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Summary of Contents for VOLKTEK NSH-2926
- Page 1 NSH-2926/NSH-2916 16-port/ 24-port Managed Gigabit Web Smart Switch www .volktek .com...
- Page 2 NSH-2926/NSH-2916 user manual v1.0 COPYRIGHT All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, whether electronic, mechanical, photo copying, recording or otherwise, without the prior written permission of the pub- lisher.
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Page 3: Table Of Contents
Installing the SFP modules and Fiber Cable (For NSH-2926 only) . . . . . . . . . . . . . . . . -
Page 4: About This Guide
In this guide, the term “Switch” (first letter upper case) refers to the NSH-2926(NSH-2916) Switch, and “switch” (first letter lower case) refers to other switches. Features • NSH-2926 for 24-port 10/100/1000 T plus two fiber ports / NSH-2916 for 16-port 10/100/1000 T • RSTP • ARP Inspection •... -
Page 5: Specifications
NSH-2926/NSH-2916 user manual v1.0 • Broadcast Storm Control • Bandwidth Control • Rate limitation • 802.3 flow control • Link aggregation (802.3ad) • Port-based mirroring • Web GUI management • SNMP (v1/v2) • EEE support Specifications Performance: Throughput: 14,881 packets per second (pps) to 10 Mbps ports... - Page 6 NSH-2926/NSH-2916 user manual v1.0 Network Management: System Configuration: Telnet, Web browser, and SNMP/RMON Management Agent: SNMP Support: MIB II, Bridge MIB, Ethernet MIB, and RMON MIB RMON Groups: 1, 2, 3, and 9 (Statistics, History, Alarm and Event) Spanning Tree Algorithm: IEEE 802.1D and 802.1w provide redundant link support...
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Page 7: Hardware Description
NSH-2926/NSH-2916 user manual v1.0 Hardware Description The NSH-2926(NSH-2916) is a high-performance managed SNMP Layer 2+ switch that provides users with 24 x 10/100/1000Mbps Ethernet and two Gigabit Combo ports. The Web/SNMP management provides remote control capability that gives user-friendly and flexible network management and monitoring options. -
Page 8: Product Illustration
NSH-2926/NSH-2916 user manual v1.0 Product Illustration NSH-2926 Front View: Back View NSH-2916 Front View Back View... -
Page 9: Connectors
NSH-2926/NSH-2916 user manual v1.0 Connectors The Switch NSH-2926 utilizes ports with copper and SFP fiber port connectors functioning under Ethernet/Fast Ethernet/Gigabit Ethernet standards. The Switch NSH-2916 utilizes ports with copper port connectors functioning under Ethernet/Fast Ethernet/Gigabit Ethernet standards. 10/100/1000Base-T Ports The 10/100/1000BASE-T ports support network speeds of either 10Mbps, 100Mbps, or 1000Mbps and can operate in half- and full-duplex transfer modes. -
Page 10: Installation
NSH-2926/NSH-2916 user manual v1.0 Installation The location chosen for installing the Switch may greatly affect its performance. When selecting a site, we recommend considering the following rules: • Install the Switch in an appropriate place. See Technical Specifications for the acceptable temperature and humidity ranges. -
Page 11: Installing The Sfp Modules And Fiber Cable (For Nsh-2926 Only)
3. Check the front-panel LEDs as the device is powered on to verify that the Power LED is lit. If not, check that the power cable is correctly and securely plugged in. Installing the SFP modules and Fiber Cable (For NSH-2926 only) 1. - Page 12 NSH-2926/NSH-2916 user manual v1.0 3. Align the fiber cable’s connector with the SFP module’s mouth and insert the connector: 4. Slide the connector in until a click is heard: 5. If you want to pull the connector out, first push down the release clip on top of the connector to release the connector from the SFP module.
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Page 13: Connecting A Copper Cable
NSH-2926/NSH-2916 user manual v1.0 Connecting a Copper Cable The 10/100/1000BASE-T RJ-45 Ethernet port fully supports auto-sensing and auto-negotiation. Insert one end of a Category 3/4/5/5e (see recommendation above) type twisted-pair cable into an available RJ-45 port on the Switch and the other end into the port of the network node. -
Page 14: Led Indicators
Switch is booting Light Off Self test fails or no power Green On Primary power is normal Light Off Primary power off or failure SFP LEDs ( for NSH-2926 only) Condition Status Green On The port is linked. Link/Act Flashing... -
Page 15: Management Options
In order to aid discovery of the device on a network by a management PC, VOLKTEK includes a utility to scan the network. The program, called auto_discovery.exe, is available on the CD which accompanies the Switch. -
Page 16: Web Management
NSH-2926/NSH-2916 user manual v1.0 Web Management The Web Configurator is a browser-based user-friendly interface to allow the network administrator to alter the configuration of the switch. The Smart functions are presented on login, with advanced options available through the Advanced tab. - Page 17 NSH-2926/NSH-2916 user manual v1.0 IP Setting This function allows the setting of the IP address and subnet mask used by the switch. Enter the desired IP address and subnet mask in the input boxes, then click Apply to confirm. EEE (Energy Efficient Ethernet Port) The switch is equipped with Energy Efficient Ethernet to reduce energy consumption on Ethernet ports.
- Page 18 NSH-2926/NSH-2916 user manual v1.0 Web Authentication Web authentication allows the admin to set a username and password for logins on a particular port. This is usually employed one guest terminals or networks, for example in a company meeting room, where guests can be allowed to connect to the internet, but not to the local network (which is thereby kept secure).
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Page 19: Advanced
NSH-2926/NSH-2916 user manual v1.0 STP (Spanning Tree Protocol) Spanning Tree Protocol is a network protocol which prevents network loops (which in turn can cause broadcast storm conditions, seriously downgrading network performance). Click the on/off button to enable Spanning Tree Protocol. - Page 20 NSH-2926/NSH-2916 user manual v1.0 General Settings The System tab allows access to the General Settings window, which contains the following information: Hostname: Name of the Switch (user editable, no spaces allowed) • DHCP Client: Options to enable or disable the DHCP client function of the Switch •...
- Page 21 NSH-2926/NSH-2916 user manual v1.0 MAC Management MAC Management can be used to restrict access to certain ports to a specific device by using that device’s MAC address. There are two options within the MAC Management setting: Static MAC Settings and MAC Table.
- Page 22 NSH-2926/NSH-2916 user manual v1.0 Port Mirroring Port Mirroring will set up a mirror port to send duplicates of each network packet received and/or sent by the original port being mirrored. To enable, select the source port, the mirror state: ingress, i.e. mirror packets coming into the port, egress, i.e.
- Page 23 NSH-2926/NSH-2916 user manual v1.0 Port Settings The port settings menu allows the network administrator to control the settings on individual ports, by selecting from drop-down option lists. Select the port number, whether to enable or disable settings for that port, the port speed, and flow control.
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Page 24: Bandwidth Management
NSH-2926/NSH-2916 user manual v1.0 Bandwidth Management QoS (Quality of Service) consists of four tabbed options. Port priority allows the administrator to prioritize certain ports. The higher the number selected, the higher the port priority The Diffserv (DSCP) tab allows the prioritization of traffic based on Tag over DSCP (i.e. tagged VLANS have priority over DSCP Diffserv rankings) or DSCP over Tag (i.e. - Page 25 NSH-2926/NSH-2916 user manual v1.0 The Queueing Method tab determines whether QoS uses the Weighted Fair Queue method or the Weighted Round Robin method, along with the weights assigned to each Queue ID.
- Page 26 NSH-2926/NSH-2916 user manual v1.0 CoS Queue Mapping allows the administrator map a certain priority to a certain Queue ID. Select the Queue ID from the drop-down list and click apply to save the settings. Storm Control Storm control is designed to prevent broadcast storm conditions impairing traffic or crashing the switch.
- Page 27 NSH-2926/NSH-2916 user manual v1.0 VLAN A VLAN is a Virtual Local Area Network – a local network which is created using software rather than hardware – meaning that the devices linked by the network need not be physically close to each other.
- Page 28 NSH-2926/NSH-2916 user manual v1.0 The tag setting option allows the network administrator to select which ports will apply tagging to VLAN packets. Select the relevant ports to be tagged, then click apply to save. The port setting option allows the network administrator to configure the Port VLAN ID (PVID) for each of the switch ports by selecting the port number, PVID and the type of frames to be accepted by each port.
- Page 29 NSH-2926/NSH-2916 user manual v1.0 Link Aggregation Link aggregation allows the network administrator to group ports together to form a virtual “fat pipe”, allowing higher data speeds. To enable Static Trunk LACP , select the group, group action, and the member ports. Finally, select the load-balancing method, and click apply to save.
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Page 30: Security
NSH-2926/NSH-2916 user manual v1.0 Security DHCP Snooping DHCP Snooping checks on incoming traffic and can be set up to allow only certain numbers of users to connect to the switch. Set the state (enable/disable) and VLAN state (per VLAN enable/disable), then select which ports are to be used as server ports by clicking the radio buttons next to each relevant port number. - Page 31 NSH-2926/NSH-2916 user manual v1.0 ARP Inspection ARP inspection allows the switch to intercept and inspect ARP packets and reroute those packets to specific VLANs as specified in the options. The ARP filter allows the administrator to inspect the current ARP filter rules in place, and to delete...
- Page 32 NSH-2926/NSH-2916 user manual v1.0 Binding Table The binding table displays the values used by the ARP inspection protocol. MAC and IP addresses must match the port for the traffic to be allowed. This helps to prevent unauthorised users from connecting to the network.
- Page 33 NSH-2926/NSH-2916 user manual v1.0 Web Authentication Web authentication allows the admin to set a username and password for logins on a particular port. This is usually employed one guest terminals or networks, for example in a company meeting room, where guests can be allowed to connect to the internet. The administrator can choose to either enable RADIUS (in which case the authentication method will be controlled by a RADIUS server) or use the simple on-switch authentication service.
- Page 34 NSH-2926/NSH-2916 user manual v1.0 Once the desired changes have been made, click preview to see a small preview on the right hand side, or apply to save the settings.
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Page 35: Management
NSH-2926/NSH-2916 user manual v1.0 Management The management section deals specifically with switch management. Maintenance The configuration tab is used to save and restore settings to the device. The user can back up the switch settings to a PC to use as a later restore point using the backup button. To restore from a backup, click the browse button to locate the relevant backup file on a PC, then click apply to restore. - Page 36 NSH-2926/NSH-2916 user manual v1.0 To upgrade the firmware, select the file path for the firmware file by using the browse button and locating the file on the computer’s hard drive. Click upgrade to install the new firmware. To reboot the switch, click the reboot tab and then click the reboot button. The switch will shut down and restart.
- Page 37 NSH-2926/NSH-2916 user manual v1.0 SNMP Simple Network Management Protocol is a method of controlling the switch remotely through an external aggregation switch. This is usually used on larger networks, giving the administrator the power to control all switches in a network through one, higher security switch.
- Page 38 NSH-2926/NSH-2916 user manual v1.0 The trap receiver tab is used to set an IP , version number and community string for trap reception. Enter the relevant details and click apply to save. User Account The User Account section is used to create new users and delete existing users. The network administrator must set the user name, user password, and user authority level (guest/user/admin).
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