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Chapter 5 Tutorials

GS1910/XGS1910 Series User’s Guide

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5.12 How to Configure Access Control List (ACL) for
Packets Filtering

Access Control List (ACL) can be used as a simple packet filtering firewall to filter incoming traffic
and prevent certain traffic from entering your network. ACL groups traffic into data flows according
to specific criteria such as the source address, destination address, source port number, destination
port number or incoming port number, and also define actions to be performed for a classified
traffic flow.

The Switch checks traffic against the ACL rules in the order you list them.

In this example, you configure an ACL rule to identify all traffic coming from host A connected to
port 9 and restrict the host’s access to a specific IPv4 network.

1

Access the Switch through http://192.168.1.1. Log into the Switch by entering the username
(default: admin) and password (default: 1234).

10.1.2.0/24

A

Port 9

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Содержание GS1910

Страница 1: ...xel com GS1910 XGS1910 Series GbE Smart Managed Switch Version 1 00 Edition 1 01 2013 Copyright 2013 ZyXEL Communications Corporation User s Guide Default Login Details IP Address http 192 168 1 1 User Name admin Password 1234 ...

Страница 2: ...ot be available in your product Screenshots and graphics in this book may differ slightly from your product due to differences in your product firmware or your computer operating system Every effort has been made to ensure that the information in this manual is accurate Related Documentation Web Configurator Online Help Click the help icon in any screen for help in configuring that screen and supp...

Страница 3: ...tallation and Connection 11 2 1 Freestanding Installation 11 2 2 Mounting the Switch on a Rack 12 2 2 1 Rack mounted Installation Requirements 12 2 2 2 Attaching the Mounting Brackets to the Switch 12 2 2 3 Mounting the Switch on a Rack 13 Chapter 3 Hardware Overview 15 3 1 Front Panel Connections 15 3 1 1 Ethernet Ports 17 3 1 2 Dual Personality Interfaces 18 3 1 3 SFP SFP Slots 18 3 1 4 Console ...

Страница 4: ... Creating a Private VLAN 44 5 6 2 Enabling Port Isolation 45 5 7 How to Use IP Source Guard and DHCP Snooping to Prevent Spoofed Traffic 45 5 8 How to Use DHCP Relay on the Switch 48 5 8 1 Creating a VLAN 49 5 8 2 Configuring DHCP Relay 49 5 8 3 Troubleshooting 50 5 9 How to Use Link Aggregation to Group Multiple Ports into One Logical Link 50 5 9 1 Static Port Trunking 50 5 9 2 Dynamic Port Trunk...

Страница 5: ...er of up to 30W per Ethernet port The XGS1910 24 or XGS1910 48 is stackable and provides two or four SFP slots for uplink or stacking They can operate together with other XGS1910 24 or XGS1910 48 switches and need to be directly connected for stacking The configurations are done on the master switch which then maintains and manages the slave switches in the stack You can stack up to eight XGS1910 ...

Страница 6: ...d networks that need high bandwidth In the following example a company uses the optional 10 Gigabit uplink modules to connect the headquarters to a branch office network Within the headquarters network a company can use trunking to group several physical ports into one logical higher capacity link Trunking can be used if for example it is cheaper to use multiple lower speed links than to under uti...

Страница 7: ...s on the server and access the Internet To expand the network simply add more networking devices such as switches routers computers print servers and so on Figure 3 Gigabit to the Desktop 1 1 4 IEEE 802 1Q VLAN Application Example A VLAN Virtual Local Area Network allows a physical network to be partitioned into multiple logical networks Stations on a logical network belong to one or more groups W...

Страница 8: ...tatic address assignment and stateless auto configuration Neighbor Discovery Protocol a protocol used to discover other IPv6 devices in a network Remote Management using ping SNMP and HTTP services ICMPv6 to report errors encountered in packet processing and perform diagnostic functions such as ping IPv4 IPv6 dual stack the Switch can run IPv4 and IPv6 at the same time Multicast Listener Discovery...

Страница 9: ...nd put it in a safe place Back up the configuration and make sure you know how to restore it Restoring an earlier working configuration may be useful if the device becomes unstable or even crashes If you forget your password you will have to reset the Switch to its factory default settings If you backed up an earlier configuration file you would not have to totally re configure the Switch You coul...

Страница 10: ...Chapter 1 Getting to Know Your Switch GS1910 XGS1910 Series User s Guide 10 ...

Страница 11: ...t the weight of the Switch and the connected cables Make sure there is a power outlet nearby 3 Make sure there is enough clearance around the Switch to allow air circulation and the attachment of cables and the power cord 4 Remove the adhesive backing from the rubber feet 5 Attach the rubber feet to each corner on the bottom of the Switch These rubber feet help protect the Switch from shock or vib...

Страница 12: ...ation Requirements Two mounting brackets Eight M3 flat head screws and a 2 Philips screwdriver Four M5 flat head screws and a 2 Philips screwdriver Failure to use the proper screws may damage the unit 2 2 1 1 Precautions Make sure the rack will safely support the combined weight of all the equipment it contains Make sure the position of the Switch does not make the rack unstable or top heavy Take ...

Страница 13: ...nt the Switch on a rack Proceed to the next section 2 2 3 Mounting the Switch on a Rack 1 Position a mounting bracket that is already attached to the Switch on one side of the rack lining up the two screw holes on the bracket with the screw holes on the side of the rack Figure 7 Mounting the Switch on a Rack 2 Using a 2 Philips screwdriver install the M5 flat head screws through the mounting brack...

Страница 14: ...Chapter 2 Hardware Installation and Connection GS1910 XGS1910 Series User s Guide 14 ...

Страница 15: ...ons The figure below shows the front panel of the Switch Figure 8 Front Panel GS1910 24 Figure 9 Front Panel GS1910 24HP Figure 10 Front Panel GS1910 48 10 100 1000 Mbps RJ 45 Ethernet Ports Console Port 10 100 1000 Mbps RJ 45 SFP Dual Personality Interfaces 10 100 1000 Mbps RJ 45 PoE Ports Console Port 10 100 1000 Mbps RJ 45 PoE SFP Dual Personality Interfaces 10 100 1000 Mbps RJ 45 Ethernet Port...

Страница 16: ...net Ports 10 100 1000 Mbps RJ 45 SFP Dual Personality Interfaces Console Port SFP Slot 10 100 1000 Mbps RJ 45 Ethernet Ports 10 100 1000 Mbps RJ 45 SFP Dual Personality Interfaces SFP Slot Table 1 Panel Connections CONNECTOR DESCRIPTION 10 100 1000 Mbps RJ 45 Ethernet Ports Connect these ports to a computer a hub an Ethernet switch or router 10 100 1000 Mbps RJ 45 PoE Ports GS1910 24HP and GS1910 ...

Страница 17: ... Factor Pluggable SFP slot also called a mini GBIC Gigabit Interface Converter slot with one port active at a time 10 100 1000Base T Ports or 10 100 1000Base T PoE Ports GS1910 24HP and GS1910 48HP only Connect these ports to high bandwidth backbone network Ethernet switches using Category 5 5e 6 1000Base T Ethernet cables Use an 8 wire Ethernet cable for Gigabit connections Using a 4 wire Etherne...

Страница 18: ... and supports data rates of 10 Gbps A transceiver is a single unit that houses a transmitter and a receiver Use a transceiver to connect a fiber optic cable to the Switch The Switch does not come with transceivers You must use transceivers that comply with the Small Form Factor Pluggable SFP Transceiver MultiSource Agreement MSA See the SFF committee s INF 8074i specification Rev 1 0 for details Y...

Страница 19: ...2 Press the transceiver firmly until it clicks into place 3 The Switch automatically detects the installed transceiver Check the LEDs to verify that it is functioning properly Figure 15 Installed Transceiver 3 1 3 2 Transceiver Removal Use the following steps to remove a transceiver SFP or SFP module 1 Open the transceiver s latch latch styles vary Figure 16 Opening the Transceiver s Latch Example...

Страница 20: ...ty 8 data bits 1 stop bit No flow control Connect the male 9 pin end of the RS 232 console cable to the console port of the Switch Connect the female end to a serial port COM1 COM2 or other COM port of your computer 3 2 Rear Panel The following figure shows the rear panel of the Switch The rear panel contains a connector for the power receptacle The GS1910 48 and GS1910 48HP also have a console po...

Страница 21: ... panel and that no objects obstruct the airflow of the fans Use the following procedures to connect the Switch to a power source after you have installed it 1 Connect the female end of the power cord to the power socket of your Switch 2 Connect the other end of the cord to a power outlet Keep the power supply switch and the Switch s power switch in the OFF position until you come to the procedure ...

Страница 22: ...acking mode PWR Green On The system is turned on Off The system is off SYS Green Blinking The system is rebooting and performing self diagnostic tests On The system is on and functioning properly Off The power is off or the system is not ready malfunctioning ALM Red On There is a hardware failure Off The system is functioning normally 10 100 1000 Mbps RJ 45 Ports LNK ACT Green Blinking The system ...

Страница 23: ...et network is up Amber Blinking The system is transmitting receiving to from a 100 Mbps Ethernet network On The link to a 100 Mbps Ethernet network is up Off The link to an Ethernet network is down 10G SFP Slots LNK ACT Blue On The port has a successful connection Blinking The port is receiving or transmitting data Off This link is disconnected Table 2 LEDs continued LED COLOR STATUS DESCRIPTION ...

Страница 24: ...Chapter 3 Hardware Overview GS1910 XGS1910 Series User s Guide 24 ...

Страница 25: ...er or Firefox 10 0 and later versions The recommended screen resolution is 1024 by 768 pixels In order to use the web configurator you need to allow Web browser pop up windows from your device Web pop up blocking is enabled by default in Windows XP SP Service Pack 2 JavaScript enabled by default Java permissions enabled by default 4 2 System Login 1 Start your web browser 2 Type http and the IP ad...

Страница 26: ...ord is 1234 Figure 24 Web Configurator Login 4 Click OK to view the first web configurator screen 4 3 The Web Configurator Layout The Port State Overview screen is the first screen that displays when you access the web configurator The following figure shows the navigating components of a web configurator screen Figure 25 The Web Configurator Layout A BC ...

Страница 27: ...IGURATION MONITOR DIAGNOSTICS MAINTENANCE Table 4 Navigation Panel Links LINK DESCRIPTION Configuration System Information This link takes you to a screen where you can configure general identification information and time settings for the Switch IP This link takes you to a screen where you can configure the IPv4 address subnet mask necessary for Switch management and DNS domain name server settin...

Страница 28: ...you can configure the MSTI Multiple Spanning Tree Instance to VLAN mapping settings MSTI Priorities This link takes you to a screen where you can configure MSTI priority settings CIST Ports This link takes you to a screen where you can configure CIST Common and Internal Spanning Tree ports MSTI Ports This link takes you to a screen where you can configure MSTI ports MVR This link takes you to a sc...

Страница 29: ...e Switch sets the priority level and drop eligible indicator field in the VLAN tag for traffic on an egress port Port DSCP This link takes you to a screen where you can configure whether and how the Switch modifies the DSCP value for traffic on a port DSCP Based QoS This link takes you to a screen where you can configure the DSCP to QoS class and drop precedence level mapping for all incoming traf...

Страница 30: ...ation access control list DHCP snooping DHCP relay IP source guard and ARP inspection AAA This link takes you to a screen where you can view the status and statistics for authentication and accounting servers Switch This link takes you to a screen where you can view the settings or traffic statistics of RMON groups which contain detailed information about specific activities LACP System Status Thi...

Страница 31: ...sFlow sFlow Statistics This link takes you to a screen where you can view sFlow receiver state and sFlow packet statistics on each port Diagnostic Ping This link takes you to a screen where you can ping IPv4 addresses to test connections Ping6 This link takes you to a screen where you can ping IPv6 addresses to test connections VeriPHY This link takes you to a screen where you can perform a physic...

Страница 32: ...Disable all ports 3 Misconfigure the text configuration file 4 Forget the password and or IP address 5 Prevent all services from accessing the Switch 6 Change a service port number but forget it Note Be careful not to lock yourself and others out of the Switch 4 5 Logging Out of the Web Configurator Click Logout in a screen to exit the web configurator You have to log in with your password again a...

Страница 33: ...d Traffic How to Use DHCP Relay on the Switch How to Use Link Aggregation to Group Multiple Ports into One Logical Link How to Analyze Traffic Using Mirroring How to Use IGMP Snooping to Reduce Multicast Traffic Passing through your Switch How to Configure Access Control List ACL for Packets Filtering How to Reset the Switch via the Console Port 5 1 How to Change Switch Management IP Address The d...

Страница 34: ...ate the IP address and DNS server information after you click Save The IP address assigned by a DHCP server has priority over the IP address you manually configured 6 The VLAN ID field lets you enter the ID of the VLAN group to which you want this management IP address to belong This is the same as the VLAN ID you configure in the Configuration VLANs VLAN Membership screen In this example leave th...

Страница 35: ... into the Switch s Web Configurator with the admin account 2 Click Configuration Security Switch Users in the navigation panel Click Add New User to create a new login account 3 Specify the user name password and privilege level of the login account 4 Click Save to apply your changes USER NAME PASSWORD PRIVILEGE LEVEL user1 qwert12345 10 ...

Страница 36: ... 3 How to Manage a Configuration File Configuration files define the Switch s settings You can use the Configuration screens to back up configuration files from the Switch to your computer and restore them from your computer to the Switch 5 3 1 Backing up a Configuration File Backing up your Switch configurations allows you to create various snap shots of your device from which you may restore at ...

Страница 37: ...box and type a descriptive name for it in the File name list box 4 Click Save to save the configuration file to your computer 5 3 2 Restoring a Configuration File If you want to upload a previously saved configuration file from your computer to the Switch go to Maintenance Configuration Upload Select the xml file from its path and click Upload ...

Страница 38: ...specific VLAN and provides the information that switches need to process the frame across the network Each port on the Switch is capable of passing tagged or untagged frames To forward a frame from an 802 1Q VLAN aware switch to an 802 1Q VLAN unaware switch the Switch first decides where to forward the frame and then strips off the VLAN tag To forward a frame from an 802 1Q VLAN unaware switch to...

Страница 39: ...VLAN ID field and enter a descriptive name in the VLAN Name field for the VLAN2 network 4 Since the VLAN2 network is connected to port 1 on the Switch select port 1 s check box under Port Members to configure port 1 to be a permanent member of the VLAN 5 Click Save to save the settings to the Switch 5 4 1 Setting Port VID Use PVID to add a tag to incoming untagged frames received on that port so t...

Страница 40: ...to Specific and enter 2 in the Port VLAN ID field for port 1 3 To ensure that VLAN unaware devices such as computers and hubs can receive frames properly you can either select Untag_all in the TX Tag field to set the Switch to remove any VLAN tags before sending or leave the TX Tag field at Untag_pvid to have the Switch remove a frame s VLAN tag when the frame s VLAN ID is the same as the PVID of ...

Страница 41: ...VLAN clients can surf the Internet through a gateway attached to port 10 but are not allowed to access other network resources such as the mail server or local data base 5 5 1 Creating a VLAN for Port which is not IEEE 802 1x enabled Follow the steps below to configure port 10 as a member of VLAN 200 1 Access the web configurator through the Switch s port which is not in VLAN 200 2 Click Configura...

Страница 42: ...efines 8 To ensure that VLAN unaware devices such as computers and hubs can receive frames properly select Untag_all in the TX Tag field to set the Switch to remove VLAN tags before sending frames out of these ports 9 click Save to save your changes back to the Switch 5 5 2 Enabling IEEE 802 1x Port Authentication and Guest VLAN Follow the steps below to enable port authentication to validate acce...

Страница 43: ...AN and configure the IEEE 802 1x enabled ports as a member of the guest VLAN 4 Set Admin State to Port based 802 1x for ports 1 to 8 to turn on IEEE 802 1x authentication on these ports 5 Select the Guest VLAN Enabled check box on ports 1 2 and 3 The Switch puts unauthenticated clients in the specified guest VLAN 6 Click Save Clients that attach to port 1 2 or 3 and fail to authenticate with the R...

Страница 44: ...witch are in VLAN 1 and private VLAN 1 An isolated port is a port on which port isolation is enabled An isolated port cannot communicate with other isolated ports even when they are in the same VLAN and same private VLAN In this example you put ports 2 to 4 and 25 in private VLAN 25 and enable port isolation to block traffic between ports 2 3 and 4 5 6 1 Creating a Private VLAN Follow the steps be...

Страница 45: ...rce Guard and DHCP Snooping to Prevent Spoofed Traffic IP source guard uses a binding table to allow or block IP traffic in your network When the Switch receives an IP packet it looks up the appropriate MAC address VLAN ID IP address and port number in the binding table If there is a binding the Switch forwards the packet If there is not a binding the Switch discards the packet The Switch builds t...

Страница 46: ...e source MAC address and source IP address in the packet do not match any of the current bindings The packet is a RELEASE or DECLINE packet and the source MAC address and source port do not match any of the current bindings In the following example you only want DHCP server A connected to port 5 to assign IP addresses to all devices in VLAN 100 Create a VLAN containing ports 5 6 and 7 Connect a co...

Страница 47: ...ng Select Trusted in the Mode field for port 5 because the DHCP server is connected to port 5 Set ports 6 and 7 to Untrusted as they are connected to DHCP clients Click Save 5 Connect your DHCP server to port 5 and a computer as DHCP client to either port 6 or 7 The computer should be able to get an IP address from the DHCP server If you put the DHCP server on port 6 or 7 the computer will not abl...

Страница 48: ... 8 How to Use DHCP Relay on the Switch If the DHCP clients and the DHCP server are not in the same broadcast domain the Switch can help to relay network information such as the IP address and subnet mask between a DHCP client and a DHCP server This tutorial describes how to configure your Switch to forward DHCP client requests to a specific DHCP server The DHCP server can then assign a specific IP...

Страница 49: ...ration Security Network DHCP Relay 2 Select Enabled in the Relay Mode field to enable DHCP relay on the Switch 3 Enter the DHCP server s IP address 192 168 2 3 in this example in the Relay Server field 4 Select Enabled in the Relay Information Mode field to allow the Switch to add relay agent information such as the VLAN ID to DHCP requests 5 Select Replace in the Relay Information Policy field to...

Страница 50: ...k group is one logical link containing multiple ports The beginning port of each trunk group must be physically connected to form a trunk group The Switch supports both static and dynamic link aggregation The Switch supports the IEEE 802 3ad standard for static and dynamic LACP port trunking This standard describes the Link Aggregation Control Protocol LACP which is a protocol that dynamically cre...

Страница 51: ...ffic based on its IP address to make sure port trunking can work properly Click Save when you are done 5 9 2 Dynamic Port Trunking When you enable LACP link aggregation on a port the port can automatically negotiate with the ports at the remote end of a link to establish trunk groups LACP also allows port redundancy that is if an operational port fails then one of the standby ports become operatio...

Страница 52: ...ou can examine the traffic from the destination port without interference You can also use remote port mirroring to monitor multiple switches across your network In remote port mirroring the traffic from the source port s is forwarded to a specific remote port mirroring VLAN through a reflector port and copied to an intermediate port Traffic are then carried over the VLAN and sent to a destination...

Страница 53: ... Configuration Port Mirroring Select Enabled in the Mode field to activate mirroring on the Switch 3 Set Type to Mirror to do mirroring in one standalone switch 4 Configure port 2 to act as a destination port to which the Switch copy traffic from the source port s 5 Select the direction of traffic flow you want to copy Both in this example on port 7 6 Click Save You then should be able to receive ...

Страница 54: ...he Switch 3 Set Type to Source to configure a source port on Switch A 4 Enter the remote port mirroring VLAN ID number 100 in this example and select a reflector port Port 7 for example through which copied traffic is forwarded to the specified VLAN The Switch will automatically create the remote port mirroring VLAN and configure the reflector and intermediate ports as a member of the remote port ...

Страница 55: ...Chapter 5 Tutorials GS1910 XGS1910 Series User s Guide 55 7 Click Save ...

Страница 56: ...Chapter 5 Tutorials GS1910 XGS1910 Series User s Guide 56 8 Click Configuration Spanning Tree CIST Ports to disable R STP on the reflector port to prevent the port from entering blocking state ...

Страница 57: ...2 168 1 1 Log into the Switch by entering the username default admin and password default 1234 2 Go to Configuration Port Mirroring Select Enabled in the Mode field to activate mirroring on the Switch 3 Set Type to Intermediate to configure the intermediate ports that help forward traffic 4 Enter the remote port mirroring VLAN ID number 100 in this example The Switch will automatically create the ...

Страница 58: ...Go to Configuration MAC Table to disable MAC address learning on the intermediate ports so that the Switch will NOT filter or forward a frame based on the frame s destination MAC address or even drop the frame whose MAC address is not in the MAC address table on these ports ...

Страница 59: ...ion to configure the intermediate ports that help forward traffic 4 Enter the remote port mirroring VLAN ID number 100 in this example The Switch will automatically create the remote port mirroring VLAN and configure the intermediate and destination ports as a member of this VLAN 5 Configure a port 2 for example to act as the intermediate port that connects to Switch B 6 Configure a port 10 for ex...

Страница 60: ...st hosts to learn the IP multicast group membership It checks IGMP packets passing through it picks out the group registration information and configures multicasting accordingly IGMP snooping allows the Switch to learn multicast groups without you having to manually configure them The Switch forwards multicast traffic destined for multicast groups that it has learned from IGMP snooping or that yo...

Страница 61: ...Set Leave Proxy Enabled and Proxy Enabled to allow the Switch to send a leave message with its MAC address to the multicast router switch only when it receives the leave message from the last host in a multicast group The Switch also replaces the source MAC address in an IGMP v1 v2 report with its own MAC address before forwarding to the multicast router switch When the Switch receives more than o...

Страница 62: ...tion IPMAC IGMP Snooping VLAN Configuration 12 Select Snooping Enabled for VLAN 1234 to allow the Switch to learn the IP multicast group membership of this VLAN 13 Select IGMP Querier for VLAN 1234 to allow the Switch to act as the querier in the VLAN to send IGMP General Query GQ and Group Specific Query GSQ messages to this VLAN A querier sends out an IGMP Group Specific Query GSQ message to det...

Страница 63: ... as the source address destination address source port number destination port number or incoming port number and also define actions to be performed for a classified traffic flow The Switch checks traffic against the ACL rules in the order you list them In this example you configure an ACL rule to identify all traffic coming from host A connected to port 9 and restrict the host s access to a spec...

Страница 64: ...d All ports in this example 4 Set Policy Filter to Specific and Policy Bitmask to 0xff to give this policy one ID number in the Policy Value field You then can apply this policy to a port using this policy ID 5 Select IPv4 in the Frame Type field 6 Select Network in the DIP Filter field and specify the destination address and subnet mask of matched traffic in this policy 7 Set Action to Deny to bl...

Страница 65: ...t they are listed This tutorial uses the XGS1910 24 screens as an example The screens may vary slightly for different models 9 Go to Configuration Security Network ACL Ports Enter the ID of the ACL policy you just created in the Policy ID field of the port to which you want to apply this policy that is port 9 to which host A is connected in this example ...

Страница 66: ...means that you will lose all previous configurations and the speed of the console port will be reset to the default of 9600bps with 8 data bit no parity one stop bit and flow control set to none The password will also be reset to 1234 and the IP address to 192 168 1 1 To upload the configuration file do the following 1 Connect to the console port using a computer with terminal emulation software S...

Страница 67: ... JEDEC ID 0xC22018 Jaguar 1 board detected VSC7460 Rev B RedBoot tm bootstrap and debug environment ROMRAM Non certified release version 1_12_2 customized z XGS built 19 04 36 Feb 8 2012 Copyright C 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Free Software Foundation Inc RedBoot is free software covered by the eCos license derived from the GNU General Public License You are welcome to change...

Страница 68: ...Chapter 5 Tutorials GS1910 XGS1910 Series User s Guide 68 ...

Страница 69: ...Switch 3 Make sure the power adaptor or cord is connected to the Switch and plugged in to an appropriate power source Make sure the power source is turned on 4 Turn the Switch off and on in DC models or if the DC power supply is connected in AC DC models 5 Disconnect and re connect the power adaptor or cord to the Switch in AC models or if the AC power supply is connected in AC DC models 6 If the ...

Страница 70: ...in AC DC models 6 If the problem continues contact the vendor 6 2 Switch Access and Login I forgot the IP address for the Switch 1 The default management IP address is 192 168 1 1 2 Use the console port to log in to the Switch 3 If this does not work you have to reset the device to its factory defaults See Section 5 13 on page 66 I forgot the username and or password 1 The default username is admi...

Страница 71: ...ssword correctly The default user name is admin and the default password is 1234 These fields are case sensitive so make sure Caps Lock is not on 2 If you have configured a secured client IP address in Configuration Security Switch Access Management your computer s IP address must match it 3 Disconnect and re connect the cord to the Switch 4 If this does not work you have to reset the device to it...

Страница 72: ...Chapter 6 Troubleshooting GS1910 XGS1910 Series User s Guide 72 ...

Страница 73: ... has been tested and found to comply with the limits for a Class A digital switch pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a commercial environment This device generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interfere...

Страница 74: ... Safety Warnings Do NOT use this product near water for example in a wet basement or near a swimming pool Do NOT expose your device to dampness dust or corrosive liquids Do NOT store things on the device Do NOT install use or service this device during a thunderstorm There is a remote risk of electric shock from lightning Connect ONLY suitable accessories to the device Do NOT open the device or un...

Страница 75: ...yright 73 D DHCP snooping 45 trusted ports 46 untrusted ports 46 disclaimer 73 documentation related 2 E Ethernet ports 17 default settings 17 F FCC interference statement 73 front panel 15 G getting help 32 H hardware installation 11 mounting 12 hardware overview 15 I Installation Rack mounting 12 installation freestanding 11 precautions 12 Internet Protocol version 6 see IPv6 introduction 5 IP s...

Страница 76: ...eement 18 O other documentation 2 P password 32 power wires 21 product registration 74 PVID 38 PVID Priority Frame 38 R registration product 74 related documentation 2 rubber feet 11 S SNMP 8 status LED 22 switch lockout 32 T tagged VLAN 38 trademarks 73 transceiver installation 18 removal 19 trusted ports DHCP snooping 46 tutorials 33 DHCP snooping 45 U untrusted ports DHCP snooping 46 V ventilat...

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