ZyXEL Communications P-870HN-51B Manual

P-870HN-51b
802.11n VDSL2 4-port Gateway
Support Notes
Firmware Version 1.00(BKK.0)b2
September 2009
Edition 1.0

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
INDEX
Application Notes.........................................................................................................5
General Application Notes.....................................................................................6
Why use P-870HN-51b?................................................................................6
Application Scenario......................................................................................7
Prologue.........................................................................................................9
Access Application Notes ....................................................................................11
Web GUI......................................................................................................11
Telnet............................................................................................................12
Internet Connection..............................................................................................13
Bridge Mode ................................................................................................13
IPoE Mode...................................................................................................15
PPPoE Mode................................................................................................19
IGMP Multicast Proxy.........................................................................................23
IP Multicast Introduction .............................................................................23
IGMP Multicast Proxy Configuration..........................................................24
Protocol Based Scenario......................................................................................25
Environment.................................................................................................25
WAN Configuration.....................................................................................25
VLAN Based Scenario.........................................................................................33
Environment.................................................................................................33
WAN Configuration.....................................................................................34
Quality of Service................................................................................................43
Environment.................................................................................................43
QoS configuration........................................................................................44
TR069 –Remote Firmware Upgrade...................................................................47
Environment.................................................................................................47
TR069 Configuration...................................................................................48
NAT Portforwarding ............................................................................................49
NAT/Multi-NAT Introduction......................................................................49
Environment.................................................................................................52
Port Forwarding Configuration....................................................................53
DMZ Host Configuration.............................................................................57
IP Filter ................................................................................................................60
Environment.................................................................................................60
IP Filter Configuration.................................................................................61
Configuration of Accepting Incoming Traffic .............................................63

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
LAN Connection..................................................................................................65
IPAlias Introduction....................................................................................65
IPAlias Configuration .................................................................................66
Maintenance Log .................................................................................................67
Internal Maintenance ...................................................................................67
Remote Maintenance ...................................................................................69
Maintenance Tool.................................................................................................70
Maintenance Procedure................................................................................70
Wireless Application Notes..................................................................................73
Wireless Introduction...................................................................................73
Wireless Configuration ................................................................................84
WPS Application Notes .......................................................................................95
What is WPS?..............................................................................................95
WPS configuration.......................................................................................98
FAQ ...........................................................................................................................102
Product FAQ ......................................................................................................102
Will the device work with my Internet connection?..................................102
Why do I need to use P-870HN-51b?........................................................102
What is PPPoE? .........................................................................................102
Does the device support PPPoE?...............................................................102
How do I know I am using PPPoE?...........................................................103
Why does my provider use PPPoE?...........................................................103
Which InternetApplications can I use with the device?............................103
How can I configure the device? ...............................................................103
What network interface does the device support? .....................................103
What can we do with the device? ..............................................................103
Does device support dynamic IP addressing?............................................104
What is the difference between the internal IP and the real IP from my ISP?
....................................................................................................................104
How does e-mail work through the device? ..............................................104
Is it possible to access a server running behind SUA from the outside
Internet? If possible, how?.........................................................................104
What DHCP capability does the device support?......................................105
How do I used the reset button, more over what field of parameter will be
reset by reset button? .................................................................................105
What network interface does the new device series support?....................105
How does the device support TFTP?.........................................................105
Can the device support TFTP over WAN?.................................................105

P-870HN-51b Support Notes
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How fast can the data go?..........................................................................106
What is Multi-NAT? ..................................................................................106
When do I need Multi-NAT? .....................................................................107
What IP/Port mapping does Multi-NAT support? .....................................107
What is the difference between SUA and Multi-NAT? .............................108
What is BOOTP/DHCP?............................................................................109
What is DDNS?..........................................................................................109
When do I need DDNS service?................................................................109
Wireless FAQ.....................................................................................................110
What is a Wireless LAN? ..........................................................................110
What are the advantages of Wireless LANs? ............................................110
What are the disadvantages of Wireless LANs?........................................111
Where can you find wireless 802.11 networks? ........................................111
What is an Access Point?...........................................................................111
What is IEEE 802.11?................................................................................111
What is 802.11b? .......................................................................................111
How fast is 802.11b?..................................................................................112
What is 802.11a?........................................................................................112
What is 802.11g? .......................................................................................112
Is it possible to use products from a variety of vendors?...........................113
What is Wi-Fi?...........................................................................................113
What types of devices use the 2.4GHz Band?...........................................113
Does the 802.11 interfere with Bluetooth devices?...................................113
Can radio signals pass through walls?.......................................................114
What are potential factors that may causes interference among WLAN
products?....................................................................................................114
What's the difference between a WLAN and a WWAN?..........................114
What is Ad Hoc mode?..............................................................................114
What is Infrastructure mode?.....................................................................115
How many Access Points are required in a given area?............................115
What is Direct-Sequence Spread Spectrum Technology –(DSSS)?.........115
What is Frequency-hopping Spread Spectrum Technology –(FHSS)? ....115
Do I need the same kind of antenna on both sides of a link?.....................115
Why the 2.4 Ghz Frequency range?...........................................................116
What is Server Set ID (SSID)? ..................................................................116
What is an ESSID?.....................................................................................116
How do I secure the data across an Access Point's radio link?..................116
What is WEP?............................................................................................116

P-870HN-51b Support Notes
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What is the difference between 40-bit and 64-bit WEP?...........................117
What is a WEP key? ..................................................................................117
A WEP key is a user defined string of characters used to encrypt and
decrypt data?..............................................................................................117
Can the SSID be encrypted?......................................................................117
By turning off the broadcast of SSID, can someone still sniff the SSID?.117
What are Insertion Attacks?.......................................................................117
What is Wireless Sniffer? ..........................................................................118
What is the difference between Open System and Shared Key of
Authentication Type?.................................................................................118
What is 802.1x? .........................................................................................118
What is the difference between No authentication required, No access
allowed and Authentication required?.......................................................118
What is AAA?............................................................................................119
What is RADIUS?......................................................................................119
What is WPA?............................................................................................119
What is WPA-PSK?...................................................................................119
Trouble Shooting......................................................................................................120
How to enter the “Shell mode” ..................................................................120
CPU usage..................................................................................................121
Memory usage............................................................................................121
Current processes.......................................................................................122
IGMP table.................................................................................................122
Packets statistics.........................................................................................123
Physical layer statistics..............................................................................123
CLI Command List..................................................................................................124

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
General Application Notes
Why use P-870HN-51b?
High Speed Internet Access
The P-870HN-51b is a VDSL gateway supporting the downstream
transmission up to 100Mbps and upstream transmission up to 50 Mbps.
Quality of Service (QoS)
The P-870HN-51b with Quality of Service features ensures that the Triple Play
Service keeps the high quality delivery in VDSL high speed Internet access.
PPP over Ethernet
Since the PPPoE will benefit both Telco and ISP, the P-870HN-51b shall
implement this feature and be tested well with the PPPoE servers.
Multi-NAT
The NAT provides system administrators an easy solution to create a private
IP network for the security and IP management. Powered by NAT technology,
the P-870HN-51b supports the complete NAT mapping and most popular
Internet multimedia applications, such as NetMeeting, MSN Messenger,
Skype, ICQ, IPTV, QuickTime, Real Player (RSP/RTSP), VoIP SIP ALG, etc.

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
Application Scenario
FTTx - FTTC Solution
A typical scenario is used with P-870HN-51b in a FTTC (Fiber to the Curb)
solution. The P-870HN-51b serves as a home gateway, providing the high speed
INTERNET service and High Quality IPTV service. The COE (VDSL switch) is located in
a street cabinet, providing a high speed service within a 700 feet range, assuring the
bandwidth reaching up to 100/50Mbps (Downstream/Upstream) at maximum.

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
FTTx –FTTB Solution
An often seen scenario is used with P-870HN-51b in a FTTB (Fiber to the
Building) solution. The P-870HN-51b serves as a home gateway, providing the high
speed INTERNET service, High Quality IPTV service and VoIP service. The COE (VDSL
switch) is located inside the cabinet of building, providing a high speed service
covering the whole apartment, assuring the bandwidth reaching up to 100/50Mbps
(Downstream/Upstream) at maximum.

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
Prologue
Before we begin.
The device is shipped with the following factory defaults:
1. IP address = 192.168.1.1, subnet mask = 255.255.255.0 (24 bits)
2. DHCP server enabled with IP pool starting from 192.168.1.33
3. Default username/password = 1234/1234
Setting up the PC (Windows OS)
1. Ethernet Connection
All PCs must have an Ethernet adapter card installed
2. TCP/IP Installation
You must first install the TCP/IP software on each PC before you can use it for the
Internet access. If you have already installed the TCP/IP, go to the next section to
configure it; otherwise, follow these steps to install:
In the Control Panel/Network window, click Add button.
In the Select Network Component Type windows, select Protocol and click
Add.
In the Select Network Protocol windows, select Microsoft from the
manufacturers, then select TCP/IP from the Network Protocols and click OK.
3. TCP/IP Configuration
Follow these steps to configure Windows TCP/IP:
In the Control Panel/Network window, click the TCP/IP entry to select it and
click Properties button.
In the TCP/IP Properties window, select obtain an IP address automatically.
Note: Do not assign the arbitrary IP address and subnet mask to your PCs; otherwise,
you will not be able to access the Internet.
Click the WINS configuration tab and select Disable WINS Resolution.

P-870HN-51b Support Notes
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Click the Gateway tab. Highlight any installed gateways and click the Remove
button until there are none listed.
Click the DNS Configuration tab and select Disable DNS.
Click OK to save and close the TCP/IP properties window.
Click OK to close the Network window. You will be prompted to insert your
Windows CD or disk. When the drivers are updated, you will be asked if you
want to restart the PC. Make sure that your Device is powered on before
answering “Yes”to the prompt. Repeat the aforementioned steps for each
Windows PC on your network.

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
Access Application Notes
Web GUI
The following procedure is for the most typical usage of device using a Browser.
The device supports the embedded Web server that allows you to use Web browser
to configure it. Before configuring the router using Browser, please be sure there is
no Telnet or Console login.
a. Login the P-870HN-51b via Web GUI.
1. Set up your PC/NB IP address to be a DHCP client.
2. Connect to a LAN port of P-870HN-51bvia RJ45 Ethernet cable and open
your IE browser.
3. The default IP of P-870HN-51b is 192.168.1.1 username/password =
admin/1234.

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
Telnet
Telnet is also a common way to configure the device, but we have to use CI
commands which may not be quick-to-learn. The list of the commonly used CI
commands is provided at the end of this document.
b. Login the P-870HN-51b via Telnet.
1. Set up your PC/NB IP address to be a DHCP client.
2. Connect to a LAN port of P-870HN51b via RJ45 Ethernet cable and open
your Hyper Terminal software (capable of using TELNET).
3. The default IP of P-870HN-51b is 192.168.1.1 username/password =
admin/1234.
4. Type the command line “atsh” to display the basic information of device.

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
Internet Connection
Bridge Mode
Scenario:
The P-870HN-51b is a CPE bridge.
a. Bridge Mode
1. Go to Network > WAN > Internet Connection.
2. Click Add
3. Select the Layer 2 interface for this service, e.g “ptm0/(0_0_1)”
4. Click Next
5. Select the WAN service type, i.e. “Bridging”
6. Enter the Service Description, e.g. “Internet”

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
7. Click Next
8. Click Apply/Save

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
IPoE Mode
Scenario:
The P-870HN-51b is a DHCP client in routing mode.
b. IPoE Mode
1. Go to Network > WAN > Internet Connection.
2. Click Add
3. Select the Layer 2 interface for this service, e.g “ptm0/(0_0_1)”
4. Click Next
5. Select the WAN service type, i.e. “IP over Ethernet”
6. Enter the Service Description, e.g. “Internet”

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
7. Click Next
8. Select Obtain an IP address automatically
9. Click Next
10. Select Enable NAT

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
11. Click Next
12. Select the WAN Interface, e.g. “ptm0”for the default gateway
13. Click Next
14. Select Select DNS Server Interface from Available WAN Interface and
select the interface

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
15. Click Next
16. Click Apply/Save

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
PPPoE Mode
Scenario:
The P-870HN-51b is a PPPoE client.
c. PPPoE Mode
1. Go to Network > WAN > Internet Connection.
2. Click Add
3. Select the Layer 2 interface for this service, e.g “ptm0/(0_0_1)”
4. Click Next
5. Select the WAN service type, i.e. “PPP over Ethernet (PPPoE)”
6. Enter the Service Description, e.g. “Internet”

P-870HN-51b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
7. Click Next
8. Enter the PPP Username, e.g. “te[email protected]”
9. Enter the PPP Password, e.g. “1234”
10. Enter the PPPoE Service Name, e.g. “PPPoE”
11. Select the Authentication Method to be “AUTO”
12. Click Next
13. Select the WAN Interface, e.g. “ppp0”for the default gateway