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Chapter 10 DHCP Server

NVG2053 User’s Guide

129

MAC Address This field shows the MAC address of the client computer.

Every Ethernet device has a unique MAC (Media Access Control) address
which uniquely identifies a device. The MAC address is assigned at the
factory and consists of six pairs of hexadecimal characters, for example,
00:A0:C5:00:00:02.

Reserve

Select the check box(es) in each entry to have the NVG2053 always assign
the selected entry(ies)’s IP address(es) to the corresponding MAC
address(es) (and host name(s)).

After you click Apply, the MAC address and IP address also display in the
DHCP Server > Advanced screen (where you can edit them).

Table 39

Network > DHCP Server > Client List (continued)

LABEL

DESCRIPTION

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Summary of Contents for NVG2053

Page 1: ...com www zyxel com NVG2053 Wireless N Gigabit VoIP Gateway Copyright 2011 ZyXEL Communications Corporation Firmware Version 1 0 Edition 1 02 2011 Default Login Details IP Address http 192 168 1 1 Pass...

Page 2: ......

Page 3: ...net access Support Disc Refer to the included CD for support documents Documentation Feedback Send your comments questions or suggestions to techwriters zyxel com tw Thank you The Technical Writing Te...

Page 4: ...ces as well Customer Support Should problems arise that cannot be solved by the methods listed above you should contact your vendor If you cannot contact your vendor then contact a ZyXEL office for th...

Page 5: ...one or more characters and then press the ENTER key Select or choose means for you to use one of the predefined choices A right angle bracket within a screen name denotes a mouse click For example Mai...

Page 6: ...VG2053 User s Guide 6 firmware software for your device Every effort has been made to ensure that the information in this manual is accurate NVG2053 Computer Notebook computer Server Modem Firewall Te...

Page 7: ...AC in Europe Do NOT allow anything to rest on the power adaptor or cord and do NOT place the product where anyone can walk on the power adaptor or cord Do NOT use the device if the power adaptor or co...

Page 8: ...Safety Warnings NVG2053 User s Guide 8...

Page 9: ...Screens 69 Monitor 75 Broadband 81 Wireless LAN 93 LAN 121 DHCP Server 125 Quality of Service QoS 131 Network Address Translation NAT 139 Dynamic DNS 145 Static Route 147 Universal Plug and Play UPnP...

Page 10: ...Contents Overview NVG2053 User s Guide 10...

Page 11: ...the NVG2053 25 1 6 1 Procedure to Use the Reset Button 25 Chapter 2 Tutorials 27 2 1 Overview 27 2 2 Getting Starting with the NVG2053 27 2 3 How to Make a VoIP Call 28 2 3 1 VoIP Calls With a Registe...

Page 12: ...ireless Security No Security 56 3 5 2 Wireless Security WPA PSK WPA2 PSK 57 Chapter 4 Introducing the Web Configurator 59 4 1 Overview 59 4 2 Accessing the Web Configurator 59 4 2 1 Login Screen 60 4...

Page 13: ...at You Need to Know 94 8 3 General Wireless LAN Screen 97 8 3 1 No Security 98 8 3 2 WEP Encryption 99 8 3 3 WPA 2 PSK 101 8 3 4 WPA 2 Authentication 102 8 4 MAC Filter 104 8 5 Wireless LAN Advanced S...

Page 14: ...11 2 1 QoS Class Edit 134 11 3 Technical Reference 135 Chapter 12 Network Address Translation NAT 139 12 1 Overview 139 12 1 1 What You Can Do in this Chapter 140 12 2 The General NAT Screen 140 12 3...

Page 15: ...wall Screen 162 16 4 The Services Screen 163 16 4 1 Configuring Firewall Rules 164 Chapter 17 Voice 167 17 1 Overview 167 17 1 1 What You Can Do in this Chapter 167 17 1 2 What You Need to Know 168 17...

Page 16: ...Screen 204 19 6 The ICMP Screen 205 Chapter 20 Maintenance 207 20 1 Overview 207 20 2 What You Can Do 207 20 3 General Screen 207 Chapter 21 Password 209 21 1 Overview 209 21 1 1 What You Can Do in th...

Page 17: ...ooting 225 27 1 Power Hardware Connections and LEDs 225 27 2 NVG2053 Access and Login 226 27 3 Internet Access 228 27 4 Resetting the NVG2053 to Its Factory Defaults 229 27 5 Wireless Router AP Troubl...

Page 18: ...Table of Contents NVG2053 User s Guide 18...

Page 19: ...19 PART I User s Guide...

Page 20: ...20...

Page 21: ...ls over the Internet The NVG2053 also supports 3G which allows you to insert a 3G wireless adapter in the USB port and use the 3G WAN connection as your WAN or a backup to enhance network reliability...

Page 22: ...se the 3G WAN connection as a backup That means the NVG2053 switches to the 3G wireless WAN connection after the wired Ethernet WAN connection fails The NVG2053 automatically changes back to use the w...

Page 23: ...unction on and off without opening the Web Configurator WPS Wi Fi Protected Setup button You can use the WPS button or the WPS section of the Web Configurator to set up a wireless network with your Zy...

Page 24: ...AN Blinking The NVG2053 is sending receiving data through the wireless LAN Off The wireless LAN is not ready or has failed WAN Green On The NVG2053 has a successful 10 100 1000MB WAN connection Blinki...

Page 25: ...had previously saved the password will be reset to 1234 and the IP address will be reset to 192 168 1 1 1 6 1 Procedure to Use the Reset Button 1 Make sure the power LED is on 2 Press the RESET button...

Page 26: ...Chapter 1 Getting to Know Your NVG2053 NVG2053 User s Guide 26...

Page 27: ...his User s Guide 2 2 Getting Starting with the NVG2053 This quick overview provides pointers on where in this User s Guide you can go to get started with configuring and using the NVG2053 Your NVG2053...

Page 28: ...first have a SIP account set up with either your ISP if they provide such a service or a third party SIP provider 2 3 1 VoIP Calls With a Registered SIP Account To use a registered SIP account you sho...

Page 29: ...nter your SIP account information 8 The NVG2053 allows you to set up multiple SIP accounts Click the Add new account button and then select SIP1 to configure the first SIP account 9 Select the name of...

Page 30: ...P Phone to open the Phone Device screen 2 Click the Edit icon of the first entry to configure the first phone port The phone you choose corresponds to one of two phones physically connected to your NV...

Page 31: ...the handset and hear a dial tone 4 Dial the SIP phone number you want to call 2 4 How to Set up a Secure Wireless Network You want to set up a wireless network so that you can use a notebook to access...

Page 32: ...less settings on the NVG2053 1 Open the Network Wireless LAN General screen in the NVG2053 s web configurator Configure the screen using the provided parameters see page 32 2 Make sure the Enable opti...

Page 33: ...Wireless LAN Advanced screen and make sure the Operating Mode is set to Mixed Click Apply 6 Open the Status screen Verify your wireless and wireless security settings under Device Information and che...

Page 34: ...onnects to the notebook Note The wireless client must be a WPS aware device for example a WPS USB adapter or PCMCIA card There are two WPS methods to set up the wireless client settings Push Button Co...

Page 35: ...n three seconds and release it 5 Alternatively you may log into NVG2053 s web configurator and click the Push Button in the Network Wireless LAN WPS Station screen Note Your NVG2053 has a WPS button l...

Page 36: ...you an example of how to set up a wireless network and its security by pressing a button on both NVG2053 and wireless client Example WPS Process PBC Method Wireless Client Access Point SECURITY INFO C...

Page 37: ...et a PIN number 2 Enter the PIN number in the PIN field in the Network Wireless LAN WPS Station screen on the NVG2053 3 Click the Start buttons or the button next to the PIN field on both the wireless...

Page 38: ...using PIN method Example WPS Process PIN Method 2 4 3 Without WPS Use the wireless adapter s utility installed on the notebook to search for the SSID_Example SSID Then enter the DoNotStealMyWirelessN...

Page 39: ...domain name To use this feature you have to apply for DDNS service at www dyndns org This tutorial shows you how to Registering a DDNS Account on www dyndns org Configuring DDNS on Your NVG2053 Testin...

Page 40: ...ings in the Network Dynamic DNS screen 2a Select Enable DDNS 2b Select WWW DynDNS ORG in the Service Provider field 2c Type zyxelrouter dyndns org in the Domain Name field 2d Enter the user name UserN...

Page 41: ...G2053 s LAN The router may be used to separate two department networks This tutorial shows how to configure a static routing rule for two network routings In the following figure router R is connected...

Page 42: ...e IP settings To configure a static route to route traffic from N1 to N2 1 Log into the NVG2053 s Web Configurator 2 Click Configuration Network Static Route 3 Click the Add Static Route button to cre...

Page 43: ...ceive traffic from A You may need to additionally configure B s firewall settings to allow specific traffic to pass through 2 7 How to Set Up NAT Port Forwarding You manage the Doom server on a comput...

Page 44: ...he NVG2053 and click Apply 2 Click the Port Forwarding tab to open the following screen Click the Add Port Forward button to create a new rule 3 Configure the screen as follows to forward port 666 tra...

Page 45: ...Mbps You want to configure a QoS class to assign the high priority queue 6 to VoIP traffic from the phone port s so that voice traffic will not get delayed when there is network congestion Traffic fro...

Page 46: ...the MAC Address field and 192 168 1 101 in the IP Address field to have the NVG2053 always assign the IP address 192 168 1 101 to the boss s computer Click Apply 2 Click Network QoS and select the Ena...

Page 47: ...name VoIP for example Set Priority to 6 Select From Interface and then FXS from the drop down list to group traffic coming from the phone port s on the NVG2053 Leave all other fields as the default a...

Page 48: ...to which the boss s computer is connected WLAN in this example as he or she has a wireless connection to the NVG2053 Select Source Address and then enter the boss s IP address in the field provided Le...

Page 49: ...net Refer to your ISP for your Internet account information Leave a field blank if you don t have that information 3 2 Accessing the Wizard Launch your web browser and type http 192 168 1 1 as the web...

Page 50: ...three Internet connection types They are Static IP DHCP and PPPoE The wizard attempts to detect which WAN connection type you are using Figure 6 Detecting your Internet Connection Type If the wizard d...

Page 51: ...access to high speed data networks For the service provider PPPoE offers an access and authentication method that works with existing access control systems for instance RADIUS One of the benefits of...

Page 52: ...2053 does that part of the task Furthermore with NAT all of the LAN s computers will have Internet access Figure 8 Internet Connection Type PPPoE The following table describes the labels in this scree...

Page 53: ...reen after clicking Next you might have selected the wrong Internet connection type Click Back make sure your Internet connection is working and select the right connection type Contact your ISP if yo...

Page 54: ...by your ISP Subnet Mask Enter the IP subnet mask in this field Default Gateway Enter the gateway IP address in this field Primary DNS DNS Domain Name System is for mapping a domain name to its corresp...

Page 55: ...ter the new password and retype it to confirm Click Next to proceed with the Wireless Security screen Figure 12 Router Password 3 5 Wireless Security Configure Wireless Settings Configure the wireless...

Page 56: ...criptive name up to 32 printable 7 bit ASCII characters for the wireless LAN If you change this field on the NVG2053 make sure all wireless stations use the same SSID in order to access the network Se...

Page 57: ...name up to 32 printable 7 bit ASCII characters for the wireless LAN If you change this field on the NVG2053 make sure all wireless stations use the same SSID in order to access the network Security m...

Page 58: ...turn it back on If that does not work log in to the web configurator again and check you have typed all information correctly Figure 15 Congratulations You have successfully set up your NVG2053 to ope...

Page 59: ...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 permissi...

Page 60: ...4 2 1 1 Weather Edit You can change the temperature unit and select the location for which you want to know the weather Table 8 Login screen LABEL DESCRIPTION Language Select the language you want to...

Page 61: ...en The following table describes the labels in this screen Note You can also edit the timezone in Section 22 2 on page 212 Table 9 Change Weather LABEL DESCRIPTION Change Unit Choose which temperature...

Page 62: ...Administrator Inactivity Timer field expires default five minutes go to Chapter 20 on page 207 to change this Simply log back into the NVG2053 if this happens Right after you log in the Status screen...

Page 63: ...ar B navigation panel C main window D status bar 4 3 1 Navigation Panel Use the menu items on the navigation panel to open screens to configure NVG2053 features The following tables describe each menu...

Page 64: ...i Protected Setup and view the WPS status WPS Station Use this screen to use WPS to set up your wireless network Scheduling Use this screen to configure the times to enable or disable the wireless LAN...

Page 65: ...iguration Use this screen to configure the NVG2053 to be managed by an ACS Auto Configuration Server Remote MGMT WWW Use this screen to configure through which interface s and from which IP address es...

Page 66: ...er s Guide 66 4 3 2 Main Window The main window displays information and configuration fields It is discussed in the rest of this document 4 3 3 Status Bar Check the status bar when you click Apply or...

Page 67: ...67 PART II Technical Reference...

Page 68: ...68...

Page 69: ...de 69 CHAPTER 5 Status Screens 5 1 Overview Use the Status screens to look at the current status of the device system resources and interfaces LAN WAN WLAN and 3G The Status screen also provides stati...

Page 70: ...NVG2053 to update this screen Refresh Now Click this to update this screen immediately Device Information Host Name This field displays the NVG2053 system name It is used for identification Click this...

Page 71: ...displays whether the NVG2053 acts as a DHCP server and assigns IP addresses to other computers in the LAN Enable or not Disable Click this to go to the screen where you can change it WLAN Information...

Page 72: ...unstable and you should restart the device See Section 26 3 on page 223 or turn off the device unplug the power for a few seconds Interface Status Interface This column displays each interface the NVG...

Page 73: ...l This field displays the model name of your 3G card 3G Card IMEI This field displays the International Mobile Equipment Number IMEI which is the serial number of the 3G wireless card IMEI is a unique...

Page 74: ...Chapter 5 Status Screens NVG2053 User s Guide 74...

Page 75: ...e Log Settings screen Use the Log Settings screen Section 6 3 on page 76 to configure which logs and or immediate alerts the NVG2053 is to record Use the DHCP Table screen Section 6 4 on page 77 to vi...

Page 76: ...nitor Log Log Settings The screen appears as shown Figure 23 Monitor Log Log Settings Table 14 Monitor Log View Log LABEL DESCRIPTION Display Select a category of logs to view Select All Logs to view...

Page 77: ...dress Host Name and MAC Address of all network clients using the NVG2053 s DHCP server Figure 24 DHCP Table The following table describes the labels in this screen 6 5 The Packet Statistics Screen Cli...

Page 78: ...ory Usage This field specifies the percentage of memory utilization WAN Port Statistics Link Status This displays the port speed and duplex setting or Down when the line is disconnected WAN IP Address...

Page 79: ...e following table describes the labels in this screen Up Time This is the total time the NVG2053 has been for each session Poll Interval s Enter the time interval in seconds for refreshing statistics...

Page 80: ...Chapter 6 Monitor NVG2053 User s Guide 80...

Page 81: ...other networks so that a computer in one location can communicate with computers in other locations Figure 27 LAN and WAN See Section 7 4 on page 90 for advanced technical information on WAN 7 1 1 Wh...

Page 82: ...e NVG2053 tries to access the Internet If your ISP assigns you a static WAN IP address they should also assign you the subnet mask and DNS server IP address es and a gateway IP address DNS Server Addr...

Page 83: ...he method of encapsulation used by this connection 8021p This indicates the 802 1P priority level assigned to traffic sent through this connection This field is blank when there is no priority level a...

Page 84: ...he mode and encapsulation you choose 7 3 1 1 DHCP This screen displays when you select the Routing mode and DHCP encapsulation Figure 29 Network Broadband DHCP Encapsulation The following table descri...

Page 85: ...Select this option to activate NAT on this connection IGMP Proxy Enable Internet Group Multicast Protocol IGMP is a network layer protocol used to establish membership in a Multicast group it is not u...

Page 86: ...irectly on the NVG2053 rather than individual computers the computers on the LAN do not need PPPoE software installed since the NVG2053 does that part of the task Furthermore with NAT all of the LANs...

Page 87: ...ISP give you one IP address only and you want multiple computers to share an Internet account Select Bridge when your ISP provides you more than one IP address and you want the connected computers to...

Page 88: ...been set to be the deafult gateway through which the NVG2053 forwards the traffic DNS Server First DNS Server Second DNS Server Third DNS Server Select Obtained From ISP if your ISP dynamically assign...

Page 89: ...escriptive name of up to 15 alphanumeric characters for this connection Mode Select Routing default from the drop down list box if your ISP give you one IP address only and you want multiple computers...

Page 90: ...y limiting broadcasts to a smaller and more manageable logical broadcast domain In traditional switched environments all broadcast packets go to each and every individual port With VLAN all broadcasts...

Page 91: ...ly the priority level is significant and the default VID of the ingress port is given as the VID of the frame Of the 4096 possible VIDs a VID of 0 is used to identify priority frames and value 4095 FF...

Page 92: ...Chapter 7 Broadband NVG2053 User s Guide 92 At start up the NVG2053 queries all directly connected networks to gather group membership After that the NVG2053 periodically updates this information...

Page 93: ...ure 32 Example of a Wireless Network The wireless network is the part in the blue circle In this wireless network devices A and B are called wireless clients The wireless clients use the access point...

Page 94: ...o enable or disable WPS generate a security PIN Personal Identification Number and see information about the NVG2053 s WPS status Use the WPS Station Section 8 8 on page 109 screen to add a wireless c...

Page 95: ...ents extending a network s range Traditionally a wireless network operates in one of two ways An infrastructure type of network has one or more access points and one or more wireless clients The wirel...

Page 96: ...ttacker out Other security standards are secure in themselves but can be broken if a user does not use them properly For example the WPA PSK security standard is perfectly secure if you use a long key...

Page 97: ...to confirm You must then change the wireless settings of your computer to match the NVG2053 s new settings Click Network Wireless LAN to open the General screen Figure 33 Network Wireless LAN General...

Page 98: ...ailable if Auto Channel Selection is disabled Auto Channel Selection Select this option to have the NVG2053 automatically determine a channel to use Operating Channel This displays the channel the NVG...

Page 99: ...range Figure 34 Network Wireless LAN General No Security The following table describes the labels in this screen 8 3 2 WEP Encryption Your NVG2053 allows you to configure up to four 64 bit or 128 bit...

Page 100: ...Wireless LAN General Static WEP LABEL DESCRIPTION Security Mode Select Static WEP to enable data encryption PassPhrase Enter a Passphrase up to 26 printable characters and click Generate A passphrase...

Page 101: ...the clients to provide the WEP key prior to communication ASCII Select this option in order to enter ASCII characters as WEP key HEX Select this option in order to enter hexadecimal characters as a WE...

Page 102: ...TION Security Mode Select WPA PSK or WPA2 PSK to enable data encryption WPA Compatible This field appears when you choose WPA PSK2 as the Security Mode Check this field to allow wireless devices using...

Page 103: ...tion with another AP before connecting to it Select Enabled to turn on preauthentication in WAP2 Otherwise select Disabled Authentication Server IP Address Enter the IP address of the external authent...

Page 104: ...ery Ethernet device has a unique MAC Media Access Control address The MAC address is assigned at the factory and consists of six pairs of hexadecimal characters for example 00 A0 C5 00 00 02 You need...

Page 105: ...Filter Action Define the filter action for the list of MAC addresses in the MAC Filter Summary table This field is configurable only when you select Enable in the MAC Address Filter field Select Allow...

Page 106: ...he output power of the NVG2053 to reduce interference with other APs Select one of the following 100 90 75 50 or 25 See the product specifications for more information on your NVG2053 s output power H...

Page 107: ...able WPS view or generate a new PIN number and check current WPS status To open this screen click Network Wireless LAN WPS tab Table 29 Network Wireless LAN QoS LABEL DESCRIPTION WMM QoS Select Enable...

Page 108: ...y settings have been changed The current wireless and wireless security settings also appear in the screen This displays Unconfigured if WPS is disabled and there are no wireless or wireless security...

Page 109: ...uration method to add another WPS enabled wireless device within wireless range of the NVG2053 to your wireless network See Section 8 10 3 1 on page 114 Click this to start WPS aware wireless station...

Page 110: ...s field works in conjunction with the Day and Except for the following times fields Day Select Everyday or the specific days to turn the Wireless LAN on or off If you select Everyday you can not selec...

Page 111: ...devices are sometimes not aware of each other s presence This may cause them to send information to the AP at the same time and result in information colliding and not getting through By setting this...

Page 112: ...eless network Furthermore there are ways for unauthorized wireless devices to get the MAC address of an authorized device Then they can use that MAC address to use the wireless network 8 10 2 3 User A...

Page 113: ...two devices Device A only supports WEP and device B supports WEP and WPA Therefore you should set up Static WEP in the wireless network Note It is recommended that wireless networks use WPA PSK WPA o...

Page 114: ...figuration PBC is initiated by pressing a button on each WPS enabled device and allowing them to connect automatically You do not need to enter any information Not every WPS enabled device has a physi...

Page 115: ...ps to set up a WPS connection between an access point or wireless router referred to here as the AP and a client device using the PIN method 1 Ensure WPS is enabled on both devices 2 Access the WPS se...

Page 116: ...ce acts as the enrollee the device that receives network and security settings The registrar creates a secure EAP Extensible Authentication Protocol tunnel and sends the network name SSID and the WPA...

Page 117: ...e All WPS certified APs can be a registrar and so can some WPS enabled wireless clients By default a WPS devices is unconfigured This means that it is not part of an existing network and can act as ei...

Page 118: ...work Step 1 In step 2 you add another wireless client to the network You know that Client 1 supports registrar mode but it is better to use AP1 for the WPS handshake with the new client since you must...

Page 119: ...the WPS button on the registrar and the first enrollee for example then check that it successfully enrolled then set up the second device in the same way WPS works only with other WPS enabled devices...

Page 120: ...this has happened WPS works between only two devices simultaneously so if another device has enrolled your device will be unable to enroll and will not have access to the network If this happens open...

Page 121: ...ched A LAN is a computer network limited to the immediate area usually the same building or floor of a building Figure 49 LAN Example The LAN screens can help you manage IP addresses 9 2 What You Can...

Page 122: ...eset in the factory with the following values IP address of 192 168 1 1 with subnet mask of 255 255 255 0 24 bits DHCP server enabled with 100 client IP addresses starting from 192 168 1 100 These par...

Page 123: ...up membership After that the NVG2053 periodically updates this information IP multicasting can be enabled disabled on the NVG2053 LAN and or WAN interfaces in the Web Configurator 9 4 LAN IP Screen Us...

Page 124: ...TION Multicast IGMP Internet Group Multicast Protocol is a network layer protocol used to establish membership in a multicast group Select IGMPv1 v2 to enable multicasting This applies to traffic rout...

Page 125: ...anced Section 10 4 on page 126 screen to assign IP addresses on the LAN to specific individual computers based on their MAC Addresses Use the Client List Section 10 5 on page 128 screen to view curren...

Page 126: ...nfigure the DNS server information that the NVG2053 sends to the DHCP clients Table 37 Network DHCP Server General LABEL DESCRIPTION DHCP Server Select Enable to turn on the DHCP server for LAN device...

Page 127: ...MAC address with colons of a computer on your LAN IP Address Type the LAN IP address of a computer on your LAN DNS Server DNS Servers Assigned by DHCP Server The NVG2053 passes a DNS Domain Name Syst...

Page 128: ...ess displays in the field to the right read only The NVG2053 tells the DHCP clients on the LAN that the NVG2053 itself is the DNS server When a computer on the LAN sends a DNS query to the NVG2053 the...

Page 129: ...factory and consists of six pairs of hexadecimal characters for example 00 A0 C5 00 00 02 Reserve Select the check box es in each entry to have the NVG2053 always assign the selected entry ies s IP ad...

Page 130: ...Chapter 10 DHCP Server NVG2053 User s Guide 130...

Page 131: ...a classified traffic flow The NVG2053 assigns each packet a priority and then queues the packet accordingly Packets assigned a high priority are processed more quickly than those with low priority if...

Page 132: ...dd edit or delete QoS classes A class groups traffic into data flows according to specific criteria such as the source address destination address source port number destination port number or incomin...

Page 133: ...ult queue with the lowest priority Add new Class Click this button to create a new QoS class This field displays the index number of the class Status This shows whether the class is enabled or not Cla...

Page 134: ...guration The following table describes the labels in this screen Table 41 QoS Class Configuration LABEL DESCRIPTION Class Configuration Select to enable or disable this class Class Name Enter a descri...

Page 135: ...MAC address of the packet Destination IP Address Select the check box and enter the destination IP address in dotted decimal notation and select a source subnet mask Port Range Select the check box a...

Page 136: ...he 802 1p DiffServ QoS is used to prioritize source to destination traffic flows All packets in the flow are given the same priority You can use CoS class of service to give different priorities to di...

Page 137: ...ant ToS enabled network device will not conflict with the DSCP mapping The DSCP value determines the forwarding behavior the PHB Per Hop Behavior that each packet gets across the DiffServ network Base...

Page 138: ...yer2 and Layer3 QoS Mapping PRIORITY QUEUE LAYER 2 LAYER 3 IEEE 802 1P USER PRIORITY ETHERNET PRIORITY TOS IP PRECEDENCE DSCP IP PACKET LENGTH BYTE 0 1 0 000000 1 2 2 0 0 000000 1100 3 3 1 001110 0011...

Page 139: ...te local IP addresses to globally unique ones required for communication with hosts on other networks It replaces the original IP source address in each packet and then forwards it to the Internet The...

Page 140: ...t number or a range of port numbers to be forwarded and the local IP address of the desired server The port number identifies a service for example web service is on port 80 and FTP on port 21 In some...

Page 141: ...s you to define the local servers to which the incoming services will be forwarded To change your NVG2053 s port forwarding settings click Network NAT Port Forwarding The screen appears as shown Note...

Page 142: ...ys the inside IP address of the server Modify Click the Edit icon to open a screen where you can modify an existing rule Click the Remove icon to delete a rule Apply Click Apply to save your changes b...

Page 143: ...the first port and the last port such as 10 20 Server IP Address Type the IP address of the server on your LAN that receives packets from the port s specified in the Port field Back Click Back to retu...

Page 144: ...Chapter 12 Network Address Translation NAT NVG2053 User s Guide 144...

Page 145: ...To Know Dynamic DNS allows you to update your current dynamic IP address with one or many dynamic DNS services so that anyone can contact you in NetMeeting CU SeeMe etc You can also access your FTP se...

Page 146: ...ey Enter the password you used to register for this service IP Address Update Policy Select Use WAN IP Address to have the NVG2053 update the domain name with the WAN interface s IP address Select Aut...

Page 147: ...to the NVG2053 s LAN interface The NVG2053 routes most traffic from A to the Internet through the NVG2053 s default gateway R1 You create one static route to connect to services offered by your ISP be...

Page 148: ...y this rule Destination This parameter specifies the IP network address of the final destination Routing is always based on network number Subent Mask This parameter specifies the IP network subnet ma...

Page 149: ...Address This parameter specifies the IP network address of the final destination Routing is always based on network number If you need to specify a route to a single host use a subnet mask of 255 255...

Page 150: ...Chapter 14 Static Route NVG2053 User s Guide 150...

Page 151: ...the NVG2053 15 2 What You Need to Know Identifying UPnP Devices UPnP hardware is identified as an icon in the Network Connections folder Windows XP Each UPnP compatible device installed on your netwo...

Page 152: ...vice joins a network it announces its presence with a multicast message For security reasons the NVG2053 allows multicast messages on the LAN only All UPnP enabled devices may communicate freely with...

Page 153: ...Click Network and Sharing Center 3 In the Network and Sharing window set Network Discovery to On This activates the UPnP feature in Windows 7 Table 50 Advanced UPnP LABEL DESCRIPTION UPnP Select Enab...

Page 154: ...ouble click Network Connections 3 In the Network Connections window click Advanced in the main menu and select Optional Networking Components Network Connections 4 The Windows Optional Networking Comp...

Page 155: ...k OK to go back to the Windows Optional Networking Component Wizard window and click Next 15 5 Using UPnP in Windows XP This section shows you how to use the UPnP feature in Windows XP You must alread...

Page 156: ...Click Start and Control Panel Double click Network Connections An icon displays under Internet Gateway 2 Right click the icon and select Properties Network Connections 3 In the Internet Connection Pr...

Page 157: ...ngs Internet Connection Properties Advanced Settings Internet Connection Properties Advanced Settings Add 5 When the UPnP enabled device is disconnected from your computer all port mappings will be de...

Page 158: ...n Status 15 5 2 Web Configurator Easy Access With UPnP you can access the web based configurator on the NVG2053 without finding out the IP address of the NVG2053 first This comes helpful if you do not...

Page 159: ...ork Places under Other Places Network Connections 4 An icon with the description for each UPnP enabled device displays under Local Network 5 Right click on the icon for your NVG2053 and select Invoke...

Page 160: ...PnP NVG2053 User s Guide 160 6 Right click on the icon for your NVG2053 and select Properties A properties window displays with basic information about the NVG2053 Network Connections My Network Place...

Page 161: ...over the Internet using a common language called TCP IP TCP IP in turn is a set of application protocols that perform specific functions An extension number called the TCP port or UDP port identifies...

Page 162: ...ing of how they work you might inadvertently introduce security risks to the firewall and to the protected network Make sure you test your rules after you configure them These custom rules work by com...

Page 163: ...e to activate the firewall When the firewall is enabled the NVG2053 blocks all incoming traffic from the WAN to the LAN Create custome rules to allow certain WAN users to access your LAN or to allow t...

Page 164: ...for example TCP port 80 defines web traffic Modify Click the Edit icon to open a screen where you can modify an existing rule Click the Remove icon to delete a rule from the NVG2053 Add Enter an inde...

Page 165: ...the firewall rule to traffic initiating from this computer Source IP Address Enter the IP address of the computer that initializes traffic for the application or service The NVG2053 applies the firewa...

Page 166: ...Chapter 16 Firewall NVG2053 User s Guide 166...

Page 167: ...count screen Section 17 4 on page 172 to set up information about your SIP account configure dialing plan rules and enable certain phone functions Use the Phone Device screen Section 17 4 on page 172...

Page 168: ...net When you set the NVG2053 to use your SIP account to make calls the NVG2053 is able to send all the information about the phone call to your service provider on the Internet Strictly speaking you d...

Page 169: ...rovider gave you ready before you start to configure the NVG2053 17 3 The SIP Service Provider Screen Click VoIP SIP SIP Service Provider to open the SIP Service Provider screen Use this screen to con...

Page 170: ...Address Enter the IP address or domain name of the SIP register server if your VoIP service provider gave you one Otherwise enter the same address you entered in the SIP Server Address field You can...

Page 171: ...NVG2053 to keep it from re translating the IP address since this is already handled by the outbound proxy server Server Address Enter the IP address or domain name of the SIP outbound proxy server Ser...

Page 172: ...ter the minimum number of seconds the NVG2053 lets a SIP session remain idle without traffic before it automatically disconnects the session When two SIP devices start a SIP session they must agree on...

Page 173: ...s field displays a name to identify this account Service Provider This field displays the name of the service provider profile used for this account Account No This field displays the SIP number of th...

Page 174: ...G2053 to use this account SIP Account Number Enter your SIP number In the full SIP URI this is the part before the symbol You can use up to 127 printable ASCII characters Authentication User Name Ente...

Page 175: ...n encoding the sample s actual quantized value G 726 operates at 16 24 32 or 40 kbps G 729 is an Analysis by Synthesis AbS hybrid waveform codec It uses a filter based on information about how the hum...

Page 176: ...NVG2053 automatically subscribes again Enable Unconditional Forward Select this if you want the NVG2053 to forward all incoming calls to the specified phone number Specify the phone number in the To N...

Page 177: ...call This can be used for local calls in the US 9 xxx xxxxxxx means the NVG2053 automatically removes the specified prefix 9 from the number you dialed before making the call This is always used for...

Page 178: ...k a phone port s Edit icon in the Phone Device screen Figure 75 VoIP Phone Phone Device Edit Table 58 VoIP Phone Phone Device LABEL DESCRIPTION Phone ID This is the phone port in the NVG2053 Outgoing...

Page 179: ...ort SIP Number This field displays the SIP number of the account Common Setting Speaking Volume Control Enter the loudness that the NVG2053 uses for speech that it sends to the peer device Minimum is...

Page 180: ...ve configured a speed dial rule you can use a shortcut the speed dial number 01 for example on your phone s keypad to call the phone number Table 60 VoIP Phone Region LABEL DESCRIPTION Country Select...

Page 181: ...This field displays the speed dial number you should dial to use this entry Number This field displays the SIP number the NVG2053 calls when you dial the speed dial number Description This field displ...

Page 182: ...ted to the PHONE 2 port can still be used for making PSTN calls You can also use the PSTN call through screen to specify phone numbers that should always use the regular phone service without having t...

Page 183: ...rnet Telephony Service Provider ITSP companies provide VoIP service Table 63 VoIP PSTN Line General LABEL DESCRIPTION PSTN Line Pre fix Number Enter a prefix up to seven numbers you dial before you di...

Page 184: ...the SIP account in a way similar to the way an e mail address identifies an e mail account The format of a SIP identity is SIP Number SIP Service Domain SIP Number The SIP number is the part of the S...

Page 185: ...ediately Authorization Requirements SIP registrations and subsequent SIP requests require a username and password for authorization These credentials are validated via a challenge response system usin...

Page 186: ...rver A SIP redirect server accepts SIP requests translates the destination address to an IP address and sends the translated IP address back to the device that sent the request Then the client device...

Page 187: ...SIP identity to IP address or domain name mapping The register server checks your user name and password when you register RTP When you make a VoIP call using SIP the RTP Real time Transport Protocol...

Page 188: ...h an OK response confirming receipt of the BYE request and the call is terminated SIP Call Progression Through Proxy Servers Usually the SIP UAC sets up a phone call by sending a request to the SIP pr...

Page 189: ...ble shows the SIP call progression 1 User Agent 1 sends a SIP INVITE request to Proxy 1 This message is an invitation to User Agent 2 to participate in a SIP telephone call Proxy 1 sends a response in...

Page 190: ...NVG2053 supports the following codecs G 711 is a Pulse Code Modulation PCM waveform codec PCM measures analog signal amplitudes at regular time intervals and converts them into digital samples G 711 p...

Page 191: ...nimum delay and the networking methods used to provide bandwidth for real time multimedia applications Type of Service ToS Network traffic can be classified by setting the ToS Type of Service values a...

Page 192: ...er Hop Behavior that each packet gets across the DiffServ network Based on the marking rule different kinds of traffic can be marked for different priorities of forwarding Resources can then be alloca...

Page 193: ...if you do not issue the sub command before the default sub command timeout 2 seconds expires or issue an invalid sub command the current operation will be aborted European Call Hold Call hold allows y...

Page 194: ...Disconnect the first call and answer the second call Either press the flash key and press 1 or just hang up the phone and then answer the phone after it rings Put the first call on hold and answer the...

Page 195: ...tion will be aborted USA Call Hold Call hold allows you to put a call A on hold by pressing the flash key If you have another call press the flash key to switch back and forth between caller A and B b...

Page 196: ...to someone party A press the flash key to put the caller on hold and get a dial tone 2 Dial a phone number directly to make another call to party B 3 When party B answers the second call press the fl...

Page 197: ...N or a backup when the wired WAN connection fails Figure 85 3G WAN Connection 18 1 1 What You Can Do in this Chapter The 3G Connection Setup screen lets you configure the 3G WAN connection Section 18...

Page 198: ...your local ISP 18 4 The 3G Connection Setup Screen Use this screen to configure your 3G settings Click Configuration USB Service At the time of writing the 3G cards you can use in the NVG2053 are Huaw...

Page 199: ...can enter up to 31 ASCII printable characters Spaces are allowed Dial Number Enter the phone number dial string used to dial up a connection to your service provider s base station Your ISP should pro...

Page 200: ...Chapter 18 USB Service NVG2053 User s Guide 200...

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