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> D-Link DSL-2640U - Discussion | [adslmodem] [wifirouter] Discussion, configuration, problem solving
ctich
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05.01.15, 18:52
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D-Link DSL-2640U - Discussion

A photo:
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Description:
ADSL port and 4-port switch
The router is equipped with an ADSL port for connecting to an ADSL line. The built-in 4-port router switch allows you to connect computers equipped with Ethernet adapters, game consoles and other devices to your network. In addition, any Ethernet port of the device can be used to connect to a dedicated Ethernet line.

Security
The universal wireless router DSL-2640U / NRU is equipped with a built-in firewall. Advanced security features help minimize the effects of hackers and prevent intrusions into your network and access to unwanted sites for users of your local network.

Wireless interface
Using the DSL-2640U / NRU universal wireless router, you can quickly organize a wireless network at home and in the office, which will allow your employees or members of your family to connect to the wireless network practically at any point (within the coverage area of ​​the wireless network). The router can act as a base station to connect 802.11b, 802.11g, and 802.11n * devices to a wireless network.
The device supports several security standards (WEP, WPA / WPA2), filtering connected devices by MAC-address, and also allows the use of WPS technology.

Setup and Management
A simple and convenient built-in web interface (available in several languages) is used to control and configure the DSL-2640U / NRU universal wireless router.
Specifications:
Specifications:
Interfaces
• ADSL: 1 port with RJ-11 connector
• LAN: 4 10 / 100BASE-TX Ethernet ports with RJ-45 connector with automatic MDI / MDIX polarity detection
• WLAN: built-in wireless 802.11b, g and n draft interface

Wireless network
• IEEE 802.11n standard, compatible with IEEE 802.11b / g standard devices
• guest wireless network support
• WEP encryption
• WPA / WPA2 encryption technology with TKIP, AES and TKIP + AES mechanisms
• MAC address based wireless access
• PIN and PBC WPS functions
• Advanced settings

ADSL Standards
• ADSL: multi-mode, ANSI T1.413 Issue 2, ITU-T G.992.1 (G.dmt) Annex A, ITU-T G.992.2 (G.lite) Annex A, ITU-T G.994.1 (G .hs)
• ADSL2: ITU-T G.992.3 (G.dmt.bis) Annex A / L / M, ITU-T G.992.4 (G.lite.bis) Annex A
• ADSL2 +: ITU-T G.992.5 Annex A / L / M

Types of WAN Connections
ADSL:
• PPPoA
• PPPoE
• IPoE
• IPoA
• Bridge
Ethernet:
• Static IP
• DHCP
• PPPoE

ATM / PPP protocols
• Ethernet encapsulation in bridge and router modes
• VC / LLC based multiplexing
• ATM Forum UNI3.1 / 4.0 PVC (up to 8 PVC)
• ATM type 5 adaptation layer (AAL5)
• Principles and functions of OAM ITU-T I.610, including F4 / F5 loopback
• ATM QoS
• PPP over ATM (RFC 2364)
• PPP over Ethernet (PPPoE)
• Keep-alive support for PPP protocols

Network Protocols and Functions
• Static IP Routing
• NAT mechanism
• DHCP server / client / relay
• DNS relay
• Dynamic DNS (DDNS)
• UPnP
• VLAN support
• IGMP proxy

Firewall and Access Control
• NAT Firewall
• Connection Status Monitoring (SPI)
• Filtering by MAC addresses based on the time of day and days of the week
• URL filter
• Packet Filtering (IP / ICMP / TCP / UDP)
• Virtual servers
• Prevent DoS Attacks
• Intrusion Detection and Event Logging System
• DMZ security technology
• Port Triggering Support

QoS
• interface grouping
• 3 priority queues

Setup and Management
• Web-based configuration and management interface in multiple languages.
• Updating the internal software of the router through the web-interface
• Save and load configuration
• Support remote logging
• SNMP agent
• Automatic synchronization of system time with NTP server


Physical parameters
Nutrition
• External power adapter
• ON / OFF power switch
• ON / OFF wireless switch
• Reset button to return to factory default settings.
• WPS button

* Maximum wireless speed is limited by the chipset to 65 Mbit / s
Useful links:

There is no curator in the subject. For questions about filling the caps, please contact the section moderators via the buttonPictureunder the messages. How to do it right, what would you understand the first time, well describedhere.

Post has been editedctich - 14.05.17, 13:36
Reason for editing: Assigning a LAN as a WAN
virtual13
Message#22
16.04.15, 22:14
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* zsdfgiu

Directly from the com port in any way, you need a usb / com adapter, or a com on max232, s232, and so on. You can power the chip with a computer + 3.3v
easy to assemble yourself, it works well, from any port to a chip any cord, it is possible and wiring, a chip preferably S232, power from a computer, router, battery + 3.3v at your discretion


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zsdfgiu
Message#23
17.04.15, 00:15
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easy to assemble yourself
Easy, easy, easy, what a cow drinks ...
Who knows how and has everything you need at hand ... In short, it’s better to be rich and healthy than poor and sick. :)
virtual13
Microchip Desirable S232
Aha So in the cable guide is not simple, but with some kind of microcircuit, of course.
virtual13
Power supply from computer, router, battery + 3.3v at your discretion
And here with the guide does not converge. There it was proposed not to touch the VCC connector, but to deal only with Tx, Rx and GND.
But this is all the lyrics, I'll go to the SC long or any other repair office - they have these S232 - like shoe polish: rolleyes:
In general, thanks, I realized that I can rest here.

Post has been editedzsdfgiu - 17.04.15, 00:16
virtual13
Message#24
17.04.15, 10:49
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* zsdfgiu

The usb / com adapter has a PL2303 microcircuit and it is powered by a usb cord, so the vcc router in this case is not used as unnecessary, S232 if there is no place to take
food or just laziness, then we take from the vcc router
neos79
Message#25
19.04.15, 08:36
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Help guys set up QoS. I play on my computer in WoT, my wife watches the movie over the laptop via wi-fi; ping immediately jumps is not realistic. How do I set the speed priority? Help please (tired to swear with his wife) Model: DSL_2640U Firmware version: 1.0.32

Post has been editedneos79 - 19.04.15, 18:25


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ftorchik51
Message#26
21.04.15, 19:56
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Hello! Tell me where you can download the firmware ... or other options for the following criteria.
There are routers: Asus DSL-N10 (distributes wi-fi) and D-Link DSL-2640U (in theory should be a repeater)
However, in the native firmware there is no possibility of a repeater. For example, in TP-link there is a client item.
Due to unsuccessful location, it is impossible to supply equipment so that there is a necessary coverage area using 1 device.
Connecting routers between each other is also not an option through the cable.
Waiting for your suggestions: help:
virtual13
Message#27
21.04.15, 23:05
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* ftorchik51,

2640 with a delivered 5db antenna can easily cope if you leave it in place (only my motherboard I cut off), try
Piligrim23
Message#28
07.05.15, 20:17
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���� ����� Delink DSL 2640 �������� ������ ����� ���� 50 ������ � �������� ��� ���� ������������ �������� � ����� (�������� � 7 � ��) ����� ��������. ����� ������ huawei WS319 ����� ���(������������ ����, ��� ����� ���� ���� � � ���� �� ����� . ���� ������������ ������ �������� DSL 2640 ���� ������ , ������ �������, �������� ������ ������ �� �� �����((( download


on the modem ai pi address 192.168.1.1 and on the router 192.168.3.1 help for God's sake 3 week I can’t cope with it ((((
ctich
Message#29
13.05.15, 10:22
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Delink DSL 2640

On DSL 2640 and huawei WS319 is this DHCP enabled?
How are the ports connected, from the LAN port of the DSL 2640 modem to which huawei WS319 port?
In order for them to work in pairs, they must be in the same "ip space", for example DSL 2640 with ip 192.168.1.1, and huawei with WS319 192.168.1.2, while the connection must be from the LAN port DSL 2640 to the LAN port huawei WS319, it is LAN.


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bushkan
Message#30
03.06.15, 23:44
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Hello!
I have dlink 2640u c4
I checked ports through 2ip.ru, on 4 devices (tablet, laptop via wi fi and pc via cable) showed that port 23 of telnet is open, I do not use remote access o.O

Tell me how to close 23 Port 23 (telnet) Telnet Daemon
Telnet protocol. Used to log into the system from a remote computer.?

The telnet configuration is disabled in the router.
John_White
Message#31
05.06.15, 23:20
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* bushkan
Checked ports through 2ip.ru

It is necessary to close either with a hardware or software firewall, and you should not even bother with it.
Deadman_Dima
Message#32
14.07.15, 19:39
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There is a problem.
DSL-2640U / BRU / C2
Put the blue firmwarehttp://ftp.dlink.ru/pu…_C2_1.0.1_20110720.zipto get the WAN port on the LAN but the speed is very low.
When connected via LAN as well as via Wi-Fi as an Internet, the speed is only 13 Mbit / s, which is according to the speed test, which is to download torrents. Moreover, LAN LAN<=>Wi-Fi is the same speed.
With such a speed, the modem ping starts jumping - it is clear that its percentage lies.
Question: so it should be, and this is on my side what? Just something too little like that. This is not even the ADSL speed for which it was originally designed.
John_White
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14.07.15, 21:48
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* Deadman_Dima,
easier to change to another device, this is the old dull ovno
Deadman_Dima
Message#34
15.07.15, 05:47
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* John_White
Yes, I know that sad. It is not clear why only 13 Mbps and the same for any number of connections and protocols.
As if artificially limited. so it became interesting ...
Pingfist
Message#35
17.07.15, 11:31
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Good day to all. Lying modem 2640U C2. I decided to donate and at the same time flash it. But after the firmware, the modem is dead. The computer when autotune gives out an ip from 169.xxx.xxx.xxx. As I understand it, the firmware is crooked. I tried the emergency start, it does not go. Does not respond to the reset button. According to the instructions, the COM connector was shown here (pins 5, 3, 2) on the one hand, and on the other hand, since I did not find the necessary audio cable, I soldered directly to the legs. I set up a program, launched a modem, but in the console some kind of abracadabra stops. No commands go. As I understand it, just directly from the pins on the motherboard of the modem in the COM company is such a connection?

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Deadman_Dima
Message#36
18.07.15, 06:05
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* Pingfist
Not directly. Need a converter com->UART
You can solder / buy max232 or on the basis of suchhttp://meandr.org/archives/5171
But it’s more profitable to take a ready USB adapter>UART on cp2102
strix-iwan
Message#37
21.07.15, 10:31
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I want to make a wi-fi receiver out of 2640u - to transfer the Wi-Fi signal to the LAN port - is it possible on this modem, what do you think? the DSL port in it burned out, the rest of the functions work, so you can scoff. I want to make a type of it a repitter so that the LAN brings the Internet toko. For example, insert DD-WRT firmware - just not where I can not find the info which Broadcom processors it supports.

[

Post has been editedstrix-iwan - 21.07.15, 10:34


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dub93dub
Message#38
02.08.15, 07:50
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I found an easier way to restore the router after unsuccessful firmware and other errors (without any rations and other headaches). All you need is your “plastic brick” and computer. Today it turned out to resurrect my long-killed beast, version C1.
http://wuzup.info/voss...ra-d-link-dir-320-nru/

Post has been editeddub93dub - 02.08.15, 07:51
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02.08.15, 11:54
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* dub93dub,most likely this method is not for all revisions ... In some emergency mode (which is used by this utility) is not. :(


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03.08.15, 00:22
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_Danila_Master_ @ 08/02/2015, 11:54*
* dub93dub,most likely this method is not for all revisions ... In some emergency mode (which is used by this utility) is not. :(

There are no fundamental differences between devices of different revisions. I will not argue, but this method should work with all versions of the device. Someone add a link to the instructions in the header. If you can not flash - unsubscribe. In my case, it was possible to flash the second time.
androman67
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15.08.15, 13:12
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Please tell me, 2640 C4 firmware 1.0.32 I configure PPPoE (Internet) and bridge (ip tv open) - all on a computer through one LAN. It seems everything works, but via WiFi connectionwith access to the Internetpasses from the second, third time. When you connect for the first time, a smart device can get IP 10.xxxxx and only when reconnecting the required 192.168.1.x, if you delete \ disable it in the bridge configuration, then it clings to WiFi the first time and always with the desired IP. What can be done, except to register manually in a smart or grouping interfaces (it also helps, but on one LAN)? I meet such a plug not only on this model and brand of modems.
PS DHCP is enabled.

Post has been editedandroman67 - 15.08.15, 13:18


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