Linksys Smart Switch LGS3XX User Manual
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Linksys Smart Switch LGS3XX User Manual

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  • Page 1 User Guide Smart Switch LGS3XX...

  • Page 2: Table Of Contents

    Linksys Table of Contents Table of Contents Chapter 1: Getting Started Flash Memory Log Starting the Web-based Configuration Utility Chapter 5: Port Management Launching the Configuration Utility Ports Interface Naming Conventions Link Aggregation Window Navigation Overview Chapter 2: System Status...
  • Page 3 Linksys Table of Contents Spanning Tree STP Interfaces DHCP RSTP Interfaces Overview Chapter 8: MAC Address Management DHCP Snooping Overview DHCP Interfaces Dynamic MAC Addresses DHCP Snooping Binding Database Chapter 9: Multicast Interface Settings Overview Chapter 12: Security Feature Configuration...
  • Page 4 Linksys Table of Contents Overview Firmware & Boot Code Active Firmware Image Configuration & Log Configuration File Copy Diagnostics Optical Module Status Ping Port Mirroring...

  • Page 5: Chapter 1: Getting Started

    Linksys CHAPTER 1 Getting Started CHAPTER 1 Getting Started STEP 2 Enter the IP address of the device you are configuring in the address bar on the browser, and then press Enter . NOTE When the device is using the factory default IP address of 192 . 1 68 . 1 .251, its power LED flashes continuously .
  • Page 6 Linksys CHAPTER 2 System Status To display Ethernet statistics and/or set the refresh rate, do the following: STEP 1 Click System Status > Interface Statistics. STEP 2 Enter the parameters. System Status Interface Statistics Interface—Select the specific interface for which Ethernet statistics are to •...
  • Page 7 Linksys CHAPTER 1 Getting Started Button Name Description Close Click to return to the previous page . Any changes not applied are cleared . Clear All Click to clear the statistic counters for all interfaces . Clear Click to clear information, such a counters of an interface or all interface, or log files .

  • Page 8: Chapter 2 System Status

    Linksys CHAPTER 2 System Status CHAPTER 2 System Status Firmware Version—Firmware version number . • • Boot Code Version—Boot version number . Hardware Version —Hardware version number of the device . • Serial Number—Serial number . Device Status • •...

  • Page 9: Rmon

    Linksys CHAPTER 2 System Status RMON Jabbers—Total number received packets that were longer than 1632 • octets . This number excludes frame bits, but includes FCS octets that had The Statistics page displays detailed information regarding packet sizes and either a bad FCS with an integral number of octets (FCS Error) or a bad FCS information regarding physical layer errors .
  • Page 10 Linksys CHAPTER 2 System Status To display Ethernet statistics and/or set the refresh rate, do the following: STEP 1 Click System Status > Interface Statistics . STEP 2 Enter the parameters . Interface Statistics Interface—Select the specific interface for which Ethernet statistics are to •...

  • Page 11: Chapter 3 Quick Start

    Linksys Chapter 3 Quick Start Chapter 3 Quick Start Quick Start This section describes how to view device statistics . To simplify device configuration through quick navigation, the Quick Start page provides links to the most commonly used pages .

  • Page 12: Chapter 4 System Management

    Linksys Chapter 4 System Management Chapter 4 System Management Time This section describes the options for configuring the system time, time zone, and Daylight Savings Time (DST) . It covers the following topics: Overview • System Management • System Time This chapter describes the following topics: •...

  • Page 13: Sntp Modes

    Linksys Chapter 4 System Management NOTE The device supports Simple Network Time Protocol (SNTP) and when Dynamic configuration of the time zone and DST continues after the IP • enabled, the device dynamically synchronizes the device time with address lease time has expired .
  • Page 14 Linksys Chapter 4 System Management STEP 2 Enter these parameters: Daylight Savings — Select to enable Daylight Saving Time . • Clock Source—Select the source used to set the system clock . • Time Set Offset—Enter the number of minutes offset from GMT ranging from1—1440 .

  • Page 15: Sntp Unicast Server

    Linksys Chapter 4 System Management SNTP Unicast Server SNTP Server—Select if the SNTP server is going to be identified by its IP • address or if you are going to select a well-known SNTP server by name Up to 16 Unicast SNTP servers can be configured .

  • Page 16: Snmp

    This section describes the Logs feature, which enables the device to generate multiple independent logs . It covers the following topics: Mode Name Description Object ID Overview • LGS308 8-Port Smart Gigabit Switch enterprises(1) .linksys(3955) . smb(1000) .3 .8 .1 • Log Management LGS318 16-Port Smart Gigabit enterprises(1) .linksys(3955) .

  • Page 17: System Log

    Linksys Chapter 4 System Management You can select the events by severity level . Each log message has a severity None—Do not include the origin identifier in SYSLOG messages . • level marked with the first letter of the severity level separated by dashes (-) on •...

  • Page 18: Remote Log Servers

    Linksys Chapter 4 System Management Remote Log Servers Minimum Logging Level—Select the minimum level of system log • messages to be sent to the server . The Remote Log Servers page enables defining remote SYSLOG servers where STEP 4 Click Apply . The SYSLOG server is added, and the Running Configuration log messages are sent (using the SYSLOG protocol) .

  • Page 19: Chapter 5 Port Management

    Linksys Chapter 5 Port Management Chapter 5 Port Management Configure Green Ethernet energy mode and 802 .3 Energy Efficient Ethernet per port by using the Green Ethernet page . If PoE is supported and enabled for the device, configure the device as described in PoE .

  • Page 20: Link Aggregation

    Linksys Chapter 5 Port Management Port protection is not subject to VLAN membership . Devices connected to MDI/MDIX—the Media Dependent Interface (MDI)/Media Dependent • • protected ports are not allowed to communicate with each other, even if • Interface with Crossover (MDIX) status on the port . The options are as they are members of the same VLAN .

  • Page 21: Lags

    Linksys Chapter 5 Port Management Load Balancing Default Settings and Configuration Traffic forwarded to a LAG is load-balanced across the active member ports, • Ports are not members of a LAG and are not candidates to become part of a LAG .

  • Page 22: Green Ethernet

    Linksys Chapter 5 Port Management STEP 3 Select the LAG to be configured, and click Edit . 1000 Full Duplex—The LAG advertises a 1000 Mbps speed and the mode • is full duplex . STEP 4 Enter the values for the following fields: •...

  • Page 23: Default Configuration

    Linksys Chapter 5 Port Management Energy Efficient Ethernet Feature Default Configuration EEE is designed to save power when there is no traffic on the link . In Green • By default, 802 .3 EEE is enabled globally and per port .

  • Page 24: Poe

    Linksys Chapter 5 Port Management Configuring Green Ethernet Operational—Displays whether EEE is currently operating on the local port . • This is a function of whether it has been enabled (Administrative Status), To configure Green Ethernet globally and on a port, do the following: whether it has been enabled on the local port and whether it is operational on the local port .

  • Page 25: Overview

    Linksys Chapter 5 Port Management Overview Power Modes Power per port can be limited depending on the Power Mode: • A PoE device is PSE (Power Sourcing Equipment) that delivers electrical power to connected PD (Powered Devices) over existing copper cables without •...

  • Page 26: Feature Configuration

    Linksys Chapter 5 Port Management • Maximum port limit allowed as a per-port numerical limit in mW (Port • Nominal Power —The total amount of power in watts that the device can Limit mode) . supply to all the connected PDs .

  • Page 27: Class Limit Power Mode

    Linksys Chapter 5 Port Management Class Limit Power Mode • To configure class limit power mode, do the following: STEP 1 Click Configuration > Port Management > PoE > Class Limit Power Mode . The following fields are displayed for ports on which the port limit power mode is enabled: PoE Status—Enable or disable PoE on the port .

  • Page 28: Chapter 6 Vlan Management

    Linksys Chapter 6 VLAN Management Chapter 6 VLAN Management If a frame is VLAN-tagged, a four-byte VLAN tag is added to each Ethernet frame . The tag contains a VLAN ID between 1 and 4094, and a VLAN Priority Tag (VPT) between 0 and 7 .

  • Page 29: Vlans

    Linksys Chapter 6 VLAN Management Assign interfaces to VLANs by using the Configuring Port to VLAN section or STEP 2 Enter the value for the following field: the Configuring VLAN Membership section . • Current Default VLAN—Displays the current default VLAN ID. View the current VLAN port membership for all the interfaces in the •...

  • Page 30: Interfaces

    Linksys Chapter 6 VLAN Management VLAN Memberships • Range of VLANs—Select to create a range of VLANs and specify the range of VLANs to be created by entering the Starting VID and Ending VID, inclusive . The VLAN Memberships page displays the VLAN memberships of the ports in When using the Range function, the maximum number of VLANs you can various presentations .

  • Page 31: Voice Vlan

    Linksys Chapter 6 VLAN Management When a port is manually configured as a candidate to join the voice VLAN, the • Forbidden—The interface is not allowed to join the VLAN . When a port is device dynamically adds the port to the voice VLAN if it receives a packet with a not a member of any other VLAN, enabling this option on the port makes the port part of internal VLAN 4095 (a reserved VID) .

  • Page 32: Feature Configuration

    Linksys Chapter 6 VLAN Management Telephony OUI Interfaces The Voice VLAN QoS is applied to candidate ports that have joined the Voice • VLAN, and to static ports . The QoS attributes can be assigned per port to the voice packets in one of the The voice flow is accepted if the MAC address can be learned by the •...

  • Page 33: Chapter 7 Spanning Tree Management

    Linksys Chapter 7 Spanning Tree Management Chapter 7 Spanning Tree • Rapid STP (RSTP) – Detects network topologies to provide faster convergence of the spanning tree . This is most effective when the network topology is naturally tree-structured, and therefore faster convergence might be Management possible . RSTP is enabled by default .

  • Page 34: Stp Interfaces

    Linksys Chapter 7 Spanning Tree Management Maximum Age—Set the interval (in seconds) that the device can wait Use Global Settings—Select to use the settings defined in the Spanning • • without receiving a configuration message, before attempting to redefine Tree page .
  • Page 35 Linksys Chapter 7 Spanning Tree Management To enter RSTP settings, do the following: Alternate — Provides an alternate path to the root bridge from the root • interface . STEP 1 Click Configuration > Spanning Tree Management> RSTP Interfaces .

  • Page 36: Chapter 8 Mac Address Management

    Linksys Chapter 8 MAC Address Management Chapter 8 MAC Address Configuring Dynamic MAC Address Aging Time To configure the aging interval for dynamic addresses, do the following: Management STEP 1 Click Configuration > MAC Address Management > Dynamic MAC Addresses .

  • Page 37: Chapter 9: Multicast

    Linksys Chapter 9 Multicast Chapter 9 Multicast Register the Multicast addresses being listened to by the node with local • routers, so that local and remote routers can route the Multicast packet to the nodes . Typical Multicast Setup Multicast...

  • Page 38: Feature Configuration

    Linksys Chapter 9 Multicast The system maintains lists of Multicast groups for each VLAN, and this manages By default, all Multicast frames are flooded to all ports of the VLAN . To selectively the Multicast information that each port should receive . The Multicast groups...

  • Page 39: Igmp Snooping

    Linksys Chapter 9 Multicast STEP 3 Select a VLAN, and click Edit . Enter the parameters: • By IPv4 Group Address—Select to enable the IPv4 group address method for forwarding Multicast packets . VLAN ID—Select the VLAN ID on which IGMP snooping is defined .

  • Page 40: Forward All

    Linksys Chapter 9 Multicast • Interface Type—Select whether to display ports or LAGs. • Forbidden — Ports cannot receive any Multicast streams, even if IGMP STEP 3 Click Search. The interfaces matching the query criteria are displayed. snooping designated the port to join a Multicast group.

  • Page 41: Igmp Ip Group Addresses

    Linksys Chapter 9 Multicast IGMP IP Group Addresses Multicast address, the frame is forwarded to all ports that are members of the MAC group address. The IGMP IP Group Addresses page displays the IPv4 group address learned from The MAC Group Address FDB page has the following functions: IGMP messages.

  • Page 42: Ip Group Address Fdb

    Linksys Chapter 9 Multicast • Interface Type—Port or LAG . • VLAN ID—Defines the VLAN ID of the group to be added . STEP 7 Click Search to display the port or LAG membership . IP Group Address—Define the IP address of the new Multicast group .

  • Page 43: Chapter 10 Ip Interface

    Linksys Chapter 10 IP Interface Chapter 10 IP Interface If the device does not receive a DHCPv4 response in 60 seconds, it continues to send DHCPDISCOVER queries, and adopts the default IPv4 address: 192 . 1 68 . 1 .251/24 .

  • Page 44: Arp

    Linksys Chapter 10 IP Interface Management VLAN—Select the Management VLAN used to access the STEP 1 Click Configuration > IP Interface > IPv4 > ARP . • device through telnet or the Web GUI . VLAN1 is the default Management STEP 2 Enter the parameters .

  • Page 45: Ipv6 Interface

    Linksys Chapter 10 IP Interface IPv6 Interface Addresses IPv6 nodes require an intermediary mapping mechanism to communicate with other IPv6 nodes over an IPv4-only network . This mechanism, called a tunnel, To assign an IPv6 address to an IPv6 Interface, do the following: enables IPv6-only hosts to reach IPv4 services, and enables isolated IPv6 hosts and networks to reach an IPv6 node over the IPv4 infrastructure .

  • Page 46: Ipv6 Default Routers

    Linksys Chapter 10 IP Interface IPv6 Default Routers The IPv6 Default Routers page enables configuring and viewing the default IPv6 router addresses . This list contains the routers that are candidates to become the device default router for nonlocal traffic (it may be empty) . The device randomly selects a router from the list .

  • Page 47: Chapter 11 Ip Network Operations

    Linksys Chapter 11 IP Network Operations Chapter 11 IP Network DNS Server State — Whether DNS server is Active or Inactive. • • IP Interface — Interface connected to DNS server. Operations Preference — Each server has a preference value, a lower value means a • higher chance of being used. • Configuration Source — Source of the server’s IP address (static or DHCPv4 or DHCPv6) STEP 3 Up to eight DNS servers can be defined. To add a DNS server, click Add. IP Network Operations Enter the parameters.

  • Page 48: Dhcp

    Linksys Chapter 11 IP Network Operations Overview DHCP Trusted Ports DHCP snooping provides a security mechanism to prevent receiving false DHCP Ports can be either DHCP trusted or untrusted . By default, all ports are untrusted . response packets and to log DHCP addresses . It does this by treating ports on the To create a port as trusted, use the DHCP Snooping Trusted Interface page .

  • Page 49: Dhcp Snooping

    Linksys Chapter 11 IP Network Operations DHCP Snooping Packet Handling DHCPRELEASE Same Same as DHCPDECLINE . DHCPDECLINE . Packet Type Arriving from Arriving from Trusted Ingress DHCPINFORM Forward to trusted Forward to trusted interfaces only . Untrusted Ingress interfaces only .

  • Page 50: Dhcp Snooping Binding Database

    Linksys Chapter 11 IP Network Operations • Interface IP Address—IP address of the interface on which DHCP Snooping • Dynamic—Entry has limited lease time. is enabled. • Static—Entry was statically configured. DHCP Snooping—Select to enable DHCP snooping. • Lease Time—If the entry is dynamic, enter the amount of time that the •...

  • Page 51: Chapter 12: Security

    Linksys Chapter 12 Security Chapter 12 Security NOTE It is not permitted to delete all users . If all users are selected, the Delete button is disabled . To add a new user: STEP 1 Click Configuration > Security > Management Security > User Access &...

  • Page 52: Radius

    Linksys Chapter 12 Security RADIUS Timeout for Reply—Enter the number of seconds that the device waits for • an answer from the RADIUS server before retrying the query, or switching Remote Authorization Dial-In User Service (RADIUS) servers provide a to the next server .

  • Page 53: Network Access Control

    Linksys Chapter 12 Security Server Settings This is described in the figure below: • Authentication Port—Enter the UDP port number of the RADIUS server port for authentication requests . Priority—Enter the priority of the server . The priority determines the •...

  • Page 54: Authentication Server

    Linksys Chapter 12 Security Authentication Server • Multi-Sessions Mode Unlike multi-host modes, a port in the multi-session mode does not have An authentication server performs the actual authentication of the client . The an authentication status . This status is assigned to each client connected authentication server for the device is a RADIUS authentication server with EAP to the port .

  • Page 55: Feature Configuration

    Linksys Chapter 12 Security STEP 4 Click Apply, and the Running Configuration file is updated . None—Do not authenticate the user . Permit the session . • STEP 5 Click Configuration > Security > Network Control > Port Authentication .

  • Page 56: Authenticated Hosts

    Linksys Chapter 12 Security • Multiple Sessions—Supports client-based authentication with multiple • Classic Lock—All learned MAC addresses on the port are locked, and the clients per port port does not learn any new MAC addresses . The learned addresses are not subject to aging or relearning .

  • Page 57: Storm Control

    Linksys Chapter 12 Security Maximum Addresses—Enter the maximum number of MAC addresses Multicast & Broadcast—Counts Broadcast and Multicast traffic towards • • that can be learned on the port if Limited Dynamic Lock learning mode is the bandwidth threshold .

  • Page 58: Chapter 13 Quality Of Service

    Linksys Chapter 13 Quality of Service Chapter 13 Quality of Service Other Traffic Class-Handling Attribute—Applies QoS mechanisms to • various classes, including bandwidth management . QoS Operation When using the QoS feature, all traffic of the same class receives the same...

  • Page 59: Queue Scheduling

    Linksys Chapter 13 Quality of Service The following fields are displayed for all ports/LAGs: The queuing modes can be selected in the Queue Scheduling page . When • • the queuing mode is by strict priority, the priority sets the order in which •...

  • Page 60: Basic Qos

    Linksys Chapter 13 Quality of Service Basic QoS • Committed Information Rate (CIR) sets the average maximum amount of data allowed to be sent on the egress interface, measured in bits per second In QoS Basic Mode, a specific domain in the network can be defined as trusted .
  • Page 61 Linksys Chapter 13 Quality of Service STEP 2 Select the Trust Mode while the device is in Basic Mode . If a packet CoS level and DSCP tag are mapped to separate queues, the trust mode determines the queue to which the packet is assigned: •...

  • Page 62: Chapter 14: Maintenance

    Linksys Chapter 14 Maintenance Chapter 14 Maintenance Reboot Some configuration changes, such as enabling jumbo frame support, require the system to be rebooted before they take effect . However, rebooting the device deletes the Running Configuration, so it is critical that the Running Configuration is saved to the Startup Configuration before the device is rebooted .

  • Page 63: Firmware & Boot Code

    Linksys Chapter 14 Maintenance • Internal copy. Firmware — The program that controls the operations and functionality • of the device; more commonly referred to as the image . • HTTP/HTTPS that uses the facilities that the browser provides. • Boot Code — Controls the basic system startup and launches the firmware •...

  • Page 64: Active Firmware Image

    Linksys Chapter 14 Maintenance STEP 3 If you selected via TFTP, enter the parameters as described in this step . STEP 5 Click Apply . Otherwise, skip to STEP 4 . NOTE When the process is completed, the following information is...
  • Page 65 Linksys Chapter 14 Maintenance • Restoring configuration files from an external device to the device .When • Link Local—The IPv6 address uniquely identifies hosts on a single network restoring a configuration file to the Running Configuration, the imported link . A link local address has a prefix of FE80, is not routable, and can be file adds any configuration commands that did not exist in the old file and used for communication only on the local network .

  • Page 66: Configuration File Copy

    Linksys Chapter 14 Maintenance Configuration File Copy by the SFP (Small Form-factor Pluggable) transceiver . Some information might not be available for SFPs that do not support the digital diagnostic monitoring When you click Apply on any window, changes that you made to the device standard SFF-8472 .

  • Page 67: Port Mirroring

    Linksys Chapter 14 Maintenance Port Mirroring • Link Local—The IPv6 address uniquely identifies hosts on a single network link . A link local address has a prefix of FE80, is not routable, and can be used for communication only on the local network . Only one link local Port mirroring is used on a network device to send a copy of network packets address is supported .
  • Page 68 . Source Port—Select the source port from where traffic is to be mirrored . • Click “Get Support” and take you to Linksys Small Business support website, • Mirror Type—Select whether incoming, outgoing, or both types of traffic where you can find out all the ways you can get support and help for your are mirrored to the analyzer port .

  • Page 69: Technical Support

    © 2014 Belkin International, Inc. and/or its affiliates. All rights reserved. BELKIN, LINKSYS and many product names and logos are trademarks of the Belkin group of companies. Third-party trademarks mentioned are the property of their respective owners.

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