1. DNA-A212 / DNA-A213 ADSL 2+ Modem/Router
SemIndia
DNA-A212 / DNA-A ADSL 2+ Modem/Router
Product Training

2. Product Overview
Delivers data speeds up to 24 Mbps downstream and 1/3 Mbps upstream as per ADSL2+ Standards
Built-in Integrated Wireless LAN
Designed using Industry leading Broadcom Chipset
4 Ethernet ,one USB and 1 Wi-Fi interface for LAN Side or User Connectivity
1 ADSL2+ WAN Interface for Internet access / Other Applications like IP TV etc.
Simple web based configuration capability.
Supports HTTP, Telnet, TFTP and FTP.
Ideal for SOHO and residential applications

3. Feature Highlights General Features
Supports ADSL/ADSL2/ADSL2+ Annex A standards
Compatible and interoperable with most central office side ADSL DSLAM or Multi –service Access Systems
Interchangeable between Bridge and Router mode
RFC 2684 Bridge and Routing over ATM over ADSL
PPPoE, IPoA and PPPoA Routing over ATM over ADSL
Interfaces
Four 10/100BaseT Ethernet Port for PC/LAN connection
One USB Interface
One b/g WiFi interface for PC/LAN connection
RJ11 interface for DSL connection with Telcos

4. Feature Highlights IP addressing Local Management
DHCP Server and Relay support
Support for Second IP address on the LAN interfaces.
Network Address Translation (NAT) support
Local Management
Friendly Graphical User Interface (GUI) for web configuration.
Additional management support through telnet
Downloadable flash software upgrades
Firmware upgradeable through TFTP, HTTP
Web based configuration backup & restore
User friendly front panel LED support
TR-64 LAN management protocol

5. Feature Highlights Remote Management Basic Data Service
Standard MIBs and SNMPv2 for management through EMS and NMS
SSL for TR069 remote management
Remote SW download through TR069
Basic Data Service
IEEE802.11b/g, WiFi compliant
Antenna Connectors:One external Antenna
Data Rate:11,5.5,2,1 Mbps for b and 54 Mbps for g
WEP
WPA-PSK,802.1X

6. Feature Highlights Basic Data Service Advanced Data Service
RFC 2684 Bridged and routed support
LLC SNAP and VC MUX encapsulation
Supports up to 8 Permanent Virtual Circuits (PVC)
Client Based PPPoE and Inbuilt PPPoE support
Advanced Data Service
UBR, CBR, VBR-rt and VBT-nrt traffic class support
VPI range (0-255) and VCI range ( )
Support for up to 8 PPPoE sessions
PPPoE authentication using PAP, CHAP or MSCHAP
PPPoE static IP support
IP QoS
802.1q VLAN tagging and 802.1p bit marking support
Built-in diagnostics
IGMP snooping and multicast support
Static IP routing

7. Feature Highlights Security Firewall
WEP Encryption:64-bit or 128-bit key
MAC address filtering
WPA-PSK
Firewall
IP address filtering and Port based filtering
Stateful packet Inspection
Denial of Service attack, firewall trigger
URL content based filtering
Filtering on application basis
Pass through/open/redirection and port mapping
IPSec, L2TP and PPTP Pass-Through for VPN
De-Militarized Zone (DMZ) hosting
NAT/PAT with ALG support

8. Feature Highlights Routing Protocol Support Power and Environmental
RFC 2684 Routed
RIP v1/v2 and Static IP Routing
Protocol Support
IP Multicast, IGMP v1/v2
TFTP, DHCP, Telnet, HTTP, FTP
ATM, AAL5, 802.1D Bridging,
PPPoE, SNMP
Simple Network Time Protocol (SNTP)
Virtual servers
Power and Environmental
Input voltage 10V DC
Power Consumption <7.5watts
Dimensions 185(W) x 137(D) x 43 (H) mm
Operating temperature: 0~45OC, 5~85% humidity
Storage temperature: 10~30oC, 5~60% humidity

9. Feature Highlights Differences between DNA-A212 & DNA-A213
DNA-A213 has DYING GASP support
DNA-A212 does not have Dying GASP.
This is the only difference between the 2 Models

10. Installation of Modem Connect the Modem to the Power Supply Adapter
Next Connect the Ethernet Cable from the Modem Ethernet Port to the Ethernet Port on the PC .

11. Installation of the Modem
Connect from the ADSL Splitter Port Marked as LINE to the BSNL Wall Socket
Using the RJ-11 Cable supplied, Connect the ADSL Port on the Modem to the Splitter marked as “MODEM”.
Then connect then Phone on to the Splitter marked “PHONE” using one more RJ-11 Cable.
Over all the connectivity looks as below

12. Modem Power On and LED Status
Using the ON/Off Switch Power on the Modem.
Once Powered on, Power LED will start glowing Green
After initial self test the WLAN LED will be solid Green
The Ethernet LEDs if they are connected to the PCs will be Solid Green.
The USB LEDs if they are connected to the PCs will be Solid Green.
The DSL LED will blinking Green during the Training or Handshake Phase and once trained or Handshake is complete, it will be Solid Green.
INTERNET LED will blink green once the Modem gets IP Address on its WAN Side (This depends on whether PPPoE or MER or IPOA are done on the Modem)

13. Modem Basic Configuration
DNA-A212 & DNA-A213 is shipped with a default configuration of 8 PVCs for the deployment of Modems as part of MTNL Project.
How ever to modify configuration of the Modem following Basic Configuration Steps need to be carried out on the Modem.
To illustrate the configuration steps
VPI =0 and VCI=35 are used
For PPPoE Username = ABCDE Password= ABCDE are used
Also assumed that there is no WAN configuration on the Modem.
Ensure that PC is configured to get DHCP Address
By Default PC should get the Following Parameters once connected to the Modem and the Modem is Powered ON.
IP Address …………: (If this is the Ist PC)
Subnet Mask……….:
Default Gateway…..:

14. Modem Basic Configuration
In order to verify whether an IP Address is assigned to the PC go the Command Prompt. Follow the steps below.
Start Run
Type cmd in Open Dialog Box and then Press OK
At the DOS Prompt type IPCONFIG to the IP Address Details

15. Modem Configuration
Access the Modem WEB Page by typing on the Web Browser (Internet Explorer, Netscape, etc )
A login Prompt Pops up where you need to give Modem User Name and Password. The User Name and Password are “admin” and “admin”

16. Modem Configuration
Once successfully logged in the Modem will display the device info on the screen as shown below.

17. Modem Configuration
To configure the Modem on the WAN side click on the Advanced setup Menu and then click on the WAN.
PPPoE Configuration
To create a PPPoE Service Click on Add Button.

18. Modem Configuration PPPoE Configuration on the Modem
Assign VPI=0 and VCI=35 as shown in the Screen below and Click on Next button

19. Modem Configuration PPPoE Configuration on the Modem
Select the Connection type PPPoE and Encapsulation LLC/SNAP-Bridging as shown in the picture below and then Click on Next Button

20. Modem Configuration PPPoE Configuration on the Modem
Enter the Username, Password and other information provided by your service provider and click the Next button as shown in the picture below. Example: PPP Username = ABCDE, PPP Password = ABCDE and PPPoE Service Name=12345(if Provided by the Service Provider)

21. Modem Configuration PPPoE Configuration on the Modem
The following screen displays the configuration summary. Click the Save button to save the setting.
If any further changes are needed then Click the Back button to do further Modifications.

22. Modem Configuration PPPoE Configuration on the Modem
After clicking on the Save the configuration will be saved and the following Screen will be displayed.
Here click on Save and Reboot Button to activate the configuration changes.

23. Modem Configuration Bridge Configuration on the Modem
To create a Bridge Service Click on Add Button from the
Advanced Setup  WAN

24. Modem Configuration Bridge Configuration on the Modem
Assign VPI=0 and VCI=35 as shown in the Screen below and Click on Next button

25. Modem Configuration Bridge Configuration on the Modem
Select the Connection type Bridge and Encapsulation LLC/SNAP-Bridging as shown in the picture below and then Click on Next Button

26. Modem Configuration Bridge Configuration on the Modem
In the following screen ensure that the ENABLE Bridge Service check box is selected and then Click the Next button.

27. Modem Configuration Bridge Configuration on the Modem
The following screen displays the configuration summary. Click the Save button to save the setting.
If any further changes are needed then Click the Back button to do further Modifications.

28. Modem Configuration Bridge Configuration on the Modem
After clicking on the Save the configuration will be saved and the following Screen will be displayed.
Here click on Save and Reboot Button to activate the configuration changes.

29. Wireless Configuration
DNA-A212& DNA-A213 functions as a Wireless Access Point enabling Wi-Fi capable LAPTOPs to access Internet or other PCs connected on to the Modem.
The forthcoming slides illustrate how to configure the Wireless portion on the Modem.

30. Wireless Configuration
To configure the Wireless Section click on the Wireless Button
This will open the Wireless Basic configuration page as shown in the Picture below.
Enter the name of the Access Point SSID, Check the “Enable Access Point” check box and select the Country.
After making the changes click on Save and Apply. By default Wireless section is configured with SSID as INDIA, Country as India. And it is also enabled by default.

31. Wireless Configuration
Network Authentication and Data Encryption for the Wireless section cane be configured by clicking on the Security Button under wireless section as shown in the Picture below. This is for Secure communication from the PCs to the Modem.
Use the Pull down Menu to configure the required options for Authentication and Encryption

32. Wireless Configuration
Using MAC Filter option under the Wireless Section Menu Nodes or PCs can be restricted. This is to prevent Un authorized access to the Modem. In the Menu Below click on the Add and then enter the MAC Addresses of the PCs that are allowed to access the Internet.
For Advanced options refer to the User Manual supplied with the Modem.

33. Modem Troubleshooting

34. Modem Troubleshooting
Problem with Modem Powering ON
Problem
Troubleshooting
None of the LEDs will glow when the Modem is Powered ON
Make sure that the Modem’s power adaptor is connected to the Modem and plugged in to an appropriate power source.
Check that the power source for the Adapter is OK.
Check the DC Voltage of Power Adapter Output. If the Output is OK then it could Problem of Modem Hardware. Modem need to be sent to SemIndia for repair or replacement.
If the Output is not OK then it could be Power Adapter Problem. Power Adapter need to be sent to SemIndia for repair or replacement.

35. Modem Troubleshooting
Problem with the LAN LED
Problem
Troubleshooting
LAN LEDs do not turn ON for Ethernet
Check Ethernet cable connections from Modem to PCs.
Change the Cable and check for connectivity
Check with the Other Ports on the same Modem
Make sure PC’s Ethernet card is working properly.
If above checks failed then it could be a problem with the Ethernet Port and Modem need to be sent to SemIndia for repair or replacement.
If the Output is not OK then it could be Power Adapter Problem. Power Adapter need to be sent to SemIndia for repair or replacement.

36. Modem Troubleshooting
Problem with LAN Interface
Problem
Troubleshooting
Cannot access the Modem from the LAN
Check the LAN LED Status. If not OK refer to LAN LED Troubleshooting
Make sure that the IP address and the subnet mask of the Modem and your computer(s) are on the same subnet.

37. Modem Troubleshooting
Problem with the DSL LED
Problem
Troubleshooting
DSL LED is OFF
Check the connections between the Modem DSL port and Splitter and between Splitter and the wall jack are proper.
Make sure that the telephone company has checked your phone line and set it up for DSL service.
Try removing ADSL line from the modem and reinserting back to reinitialize the link to the DSLAM.
If the error persists, it could be hardware problem. Modem need to be sent to SemIndia for repair or replacement.

38. Modem Troubleshooting
Problem with the WAN Interface
Problem
Troubleshooting
I cannot get a WAN IP address From the ISP.
Usually Modem gets the WAN IP address from DHCP Server on the WAN Side after the Modem is authenticated by the ISP with the credentials configured on the Modem. Authentication may be through the user name and password, the MAC address or the host name.
The username and password are applicable to PPPoE and PPPoA encapsulation only. Make sure that you have entered the correct Service Type, User Name and Password (User Name and Password are case sensitive).

39. Modem Troubleshooting
Problem with the Internet Access
Problem
Troubleshooting
Cannot access the Internet.
Make sure the Modem is turned ON and connected to the network. If the DSL LED is OFF, refer to the Problems with the DSL LED section.   
Verify WAN settings, Make sure you entered the correct user name and password.
Check with the ISP NOC if there is any change in the settings.

40. Modem Troubleshooting
Problem with the Login Password
Problem
Corrective Action
Unable to login to the Modem Web Page.
The username is “admin”. The default password is “admin”. The Password and Username fields are case-sensitive. Make sure that you enter the correct password and username using the proper casing.
If the password is changed and the customer has forgotten then the Modem need to be restored to the Factory Defaults and then reconfigure once again.

41. Modem Troubleshooting
Problem with WEB Configuration
Problem
Troubleshooting
Can ping the Modem from the PC, but cannot access the Modem WEB interface
This could be due to Proxy Server Settings defined in the WEB Browser. Disable Proxy Server Settings on the WEB Browser.
In case of Internet Explorer under Tools Internet Options  Connections  LAN Settings  uncheck the “Use a Proxy Server for your LAN “ option.
In case of Netscape communicator this will be under Edit  Preferences  Advanced Settings  Proxies.
In case of Netscape communicator this will be under Edit  Preferences  Advanced Settings  Proxies.

42. Modem Troubleshooting
Problem with Internet Browsing
Problem
Resolution
Can ping the ADSL Router but cannot browse the Internet.
This can be due to the problem with the DNS Entries, assign the DNS entries under Network  Properties  TCP/IP. Assign the DNS entries provided by the ISP.

43. Modem Troubleshooting
Problem with the Wi Fi Connectivity
Problem
Resolution
Not able to connect to Modem’s Wi Fi Interface.
Check whether Wireless Access Point is enabled on the Modem (WLAN LED should Glow). If not, Enable through WEB Configuration.
Ensure the wireless NIC is working properly on the PC/LAPTOP.
Ensure that the PC with Wi-Fi Enabled is with in the accessible range of the Modem.
Check whether you are connected to the Correct Wireless Access Point.
Check the Security configuration settings and MAC Filter Settings and MAC Filter settings on the Modem.

44. Advance Configuration

45. Advance Configuration options of DNA-A212/213
This section details some of the configuration options as listed below.
Default Configuration settings on the Modems specific to MTNL requirements.
Firewall Configuration settings
Wi-Fi security configuration settings.

46. Default Configuration Settings on DNA-A212/213
DNA-A212/A213s are shipped with preconfigured Services vide
VPI/VCI or PVCs,
PPPoE UserName and Password.
Interface Grouping and Marking
Wi-Fi Security Settings.
If required these parameters can be Modified or edited as per the End User requirements.
VPI/VCI’s:
PPPoE Username and Password:
The 0/32 (VPI/VCI) is configured for PPPoE Service and the Username and Password are “triband” and “triband” respectively. These parameters need to be modified for each end user by editing the PPPoE Service.

47. Default Configuration Settings on DNA-A212/213
Interface Grouping and Marking As depicted in the on the Right side
Ethernet Port3 on the Modem is Mapped for IPTV Service.
i.e., Using Ethernet Cable connect IPSTB to the Ethernet Port3.
Ethernet Port4 on the Modem is Mapped for VoIP Service.
i.e., Using Ethernet Cable connect IP Phone to Ethernet Port4.
Following Screenshot shows the Mappings for the IPTV Services.
IPTV is Mapped Ethernet 2 to WAN Side 0/33 PVC
VoIP is Mapped Ethernet 3 to WAN Side 0/33 PVC
The Rest of the Interfaces are grouped under the Group Name Default. And PC’s connected either on Ethernet 1, Ethernet4, Wi_Fi or USB can be used to browse Internet.

48. Wi-Fi configuration Settings
DNA-A213 and DNA-A212 are enabled with Wi-Fi Security.
End User cannot directly Wi-Fi Connect his PC or LAPTOP to the Modem without knowing the Modem Wi-Fi Security Key (WEP Key).
For Wi-Fi access configuration on the PC / Laptop End user must first connect his PC to the Modem Using Ethernet Cable.
Access the Modem Web Page(
After successful Login into the Modem user is displayed the following Information.
Here Note down the WEP Key either in the Notepad or a Piece of Paper for configuring the PC/Laptop’s Wi-Fi adapter settings.
It is up to user whether to use the default security settings or change them.

49. NAT/Firewall Configuration Settings
DNA-A212 and DNA-A213 are enabled for NAT & Firewall.
Unless the Connections are explicitly allowed Modems will drop all the connections to the inside hosts/services.
User can enable access to the Services hosted by like http/ftp by configuring either Virtual Servers or DMZ.
The main difference between Virtual Servers and DMZ is that
With Virtual Servers user can open a specific port for the external users and the traffic designated to this <Public IP>:<port> will be rerouted to the Server on his LAN Side.
In case of DMZ any connection initiated by external host/s to the <Public IP>will be rerouted to the PC on his LAN side.
Virtual Server Settings DMZ Settings

50. NAT/Firewall configuration Settings
User can deny outgoing connections from Internal Hosts or allow incoming connections from external hosts using the Security – IP Filters configuration.
Outgoing (Deny) Incoming (Allow)
Also Certain Application can be blocked for Internal Users using Application Filters option.
MAC Address Filters is one option to prevent access to Banned Users with in an small Office.

51. THANK YOU
- Sai