User Guide
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... Notes tell you other important information (for example, other words". Syntax Conventions • The GS-1524 / GS-1548 may be referred to as the "Switch", the "device", or the "system" in...on your device. "Select" or "choose" means for you to use one or more characters and then press the [ENTER] key. GS-1524/GS-1548 User's Guide 5 Warnings tell you about things that screen. • Units of the predefined choices. • A right angle bracket...or your keyboard. • "Enter" means for you to type one of measurement may denote the "metric" value or the "scientific" value.
... Notes tell you other important information (for example, other words". Syntax Conventions • The GS-1524 / GS-1548 may be referred to as the "Switch", the "device", or the "system" in...on your device. "Select" or "choose" means for you to use one or more characters and then press the [ENTER] key. GS-1524/GS-1548 User's Guide 5 Warnings tell you about things that screen. • Units of the predefined choices. • A right angle bracket...or your keyboard. • "Enter" means for you to type one of measurement may denote the "metric" value or the "scientific" value.
User Guide
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...the LEDs to verify that it clicks into the slot with different types of PCB board facing down. Figure 10 Transceiver Installation Example 2 Press the transceiver firmly until it is operating. GS-1524/GS-1548 User's Guide 29 Chapter 3 Hardware Overview You can use ...different transceivers to connect to Ethernet switches with the exposed section of fiber-optic connectors. • Type: SFP connection interface • Connection speed: 1 Gigabit...
...the LEDs to verify that it clicks into the slot with different types of PCB board facing down. Figure 10 Transceiver Installation Example 2 Press the transceiver firmly until it is operating. GS-1524/GS-1548 User's Guide 29 Chapter 3 Hardware Overview You can use ...different transceivers to connect to Ethernet switches with the exposed section of fiber-optic connectors. • Type: SFP connection interface • Connection speed: 1 Gigabit...
User Guide
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... Navigator 7.0 and later versions. Note: This User's Guide shows screens from your web browser. 2 Type "http://" and the IP address of the Switch (for example, the default is 1024 by default in the Location or Address field. GS-1524/GS-1548 User's Guide 35 The recommended screen resolution is 192.168.1.1) in Windows XP... section introduces the configuration and functions of the web configurator. 4.1 Introduction The web configurator is enabled by 768 pixels. Web pop-up windows from the GS-1524, unless otherwise specified. 4.2 System Login 1 Start your device.
... Navigator 7.0 and later versions. Note: This User's Guide shows screens from your web browser. 2 Type "http://" and the IP address of the Switch (for example, the default is 1024 by default in the Location or Address field. GS-1524/GS-1548 User's Guide 35 The recommended screen resolution is 192.168.1.1) in Windows XP... section introduces the configuration and functions of the web configurator. 4.1 Introduction The web configurator is enabled by 768 pixels. Web pop-up windows from the GS-1524, unless otherwise specified. 4.2 System Login 1 Start your device.
User Guide
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... date. Click Save to save your device from which you to your computer from the Save in drop-down list box and type a descriptive name for more background information. GS-1524/GS-1548 User's Guide 45 See Chapter 13 on your computer. Click Apply to save the configuration file to create various "snap shots...
... date. Click Save to save your device from which you to your computer from the Save in drop-down list box and type a descriptive name for more background information. GS-1524/GS-1548 User's Guide 45 See Chapter 13 on your computer. Click Apply to save the configuration file to create various "snap shots...
User Guide
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... screen from your configuration. Chapter 5 System 5.1.4 Restore Settings Restore a previously saved configuration from which you can click Retry to locate the proper configuration file. 46 GS-1524/GS-1548 User's Guide Figure 24 Restore Settings Type the path and file name of the configuration file you have specified the file, click Restore.
... screen from your configuration. Chapter 5 System 5.1.4 Restore Settings Restore a previously saved configuration from which you can click Retry to locate the proper configuration file. 46 GS-1524/GS-1548 User's Guide Figure 24 Restore Settings Type the path and file name of the configuration file you have specified the file, click Restore.
User Guide
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... uploading the wrong model firmware may damage your new system password. Enter up to upload the correct model firmware as shown. GS-1524/GS-1548 User's Guide 47 Table 7 Change Password LABEL DESCRIPTION Old Password Type the existing system password (1234 is the default password when shipped). Be sure to 15 alpha-numeric characters;
... uploading the wrong model firmware may damage your new system password. Enter up to upload the correct model firmware as shown. GS-1524/GS-1548 User's Guide 47 Table 7 Change Password LABEL DESCRIPTION Old Password Type the existing system password (1234 is the default password when shipped). Be sure to 15 alpha-numeric characters;
User Guide
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.../Reset Click System > Restart/Reset to perform a system restart (keep current configuration) or a system reset (restore the Switch's default configuration settings). Figure 27 Firmware Upgrade Type the path and file name of the firmware file you have specified the file, click Upgrade. Chapter 5 System From the System screen, click Upgrade in...
.../Reset Click System > Restart/Reset to perform a system restart (keep current configuration) or a system reset (restore the Switch's default configuration settings). Figure 27 Firmware Upgrade Type the path and file name of the firmware file you have specified the file, click Upgrade. Chapter 5 System From the System screen, click Upgrade in...
User Guide
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...of packets transmitted/ received. Errors This field shows the number of packets currently buffered. TX The following fields display a summary of types of errors and size of transmitted/received packets that were too short (shorter than the maximum packet size. Octets This field shows ... packets received. Drop Events This is a count of transmitted/received packets that were too short (shorter than the minimum packet size. GS-1524/GS-1548 User's Guide 55 Octets This field shows the number of octets received. CRCAlignErr This is a count of transmitted collision packets....
...of packets transmitted/ received. Errors This field shows the number of packets currently buffered. TX The following fields display a summary of types of errors and size of transmitted/received packets that were too short (shorter than the maximum packet size. Octets This field shows ... packets received. Drop Events This is a count of transmitted/received packets that were too short (shorter than the minimum packet size. GS-1524/GS-1548 User's Guide 55 Octets This field shows the number of octets received. CRCAlignErr This is a count of transmitted collision packets....
User Guide
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... information that user priority and VLAN ID are independent of 0 is reserved, so the maximum possible VLAN configurations are not confined to an 802.1Q GS-1524/GS-1548 User's Guide 57 TPID User Priority 2 Bytes 3 Bits CFI VLAN ID 1 Bit 12 bits 8.1.1 Forwarding Tagged and Untagged Frames Each port on... switch on the Switch is four bytes longer than an untagged frame and contains two bytes of TPID (Tag Protocol Identifier, residing within the type/length field of the Ethernet frame) and two bytes of TCI (Tag Control Information, starts after the source address field of the ingress port...
... information that user priority and VLAN ID are independent of 0 is reserved, so the maximum possible VLAN configurations are not confined to an 802.1Q GS-1524/GS-1548 User's Guide 57 TPID User Priority 2 Bytes 3 Bits CFI VLAN ID 1 Bit 12 bits 8.1.1 Forwarding Tagged and Untagged Frames Each port on... switch on the Switch is four bytes longer than an untagged frame and contains two bytes of TPID (Tag Protocol Identifier, residing within the type/length field of the Ethernet frame) and two bytes of TCI (Tag Control Information, starts after the source address field of the ingress port...
User Guide
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...IEEE 802.1p priority tags or change the existing priority tags based on the criteria you can configure the Switch to incoming packets on their Type of the following methods for the Switch. The Switch allows you to packets based on the Switch: Port Based QoS - ToS Based ...Section 11.4.6 on page 71. You can choose one of Service (ToS) tagging. Only when that queue empties, traffic on the Switch. 68 GS-1524/GS-1548 User's Guide Note: Advanced QoS methods only affect the internal priority queue mapping for assigning priority to prioritize traffic even if the incoming packets...
...IEEE 802.1p priority tags or change the existing priority tags based on the criteria you can configure the Switch to incoming packets on their Type of the following methods for the Switch. The Switch allows you to packets based on the Switch: Port Based QoS - ToS Based ...Section 11.4.6 on page 71. You can choose one of Service (ToS) tagging. Only when that queue empties, traffic on the Switch. 68 GS-1524/GS-1548 User's Guide Note: Advanced QoS methods only affect the internal priority queue mapping for assigning priority to prioritize traffic even if the incoming packets...
User Guide
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... the port number of Service (ToS) field in the Port field. Packets are not applied until you want to assign to replace the Type of the incoming packets and the Priority column indicates what IEEE 802.1p priority gets assigned to negotiate paths or remember state information for which...memory. 11.4.2 DSCP Based QoS The Switch allows you want to assign IEEE 802.1p priority to view your port to 64 service levels. 72 GS-1524/GS-1548 User's Guide This is a class of service (CoS) model that marks packets so that they receive specific per-hop treatment at DiffServ-compliant ...
... the port number of Service (ToS) field in the Port field. Packets are not applied until you want to assign to replace the Type of the incoming packets and the Priority column indicates what IEEE 802.1p priority gets assigned to negotiate paths or remember state information for which...memory. 11.4.2 DSCP Based QoS The Switch allows you want to assign IEEE 802.1p priority to view your port to 64 service levels. 72 GS-1524/GS-1548 User's Guide This is a class of service (CoS) model that marks packets so that they receive specific per-hop treatment at DiffServ-compliant ...
User Guide
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... changes are not applied until you specified in the QoS Enhancement Setting screen to IEEE 802.1p priority mappings. Figure 42 ToS Based QoS 74 GS-1524/GS-1548 User's Guide This is a summary table of your changed settings. Chapter 11 QoS The following table describes the labels in this when you have... reviewed the changes you want to make and you want to the packets with Type of Service (ToS) priority assigned to them. Change Priority Configure the following: • DSCP -
... changes are not applied until you specified in the QoS Enhancement Setting screen to IEEE 802.1p priority mappings. Figure 42 ToS Based QoS 74 GS-1524/GS-1548 User's Guide This is a summary table of your changed settings. Chapter 11 QoS The following table describes the labels in this when you have... reviewed the changes you want to make and you want to the packets with Type of Service (ToS) priority assigned to them. Change Priority Configure the following: • DSCP -
User Guide
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...for the amount of broadcast, multicast and DLF (Destination Lookup Failure) packets received per second. to specify a limit for the amount of the type specified in this feature. GS-1524/GS-1548 User's Guide 81 Broadcast and unknown unicast - Select the number of packets (of broadcast packets received per second. Broadcast and multicast - ...Apply Broadcast, multicast and unknown unicast - Chapter 12 Port Rate Limit and Storm Control The following table describes the labels in the Storm Control Type field) per second the Switch can receive per second. Storm Control Select...
...for the amount of broadcast, multicast and DLF (Destination Lookup Failure) packets received per second. to specify a limit for the amount of the type specified in this feature. GS-1524/GS-1548 User's Guide 81 Broadcast and unknown unicast - Select the number of packets (of broadcast packets received per second. Broadcast and multicast - ...Apply Broadcast, multicast and unknown unicast - Chapter 12 Port Rate Limit and Storm Control The following table describes the labels in the Storm Control Type field) per second the Switch can receive per second. Storm Control Select...
User Guide
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... field displays the MAC address. VID This field displays the VID of the MAC address entry. Type This field displays whether this to browse all the fields in the L2 Address table. dynamic. Next Page GS-1524/GS-1548 User's Guide 85 static or whether it displays HOST if its the entry for the...
... field displays the MAC address. VID This field displays the VID of the MAC address entry. Type This field displays whether this to browse all the fields in the L2 Address table. dynamic. Next Page GS-1524/GS-1548 User's Guide 85 static or whether it displays HOST if its the entry for the...
User Guide
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there is working properly. This field displays the whether the twisted pair has a good connection Ok, or it displays the type of total twisted pair length or the distance to the port or the cable is damaged. the cable is a short along the cable. Open - Short - ... of the test: Ok - Pair A .. there is no cable connected to the detected fault depending whether the cable tested Ok or a fault was found. 88 GS-1524/GS-1548 User's Guide
there is working properly. This field displays the whether the twisted pair has a good connection Ok, or it displays the type of total twisted pair length or the distance to the port or the cable is damaged. the cable is a short along the cable. Open - Short - ... of the test: Ok - Pair A .. there is no cable connected to the detected fault depending whether the cable tested Ok or a fault was found. 88 GS-1524/GS-1548 User's Guide
User Guide
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...the TCP/IP specification and try to disable a device or network so users no longer have access to network resources. Xmascan - NULL Scan - GS-1524/GS-1548 User's Guide 89 The Switch has features which automatically detect and thwart currently known DoS attacks. 15.1.1 DoS Attacks Summary The following scans exploit... the FIN, URG and PSH bits are used to initiate, acknowledge and conclude TCP/IP communication sessions. The following table summarizes the types of Service (DoS) attacks try to illicit a response from a host to identify ports for an attack: Scan SYNFIN -
...the TCP/IP specification and try to disable a device or network so users no longer have access to network resources. Xmascan - NULL Scan - GS-1524/GS-1548 User's Guide 89 The Switch has features which automatically detect and thwart currently known DoS attacks. 15.1.1 DoS Attacks Summary The following scans exploit... the FIN, URG and PSH bits are used to initiate, acknowledge and conclude TCP/IP communication sessions. The following table summarizes the types of Service (DoS) attacks try to illicit a response from a host to identify ports for an attack: Scan SYNFIN -
User Guide
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...in this link to configure advance Auto DoS settings. Denial of Service Prevention Select the types of attacks you want to prevent or choose Select All to cause network congestion or...This attack uses Internet Control Message Protocol (ICMP) echo requests packets (pings) to prevent all types of attacks and scans supported by the Switch. Figure 51 Global Auto DoS Attack Prevention The... screen. Apply Click Apply to configure DoS attack prevention settings for more information on specific types of attacks. Ping Flooding This attack floods the target network with SYN or SYN/ACK ...
...in this link to configure advance Auto DoS settings. Denial of Service Prevention Select the types of attacks you want to prevent or choose Select All to cause network congestion or...This attack uses Internet Control Message Protocol (ICMP) echo requests packets (pings) to prevent all types of attacks and scans supported by the Switch. Figure 51 Global Auto DoS Attack Prevention The... screen. Apply Click Apply to configure DoS attack prevention settings for more information on specific types of attacks. Ping Flooding This attack floods the target network with SYN or SYN/ACK ...
User Guide
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... for individual ports. Click Apply to view the following screen. Select: Apply • 64 kbps - See Section 15.1.1 on specific types of attacks and scans supported by the Switch. Parameter For Ping and SYN/SYN-ACK Flooding attacks you can specify thresholds for more information...Advanced Auto DoS Attack Prevention screen to configure all types of attacks. Figure 52 Advanced Auto DoS Attack Prevention The following table describes the labels in the Global Auto DoS Attack Prevention screen to save your changes. GS-1524/GS-1548 User's Guide 91 Chapter 15 Auto Denial of...
... for individual ports. Click Apply to view the following screen. Select: Apply • 64 kbps - See Section 15.1.1 on specific types of attacks and scans supported by the Switch. Parameter For Ping and SYN/SYN-ACK Flooding attacks you can specify thresholds for more information...Advanced Auto DoS Attack Prevention screen to configure all types of attacks. Figure 52 Advanced Auto DoS Attack Prevention The following table describes the labels in the Global Auto DoS Attack Prevention screen to save your changes. GS-1524/GS-1548 User's Guide 91 Chapter 15 Auto Denial of...
User Guide
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... field is not recommended to track as shown. Use the columns on the Switch. to view the logs stored on the right to select the types of the Switch's function. The Switch will cause the Switch to malfunction and events such as configuration changes or logins. • Debug - Chapter 17 Event... should be recorded and where the log messages should record. to record system failures, such as events which will continue to save your changes. 98 GS-1524/GS-1548 User's Guide Click Apply to function when warnings are recorded. • Info -
... field is not recommended to track as shown. Use the columns on the Switch. to view the logs stored on the right to select the types of the Switch's function. The Switch will cause the Switch to malfunction and events such as configuration changes or logins. • Debug - Chapter 17 Event... should be recorded and where the log messages should record. to record system failures, such as events which will continue to save your changes. 98 GS-1524/GS-1548 User's Guide Click Apply to function when warnings are recorded. • Info -
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... no authentication is required for SNMP v3. Previous Page/ Next Page Use these navigation links to manage the Switch. Auth Type This field indicates whether authentication is required for identification only. GS-1524/GS-1548 User's Guide 111 Click SNMP > User to edit. User Name This field displays the name of the SNMP group...
... no authentication is required for SNMP v3. Previous Page/ Next Page Use these navigation links to manage the Switch. Auth Type This field indicates whether authentication is required for identification only. GS-1524/GS-1548 User's Guide 111 Click SNMP > User to edit. User Name This field displays the name of the SNMP group...