics Tab EAP Statistics Statistics Tab Gvrp Statistics 64 Statistics Gvrp StatisticsLogs Tab Message Log Logs Tab Event LogLogs Tab Global Parameters 67 Logs Global ParametersSnmp Tab Snmp v1Snmp Configuring Snmp Security Defining Snmp SecurityDefining Snmp Views 69 Snmp ViewsDefining Snmp Group Profiles 70 Snmp Group Profile71 Snmp add Group Profile Defining Snmp Group Members 72 Snmp Group MembershipDefining Snmp Communities Snmp Communities Basic TableConfiguring Snmp Notifications Snmp Communities Advanced TablesDefining Snmp Notification Filters 76 Snmp Notification FilterDefining Snmp Notification Recipients 77 Snmp Notification ReceiverMaintenance Tab Telnet Maintenance Tab ResetMaintenance Tab File Download Maintenance Tab File Upload 81 Maintenance File UploadMaintenance Tab Restore Defaults Maintenance Tab Integrated Cable TestMaintenance Tab Http File Download 85 Maintenance Http File DownloadSpanning Tree Tab Global Settings 86 Spanning Tree Global SettingsWebView Switches Spanning Tree Tab STP Interface Settings MAC addressesWebView Switches 88 Spanning Tree Rstp Interface Settings WebView Switches Spanning Tree Tab on SRW2048 Switches Mstp Properties 89 Spanning Tree Mstp PropertiesSpanning Tree Tab on SRW2048 Switches Mstp Instance Settings 91 Spanning Tree Mstp Interface Settings Help Tab Gigabit Ethernet Fiber Optic CablingAppendix B Windows Help Shared ResourcesNetwork Neighborhood/My Network Places Appendix C Glossary WebView Switches 100 101 102 Appendix D Specifications 802.3z Gigabit Ethernet, 802.3x Flow ControlDimensions SRW2048 16.93 x 1.75 x 13.78 430 mm x 44.45 mm x 350 mmAppendix E Warranty Information Limited WarrantyAppendix F Regulatory Information FCC Statement107 108 109 110 111 112 Appendix G Contact Information
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SRW2016, SRW224G4, SRW2048, SRW248G4 specifications

The Linksys SRW2048 is a robust Layer 2 managed switch that caters to the networking needs of small to medium-sized businesses. Designed with performance and reliability in mind, it provides features that ensure optimal network efficiency and security.

One of the standout features of the SRW2048 is its 48 10/100/1000 Mbps Gigabit Ethernet ports, enabling high-speed data transfer and seamless connectivity for various devices within the network. This makes it ideal for environments with heavy data traffic, ensuring minimal latency and high performance.

The SRW2048 also supports advanced Layer 2 management features, including VLAN (Virtual Local Area Network) support, which allows users to segment the network into smaller, manageable sections. This is crucial for improving security and performance, as it reduces unnecessary traffic and potential broadcast storms. With a VLAN configuration, businesses can group users and devices based on function or department, ensuring efficient communication within teams.

In addition to VLAN capabilities, the Linksys SRW2048 incorporates Quality of Service (QoS) features. This technology prioritizes critical network traffic, such as voice over IP (VoIP) and video conferencing, ensuring that these applications receive the bandwidth they require for optimal performance. This is particularly beneficial for businesses that rely on real-time communication tools.

The switch also enhances security through features such as IEEE 802.1X port security, which ensures that only authorized users can access the network. The SRW2048 supports access control lists (ACLs), allowing administrators to set specific permissions for users and devices, further tightening security.

Linksys has also equipped the SRW2048 with a user-friendly web-based management interface, simplifying the process of configuring and monitoring network performance. This accessible interface allows IT personnel to quickly identify issues, manage traffic, and configure settings without extensive training.

Another notable characteristic of the Linksys SRW2048 is its robust build quality and reliability. With a metal chassis and fanless design, it maintains a low acoustic footprint and ensures passive cooling, making it suitable for office environments.

Overall, the Linksys SRW2048 is a feature-rich managed switch that combines advanced networking technologies, efficient performance, and security features to meet the diverse needs of modern businesses. Its scalability, manageability, and robust construction make it a valuable addition to any network infrastructure.