ADSL is a broadband networking technology that transmits data over copper telephone lines.

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26
votes
7answers
13k views

Ethernet cable too long?

I have an Ethernet cable running from a Huawei ADSL router to a computer> The total length is 61 meters (200 ft). When connected to the computer, a cycle of identifying, disconnected, identifying, ...
25
votes
4answers
5k views

Two Routers are fighting each other on LAN

My apartment is quite large and most rooms have several walls, meaning Wifi signals drop easily. To combat this I found a spare DSL Router I had previously and placed that in the Kitchen and ...
14
votes
2answers
330 views

How on earth can this reported hour-long ping time be real?

I recently spent the Easter bank holiday with my parents, who live in a very rural area in the UK. They have a (terrible) ADSL internet connection, which is run over several kilometres of dodgy copper ...
9
votes
3answers
31k views

What is a kernel intrusion on my router?

I get a lot of "kernel intrusion" messages in my router's error log. Each one always shows the source IP, the destination IP (mine) and other details of the TCP connection. My Internet link has been ...
8
votes
2answers
12k views

Are modems, made for a more recent DSL standard, downwards compatible with older DSL technology?

I understand that older DSL modems aren't compatible with newer technology, but is the case same the other way around? I.e.: Is VDSL2 modem compatible with a VDSL connection? What about with ADSL or ...
7
votes
3answers
3k views

How to mitigate BufferBloat on an ADSL connection?

I've had interesting networking experience before. Before I moved, I've had a VDSL connection, with 3mb uplink. (The down speed was around 30mb but is not relevant at this moment). Whenever I ...
7
votes
2answers
3k views

Which stats are important when looking at DSL line quality, and what do they mean?

I've started getting periodic packet loss on my DSL connection lately, and am trying to understand what conditions are causing this. My DSL modem has a stats page with values for "SN margin (dB)" and ...
6
votes
3answers
37k views

Convert Wireless ADSL Modem Router into a Wireless Access Point, possible?

I have a old "ADSL 4-port wireless modem router" laying around and I wondering could I convert it into WLAN Access Point. Is is possible for Wireless router unit with built-in modem? so far I not able ...
6
votes
1answer
6k views

DNS cannot resolve a web site address

I cannot seem to access one particular website while all others I have no problem. The website in question is bbc.co.uk. At first, I thought there might be some problem with my laptop. However, if I ...
6
votes
4answers
13k views

How to get access to the web interface of an ADSL modem running in bridge mode?

I have a D-Link DSL-2500U ADSL modem. Its default IP is 192.168.1.1 and default login/password for the web interface is admin/admin. If I plug in the Ethernet cable to the NIC of a computer (that runs ...
5
votes
2answers
302 views

If all ADSL providers use the same telephone line, does it matter which provider I choose?

Does it make a difference if I, for example, use BT, Sky or Virgin when using ADSL Broadband? I've got the impression, I am going to use the same broadband (telephone) line anyway, so there shouldn't ...
4
votes
1answer
87 views

Is it possible for an end-user to change the annex-type of a DSL modem/router?

Does someone have experience in changing the annex of a DSL modem/router? I found some reports from UK but no complete instructions or success stories? I bought a TP-Link Archer D7 (Annex A) and ...
4
votes
2answers
599 views

How does a DSL modem know which ISP to connect to?

I am terminating my contract with my old ISP, however, because I've already paid my account till the end of the month, this connection is still active. I have also signed up with a new ISP who mailed ...
4
votes
1answer
6k views

Will an ADSL2+ modem work with a VDSL input connection?

I have BT Infinity broadband (UK) which is Fibre to the Cabinet (FTTC) and then VDSL from the cabinet to the property. BT supply a BT Openreach branded modem to work with the VDSL connection. My ...
3
votes
2answers
5k views

What does that 2 Mbit/s exactly mean for an ADSL?

Recently I came to talk with a network guy about ADSL. He said that an ADSL of 2 Mbit/s means 2 Mbit/s from my modem to the ISP, not 2 Mbit/s from the modem to the internet. That means the speed of ...
3
votes
7answers
10k views

What is the main reason for ADSL modem/routers dying?

The other day my home ADSL modem/router (dwg 684t in this case) died. A guy from the telecom company came to my place and brought another one, but he also left this one. Now, I'm interested - it didn'...
3
votes
7answers
8k views

Connecting a ADSL router to a wireless router. What am I doing wrong?

What is the correct way to do it? This are the steps I have taken: Disable DHCP in Wireless router Setup a fixed IP (192.168.1.2) and telling that the default Gateway is 192.168.1.1 (the ADSL router)...
3
votes
2answers
2k views

Can I to use 2 adsl lines simultaneously?

I've got a ADSL Router linked to a hub/switch, where are linked all PCs in my house. In my neighborhood I can get the line speed only to max of 600 kbps. I was thinking about contract another 600 kbps ...
3
votes
1answer
782 views

Very low SNR and very low line attenuation, what's up with my ADSL?

I have an ADSL connection, I live a couple hundred meters from the local telecommunications cabin. My router says that SNR is 4.8 dB, line attenuation is 9.5 dB and power is 9.8 dBm. From Google I ...
3
votes
4answers
6k views

Should ADSL routers be left switched on 24/7?

I've been happily using my ADSL wireless router for five years, only switching it on when I use it which is typically in the evenings and at weekends. Over the past fews weeks I had a dramatic drop in ...
3
votes
3answers
72 views

Is DSL digital or analogue?

I've looked all over forums and this looks like a popular debate. I currently have an ADSL Sky Broadband connection through the old copper phone line, needing a microfilter to split the frequency ...
3
votes
2answers
2k views

Connecting ADSL router to ADSL2+

Can I connect plain ADSL router to ADSL2+ connection (even with lower speed)?
3
votes
3answers
2k views

Home Network Bandwidth Control

I will mount a home network to share the ADSL internet connection. The speed is 1Mb, but I want that my PC get 75% of the bandwidth and the another PC get 25%. I know that linux boxes can do it, but ...
3
votes
1answer
180 views

Components needed for VPN

We eventually got our Mac Mini Server. We now want to set up a small Remote Access VPN using this Mac Mini Server. Firstly we are not sure of the components needed additionally to the server to setup ...
3
votes
3answers
12k views

How to open ports on router for better torrent performance

I've been using utorrent to download and upload torrents for a long time. Recently someone told me that I need to open port(s) for utorrent from my router settings for better downloading and uploading ...
3
votes
1answer
3k views

Home network with two routers and just one Wifi

I know it is a pretty lame question, but I am not a pro in networking, so I will still ask it. And I will try to explain details where possible. I want to create the following setup: Phone line is ...
3
votes
0answers
7k views

ADSL router - data rate and max rate [closed]

My ADSL2+ router gives me the following statistics: SNR Margin: 16.8 Line Attenuation: 25.0 Data Rate: 8192 kbps Max Rate: 16972 kbps I don't quite understand Data Rate and Max Rate? Is Data Rate ...
3
votes
1answer
984 views

Looking for VDSL2 modem that can work without NAT [closed]

All ADSL/VDSL providers here (The Netherlands) provide modems with integrated router. Not only that, but they put in their own firmware, so that you can do next to nothing with it. With my old ADSL ...
2
votes
5answers
3k views

ADSL Modem Randomly Rebooting

Over the past several months my ADSL modem, a Billion 7402R2, has developed a habit of randomly rebooting. This is normally preceeded by a short period (under 1 minute) of unresponsiveness. It might ...
2
votes
3answers
18k views

Why is my ADSL download speed lower than my upload speed

I seem to be getting ~400 Kbps download speed here, and ~700 Kbps upload (yes, they're both rubbish). Does this seem wrong to anyone, and what could be causing it (apart from the 'acceptable' things ...
2
votes
3answers
1k views

How to tell a router from a switch/hub?

I recently got a ADSL modem with Ethernet ports for providing Internet to more than one client, So how can i tell my ADSL modem is acting as a switch ,router or hub. The function that I have noticed ...
2
votes
3answers
4k views

3G + ADSL Combined Speed?

My PC is connected to the Internet via ADSL. I have a 3G USB dongle, so if I connect both, will the Internet speed be the sum of both the speeds? If the answer is "no": Is it possible via ...
2
votes
2answers
260 views

ADSL Modem Goes Slower Than Dialup

I have two ADSL modems, the first one does not have wireless, but is configured and working fine at around 6 - 7 mbps (ADSL) on Orcon in New Zealand. I bought a Belkin N150 wireless router to replace ...
2
votes
1answer
137 views

“Total Available Bandwidth” on modem's telnet interface?

I've been tinkering with my Thomson SpeedTouch 510, FW v. 6.2.15.7. This is the partial output of the "adsl info" menu, via the telnet interface: What does "Total Available Bandwidth" stands for? ...
2
votes
2answers
3k views

On a PPPoA ADSL Connection - What is the best MTU Size

As recently discovered, my ISP is currently using PPPoA in order to authenticate my ADSL connection. I would like to know the optimal MTU Size to use for this connection?
2
votes
1answer
750 views

Are DSL filters interchangable?

If I have a DSL filter left by AT&T, and use a different ISP now, can I still use AT&T's DSL filter, or do I need to get one from the new ISP? Do all DSL filters do basically the same thing, ...
2
votes
2answers
165 views

Continuous packets receive from Internet even when closing browsers,why is that?

I use windows XP sp3 on an HP laptop compaq nc6400 connecting to the net through adsl connection in a local network, as soon as I connect to the internet it starts to receive packets, is a virus doing ...
2
votes
2answers
795 views

My internet connection just got really slow - How can I troubleshoot it?

A few days ago my connection became really slow. I have DSL which should be 3mb down and 768k up. I'm lucky if I get 768k down and 200k up. It sucks. I called my ISP, Verizon and they did some sort of ...
2
votes
1answer
1k views

ADSL with RFC 2684 Bridging

My new ADSL line is now enabled, I can finally use my Netgear DM111Pv2 to use to the Internet. My ISP has told me a big surprise : I don't need to use a login and a password to connect to the Internet,...
2
votes
1answer
4k views

Recover ADSL password for my Linksys WAG54G2

I have a Linksys WAG54G2 ADSL router and I want to change my router. The problem is that I don't know what my ADSL password is (I'm not talking about the router's login page). I contacted my ISP about ...
2
votes
1answer
612 views

What information is included when an ADSL modem makes a connection?

When an ADSL modem has booted and makes a connection, what information is sent across the wire and what is received? Does this differ if the ADSL modem has been assigned a static IP address or a ...
2
votes
1answer
287 views

BT Home Hub doesn't make new connections occasionally

I have a "BT Home Hub v2.0", which is a pretty crap piece of hardware, as to be expected from BT. Anyway, the problem is that the connection often drops out. What has me confused is that an existing ...
2
votes
2answers
454 views

ADSL Line rate detected vs download speed

My modem detects the line rate as 8mbps, but in reality when I use speedtest.net I'm only downloading 7mbps max. Is there a way I can configure my modem to get this extra 1mbps down?
2
votes
1answer
367 views

Why is PPPoE used for DSL rather than EAPoL?

While learning for my IT Security exam I wonder why PPPoE is used for establishing DSL connections instead of EAPoL? In PPPoE, the authentication is embedded in PPP frames, which are embedded in ...
2
votes
1answer
4k views

No IP address given to router until after cloning MAC address from another computer

This problem had me occupied most of the day until I finally solved it just a little while ago. Unfortunately I still don't understand why the problem surfaced in the first place or why my final "...
2
votes
1answer
166 views

run an adsl connection(internet+local net) on 2 computers(pc and laptop) at the same time [duplicate]

Possible Duplicate: How to use broadband internet connection of one computer with another computer I'm using a hub to connect them. I get online only on one comp, while the 2nd pc can't ...
2
votes
0answers
2k views

ADSL connection drops - D-Link 2750U

So lately I've been having major issues with my ISP about my connection. My D-Link 2750U router reports the following attenuation: +------------------+------------+-----------+ | Attenuation (dB) | ...
2
votes
2answers
667 views

How to setup flexible routing between 2 LAN's at home

I have two separate internet connctions at home, one Huawei B593 4G router and one Netgear ADSL router. Normally I use the 4G connection (with the ADSL as a backup when I hit the 80GB data limit per ...
2
votes
1answer
86 views

ADSL improvement in recent years

Currently I have a 2mb/s ADSL connection. I signed up for the service more than five years ago. Has technology improved much during that time to allow for greater speed using the same wires? The ...
2
votes
1answer
729 views

Downstream rate goes suddenly from 12000 kbps to 500-0 kbps- excellent line attenuation and snr margin

As the title says the line drops for hours or days to unworkable speeds or goes downright offline. I tried to change cables and filters but nothing changed. I should mention the phone also does not ...