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Publication date: Aug., 2014

Revision A1

39

It identifies the VLAN membership by layer 3 protocol types, for example
IPX, Appletalk, IP, etc.

Other VLAN technologies not mentioned above are MAC-based VLAN, IP-

based VLAN and so on.

Terminology

Tagged Frame:

A frame, carrying a tag field following the source MAC address, is four bytes

long and contains VLAN protocol ID and tag control information composed of user
priority, Canonical Format Indicator (CFI) and optional VLAN identifier (VID).
Normally, the maximal length of a tagged frame is 1522 bytes.

802.1Q VLAN-tagged Ethernet frame

6 6 2 2 2

DA SA

VLAN Protocol

ID

Tag Control

Information

Length

/Type

VLAN Protocol ID =

0x8100

User Priority

CFI

VLAN identifier

Fig.3-10 Tag Format

VLAN Protocol ID: 8100 is reserved for VLAN-tagged frame.

User Priority: 3 bits long. User priority is defined to 7 – 0. 0 is the lowest
priority.

CFI: Canonical Format Indicator. 1 bit long. It is used to encapsulate a
token ring packet to let it travel across the Ethernet. Usually, it is
set to 0.

VLAN ID: 12 bits long. 0 means no VLAN ID is present. 1 means default VLAN,
4095 reserved.

VLAN-tagged frame:

An Ethernet frame, carrying VLAN tag field, contains VLAN identification

without the value of 0 and 4095, and priority information.

Priority-tagged frame:

An Ethernet frame, carrying VLAN tag field, contains VLANidentificationwith

the value of 0 and priority information.

Untagged frame:

An Ethernet frame carries no VLAN tag information.

VLAN Identifier:

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Содержание AW-GET-094A-130

Страница 1: ...Aug 2014 Revision A1 i AW GET 094A 130 PoE Switch User Manual Copyright VIVOTEK Inc 2014 All rights reserved All brand and product names are trademarks or registered trademarks of their respective own...

Страница 2: ...ying or using the accompanying software or installing the hardware unit with pre enabled software or firmware each of which is referred to as Software in this Agreement BY COPYING OR USING THE SOFTWAR...

Страница 3: ...N The License is effective until terminated however all of the restrictions in regard to Manufacture s copyright in the Software and related documentation will cease being effective at the date of exp...

Страница 4: ...2 TYPICAL APPLICATIONS 20 3 BASIC CONCEPT AND MANAGEMENT 21 3 1 WHAT S THE ETHERNET 22 3 2 LOGICAL LINK CONTROL LLC 23 3 3 MEDIAACCESS CONTROL MAC 25 3 4 FLOW CONTROL 30 3 5 HOW DOES A SWITCH WORK 33...

Страница 5: ...TP Status 88 4 3 4 IGMP Status 90 4 3 5 Ping Status 92 4 4 MAINTENANCE 94 4 4 1 Warm Restart 95 4 4 2 Factory Default 96 4 4 3 Software Upgrade 97 4 4 4 Configuration File Transfer 98 4 4 5 Logout 99...

Страница 6: ...Publication date Aug 2014 Revision A1 vi Revision History Release Date Revision 1 22 Aug 21 2014 A1...

Страница 7: ...r between outdoor device and this switch The switch supports the SFP Vendor includes Manufacture Agilent Avago and Finisa Electronic Emission Notices Federal Communications Commission FCC Statement Th...

Страница 8: ...ion on Product is strictly prohibited Damage caused by self demolition will be charged for repairing fees Do not place product at outdoor or sandstorm Before installation please make sure input power...

Страница 9: ...ch This guide also covers management options and detailed explanation about hardware and software functions Overview of this user s manual Chapter 1 Introduction describes the features of 9 port Gigab...

Страница 10: ...z Gigabit Fast Ethernet specifications 1000Mbps SFP Fiber transceiver is a Gigabit Ethernet port that fully complies with 1000Base SX LX standards 1000Mbps Single Fiber WDM BiDi transceiver is design...

Страница 11: ...Port GbE Web Smart PoE Switch a standalone off the shelf switch provides the comprehensive features listed below for users to perform system network administration and efficiently and securely serve y...

Страница 12: ...length can be up to 9600 bytes for jumbo frame application Supports Broadcasting Suppression to avoid network suspended or crashed Supports to send the trap event while monitored events happened Supp...

Страница 13: ...Ethernet PoE ports and 1 SFP fiber ports for optional removable modules on the front panel of the switch LED display area locating on the left side of the panel contains a Power LED which indicates t...

Страница 14: ...occurred 10 100 1000Ethernet TP Port 1 to 8 LED LINK ACT Green Lit when connection with remote device is good Blinks when any traffic is present PoE Yellow Off Lit Yellow when PoE mode enable Off whe...

Страница 15: ...transceiver SFP LC 1000Mbps LC SM 10km SFP Fiber transceiver SFP LC S10 1000Mbps LC SM 30km SFP Fiber transceiver SFP LC S30 1000Mbps LC SM 50km SFP Fiber transceiver SFP LC S50 1000Mbps BiDi SC SM 2...

Страница 16: ...ing please do first Wear a grounding device to avoid the damage from electrostatic discharge Be sure that power switch is OFF before you insert the power cord to power source Installing Optional SFP F...

Страница 17: ...o tell from them just plug it Use Cat 5 grade RJ 45 TP cable to connect to a TP port of the switch and the other end is connected to a network aware device such as a workstation or a server Repeat the...

Страница 18: ...e SM The later is categorized into several classes by the distance it supports They are SX LX LHX XD and ZX From the viewpoint of connector type there mainly are LC and BIDI SC Gigabit Fiber with mult...

Страница 19: ...1 0 m Fiber Cable 10 10 m TP to fiber Converter 56 Bit Time unit 1ns 1sec 1000 Mega bit Bit Time unit 0 01 s 1sec 100 Mega bit Table 2 2 Sum up all elements bit time delay and the overall bit time de...

Страница 20: ...sing The switch supports both port based VLAN and tag based VLAN They are different in practical deployment especially in physical location The following diagram shows how it works and what the differ...

Страница 21: ...ess VLAN1 and VLAN3 members but they could access VLAN4 members 3 VLAN3 members could not access VLAN1 VLAN2 and VLAN4 4 VLAN4 members could not access VLAN1 and VLAN3 members but they could access VL...

Страница 22: ...Switch through Ethernet Port There are two ways to configure and monitor the switch through the switch s Ethernet port They are Web browser manager The user interface for the last one is Management s...

Страница 23: ...ress Subnet Mask Default Gateway and DNS IP address The address of the network device in the network is used for internetworking communication Its address structure looks is shown in the Fig 2 8 It is...

Страница 24: ...0 0 and 223 255 255 255 Each class C network has a 24 bit network prefix followed 8 bit host address There are 2 097 152 2 21 24 networks able to be defined with a maximum of 254 2 8 2 hosts per netwo...

Страница 25: ...ach bit of the first three bytes is 1 It s now clear that the first two bytes is used to identify the class B network the third byte is used to identify the subnet within this class B network and of c...

Страница 26: ...k can be cut into small pieces of network If we want to have more than two independent networks in a worknet a partition to the network must be performed In this case subnet mask must be applied For d...

Страница 27: ...Address as shown in the Fig 2 9 enter 192 168 1 1 for instance For sure an IP address such as 192 168 1 x must be set on your PC Second Subnet Mask as shown in the Fig 2 9 enter 255 255 255 0 Any sub...

Страница 28: ...ification of the switch please refer to Appendix A The switch is suitable for the following applications Central Site Remote site application is used in carrier or ISP See Fig 2 10 Peer to peer applic...

Страница 29: ...Publication date Aug 2014 Revision A1 21 3 Fig 2 12 Office Network Connection Fig 2 11 Peer to peer Network Connection...

Страница 30: ...998 Gigabit Ethernet was rolled out and provided 1000Mbps Now 10G s Ethernet is under approving Although these Ethernet have different speed they still use the same basic functions So they are compati...

Страница 31: ...the interface between the Ethernet MAC and upper layers in the protocol stack usually Network layer which is nothing to do with the nature of the LAN So it can operate over other different LAN technol...

Страница 32: ...me reserved values indicates some well known services listed in the table below 0xAAAA SNAP 0xE0E0 Novell IPX 0xF0F0 NetBios 0xFEFE IOS network layer PDU 0xFFFF Novell IPX 802 3 RAW packet 0x4242 STP...

Страница 33: ...t MAC address The first bit of the first byte in the Destination address DA determines the address to be a Unicast 0 or Multicast frame 1 known as I G bit indicating individual 0 or group 1 So the 48...

Страница 34: ...e node The SA is always an individual address and the left most bit in the SA field is always 0 Length Type This field indicates either the number of the data bytes contained in the data field of the...

Страница 35: ...frame the preamble PRE bytes are inserted and sent first then the next Start of frame Delimiter SFD DA SA and through the data field and FCS field in turn The followings summarize what a MAC does befo...

Страница 36: ...time between the two most distant devices This maximum time is traded off by the collision recovery time and the diameter of the LAN In the original 802 3 specification Ethernet operates in half duple...

Страница 37: ...ex operation mode both transmitting and receiving frames are processed simultaneously This doubles the total bandwidth Full duplex is much easier than half duplex because it does not involve media con...

Страница 38: ...re is no carrier signal on the medium at that time the device will wait for a period of time known as an inter frame gap time to have the medium clear and stabilized as well as to have the jobs ready...

Страница 39: ...ticast address designated to recognize If not discards it and the MAC passes the frame to its client and goes back to the ready state 3 If the frame is too long If yes throws it away and reports frame...

Страница 40: ...rocess it in the same way as a basic normal frame For a VLAN enabled LAN all involved devices must be equipped with VLAN optional function At operating speeds above 100 Mbps the slotTime employed at s...

Страница 41: ...ame slot time the signals will collide referred to as collision The arbitrator will arbitrate who should gain the media The arbitrator is a distributed mechanism in which all stations contend to gain...

Страница 42: ...at s more when operating in full duplex mode the distance can reach farther than half duplex because it is not limited by the maximum propagation delay time 512 bits time If fiber media is applied the...

Страница 43: ...the entry will be marked invalid The vacancy is now available for other new MAC Both learning and forwarding are the most important functions in a switch Besides that VLAN can be one of the rules to...

Страница 44: ...e WRR will transmit the packet with the weight So the packet of each priority level can be allocated a fixed bandwidth Bandwidth rating Bandwidth rating is the limitation set by administrator and it c...

Страница 45: ...outside the LAN a router is needed which always lies on the edge of the LAN For a layer 2 VLAN it assumes it is a logical subset of a physical LAN separated by specific rules such as tag port MAC addr...

Страница 46: ...ion or join a new user somewhere in the building to VLAN Without VLAN it is very hard to do Basically VLAN can afford offering at least 3 benefits move and change users reduce broadcast traffic and in...

Страница 47: ...Length Type VLAN Protocol ID 0x8100 User Priority CFI VLAN identifier Fig 3 10 Tag Format VLAN Protocol ID 8100 is reserved for VLAN tagged frame User Priority 3 bits long User priority is defined to...

Страница 48: ...d determine to which ports the packet should be forwarded Next it will check to see if the destination ports belong to the same VLAN with that PVID If the destination ports are members of the VLAN use...

Страница 49: ...pply the outgoing port according to the request from forwarding process with VID and DA When a packet is received if it has a non zero VID then FID will offer the associated outgoing ports information...

Страница 50: ...ch VLAN Usually we use 10 x x x as internal IP block Because there are total four VLANs in the network we must assign 4 IP blocks to each of them Name VID Network Address Marketing 2 10 1 2 0 24 Servi...

Страница 51: ...nd your budget and the solution caused by the limitation of hardware performance may not be scalable If the item 2 is the case now you do not have to pay much more extra cost and can keep flexible acc...

Страница 52: ...switch switch to station and station to station Here station may be a host or a router Link Aggregation called port trunking sometimes has two types of link configuration including static port trunk a...

Страница 53: ...to locate the switch Subnet Mask 255 255 255 0 Default Gateway 192 168 1 254 Password admin Table 4 1 When the configuration of your Web Smart Switch is completed you can browse it by the IP address y...

Страница 54: ...n of Page Layout On the top part of the information page it shows the front panel of the switch Linked ports will be displayed in green color and linked off ones will be in black For the optional modu...

Страница 55: ...ug 2014 Revision A1 47 names in normal type are the sub functions When clicking it the function is performed The following list is the main function tree for web user interface Configuration Monitorin...

Страница 56: ...N Group Configuration Aggregation RSTP PoE IGMP Snooping Mirror QoS Loop Detection Broadcast Storm Protection System Information VLAN Group Configuration VLAN Isolation PoE Configuration PoE State PoE...

Страница 57: ...manual IP address setting Fig 4 3 Function name System Configuration Function description Show system description firmware version hardware version MAC address serial number active IP address active s...

Страница 58: ...name for this switch Up to 16 characters are allowed in this parameter Any alphanumeric character and null are acceptable Default AW GET 094A 130 System Contact The textual identification of the conta...

Страница 59: ...me value as that of the other devices resided in the same network it attaches For more information please also see the Section 2 1 4 IP Address Assignment in this manual Default 255 255 255 0 Fallback...

Страница 60: ...specify an user defined NTP server as well as Time Zone the switch will sync the time in a short after pressing Apply button Though it synchronizes the time automatically NTP does not update the time...

Страница 61: ...set the values for Mode and Flow Control Others you could set the power saving mode for switch power consumption Fig 4 5 Port Configuration Parameter description Enable Jumbo Frames This function supp...

Страница 62: ...table summarized the function the media supports Media type NWay Speed Duplex 1000M TP ON OFF 10 100 1000M Full for all Half for 10 100 1000M Fiber ON OFF 1000M Full In Auto Speed mode no default valu...

Страница 63: ...packet coming in or outgoing from any one port of a port based VLAN will be accepted No filtering criterion applies in port based VLAN The only criterion is the physical port you connect to For exampl...

Страница 64: ...based VLAN mode Function description The VLAN membership configuration for the selected switch can be monitored and modified here Up to 4094 VLANs are supported This page allows for adding and deleti...

Страница 65: ...all tagged and untagged packets Tagged Only Forward tagged packets only and discard untagged packets Pvid This PVID range will be 1 4094 Before you set a number x as PVID you have to create a Tag base...

Страница 66: ...58 Access The tag of any tagged frame will be removed to become an untagged frame These untagged frames will be transmitted untagged VID Shows untagged VID untagged VLAN ID Port s UVID determines the...

Страница 67: ...group If you are in tag based VLAN it will show the ID VID Member of the existed tag based VLAN group The switch can store the configuration of port based VLAN and tag based VLAN separately When you...

Страница 68: ...this is used to enable or disable if a port is a member of the new added VLAN Enable means it is a member of the VLAN Just tick the check box beside the port x to enable it Add Group Create a new port...

Страница 69: ...ayer 2 switch as a protected port or a non protected port A destination address on an data packet is matched with a physical address on said layer 2 switch and a forwarding map is generated for the da...

Страница 70: ...assification PSE detects resistor indicating power range 14 5 20 5 Mark 1 Signals PSE is 802 3at capable PD presents a 0 25 4 mA load 7 10 Class 2 PSE outputs classification voltage again to indicate...

Страница 71: ...rt Circuit or over temperature occurs Fig 4 12 Parameter description PoE Enabled To evoke to enable which port supply the power to the PD Priority Three options are offered for the user to choose incl...

Страница 72: ...PoE State Function name Power over Ethernet status Function description This page allows the user to inspect the current status for all PoEports The section show all port Power Over Ethernet Status Fi...

Страница 73: ...cation date Aug 2014 Revision A1 65 The current is supplied to the PD by the port Priority The Priority shows the port s priority configured by the user Port Status The Port Status shows the port s st...

Страница 74: ...Disable Ping Check function Port No To display the Port Index the maximum is 24 Ping IP Address To set up the PD s IP address which you need to check it is alive Interval Time To set up the spacing in...

Страница 75: ...action command The values are Nothing and Reboot Remote PD Nothing The switch detects that PD occurs failure and do nothing Reboot Remote PD The switch detect that PD occurs failure and then reboot it...

Страница 76: ...ion description The function provides user to appoint date and time Enable or Disable PoE function switch can with according to the time when is set up carry on the designated movements Web Smart Swit...

Страница 77: ...ule mode To set the schedule mode with Enable or Disable The default is Disable Select all To select all date and time to enable the PoE function Hour Day To evoke what time to enable the PoE function...

Страница 78: ...ee Fast Ethernet ports are aggregated into a logical port then this logical port s bandwidth would be as three times high as a single Fast Ethernet port s Function name Aggregation Configuration Funct...

Страница 79: ...y one path existing between two stations in your network environment The switch allows you to create multiple STP configurations and assign ports to a specific tree Function name RSTP System Configura...

Страница 80: ...allowed range is 6 to 40 seconds Default 20 Forward Delay This is the maximum time in seconds a switch will wait before changing states The general rule 2 Forward Delay 1 Max Age 2 Hello Time 1 Defaul...

Страница 81: ...guration Parameter description IGMP Enabled Just tick the check box to enable this function Default disable Router Ports Just tick the check box beside the port x to enable router ports then press the...

Страница 82: ...After IGMP Enabled function start up then user can tick the check box to enable this function Default enable IGMP Querying Enabled After IGMP Enabled function start up then user can tick the check bo...

Страница 83: ...i ports For example we assume that Port A and Port B are Source Ports and Port C is Mirror Port respectively thus the traffic passing through Port A and Port B will be copied to Port C for monitor pur...

Страница 84: ...d first Function name 802 1p QoS Mode Function description This function will affect the priority of VLAN tag Based on priority of VLAN tag it can arrange 0 7 priorities priorities can map to 4 queues...

Страница 85: ...mprise a code point which is sometimes abbreviated DSCP and the last two bits are left unused DSCP can form total 64 0 63 kinds of Traffic Class based on the arrangement of 6 bit field in DSCP of the...

Страница 86: ...Aug 2014 Revision A1 78 DSCP Configuration 64 kinds of priority traffic as mentioned above user can set up any of Queue low normal medium high In default Priority 0 63 are mapping to Queue high Fig 4...

Страница 87: ...tion frames If you want to resume the locked port please find out the looping path and take off the looping path then select Unlock port and click on Apply to turn on the locked ports Fig 4 28 Loop De...

Страница 88: ...d enable port s Loop detection the port can detect loop happens and port will be Locked If Loop did not happen port maintains Unlocked Unlock port When ticking the port port locked will be opened and...

Страница 89: ...gured the port will be blocked for a period of time which can be set After a configured time the switch will detect whether the broadcast packets received on the port still exceed the threshold If the...

Страница 90: ...red the Broadcast Strom Protection enable Unlock Time The period in seconds for which a port will be kept disabled in the event of a loop is detected and the port action is to shut down the port State...

Страница 91: ...Publication date Aug 2014 Revision A1 83 4 3 Monitoring There are four functions contained in the monitoring function Monitoring Statistics Overview Detailed Statistics RSTP Status IGMP Status Ping...

Страница 92: ...ormation and provides overview of general traffic statistics for all switch ports Fig 4 31Statistics Overview for all ports Parameter description Tx Rx Bytes The number of received and transmitted byt...

Страница 93: ...ed RX Octets Total received bytes Rx High Priority Packets Number of Rx packets classified as high priority Rx Low Priority Packets Number of Rx packets classified as low priority Rx Broadcast Show th...

Страница 94: ...Number of 65 126 byte frames in good and bad packets received Rx 128 255 Bytes Number of 127 255 byte frames in good and bad packets received Rx 256 511 Bytes Number of 256 511 byte frames in good and...

Страница 95: ...rames according to max_length register with valid CRC Rx Fragments Number of short frames 64 bytes with invalid CRC Rx Jabber Number of long frames according to max_length register with invalid CRC Rx...

Страница 96: ...how the VLAN Id Bridge Id Show this switch s current bridge priority setting and bridge ID which stands for the MAC address of this switch Hello Time Show the current hello time of the root bridge Hel...

Страница 97: ...te Aug 2014 Revision A1 89 Show the root bridge s spanning tree topology Root Id Show root bridge ID of this network segment If this switch is a root bridge the This switch is Root will show this swit...

Страница 98: ...s received To count the group membership queries received V1 Reports When a host receives a group membership query it identifies the groups associated with the query and determines to which groups it...

Страница 99: ...t identifies the groups associated with the query and determines to which groups it belongs The host then sets a timer with a value less than the Max Response Time field in the query for each group to...

Страница 100: ...Parameters Target IP address Set up a Target IP address to ping Count Use drop down menu to set number of echo requests to send Four type of number can choose there are 1 5 10 and 20 Default 1 Time O...

Страница 101: ...e active target IP address Status Show the result of the ping status Received replies Show the received replies number of times Request timeouts Show the timeout of request Average Response times In m...

Страница 102: ...ation date Aug 2014 Revision A1 94 4 4 Maintenance There are five functions contained in the maintenance function Warm Restart Factory Default Maintenance Software Upgrade Configuration File Transfer...

Страница 103: ...retrieve default settings After upgrading software you have to reboot the device to have new configuration take effect The function being discussed here is software reset Function name Warm Restart Fu...

Страница 104: ...on Except the IP address setting all settings will be restored to the factory default values when Factory Default function is performed If you want to restore all configurations including the IP addre...

Страница 105: ...2014 Revision A1 97 4 4 3 Software Upgrade Function name Software Upgrade Function description You can just click Browse button to retrieve the file you want in your system to upgrade your switch Fig...

Страница 106: ...ration File Transfer Function description You can backupyour switch s configuration file into your computer folder in case accident happens In addition uploading backup configuration file into a new o...

Страница 107: ...ssion If you do not logout and exit the browser the switch will automatically have you logout Besides this manually logout and implicit logout you can set up the parameter of Auto Logout Timer in syst...

Страница 108: ...network configuration on Computer C 2 The uplink connection function fails to work The connection ports on another must be connection ports Please check if connection ports are used on that 9 PortGbE...

Страница 109: ...rts Any ports can be in disable mode force mode or auto polling mode Supports Head of Line HOL blocking prevention Supports broadcast storm filtering Web based management provides the ability to compl...

Страница 110: ...onMode 10 100Mbps support full or half duplex 1000Mbps support full duplex only TransmissionSpeed 10 100 1000Mbps for TP 100 1000Mbps for Fiber Full Forwarding Filtering Packet Rate PPS packets per se...

Страница 111: ...Configuration Auto negotiation support on 10 100Base TX ports Web browser can set transmission speed 10 100Mbps and operation mode Full Half duplex on each port enable disable any port set VLAN group...

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