Questions tagged [adsl]

Asynchronous Digital Subscriber Line is a layer 1 networking protocol, typically used for last mile Internet access. It utilises standard telephone cabling and coexists with analogue telephones. An ADSL modem at the customer premises communicates with the DSLAM at the local exchange. ATM is usually used as the layer 2 protocol, with PPPoE or PPPoA used for authentication.

103 questions
9
votes
7 answers

Can Linux function as its own ADSL modem?

I'm not sure specifically the differences between a normal Dial-up modem and an ADSL one. Here is my problem: I recently found an old box in the basement, which I installed Ubuntu (linux) on. I have both a NIC, and an old dial-up modem on it. My…
Ben
5
votes
1 answer

Juniper SSG20 - Bridge ADSL to ethernet interface

We're trying to reuse some leftover equipment we've got. I've got a Juniper SSG20 with 2x ADSL2/2+ mini-PIMs and we've already got a firewall solution (Which will act as the PPPoE Client) but what we need is the ADSL functionality. Is it possible to…
MarksyF
  • 51
  • 2
5
votes
3 answers

Two ADSL modems on one LAN

At the moment we have two buildings each with their own LAN's and each with their own internet connection through an ADSL modem, using their own seperate telephone line. Next week we are going to connect up ther buildings using a laser link. The…
Alex
  • 279
  • 6
  • 16
4
votes
5 answers

Piggyback network router

I have a pretty standard 4 port ASDL router. I am running out of ports so wondering if I can piggback the spare 4 port router I have or if I need to purchase a new 8/16 port router. If it can be done, how is it done (I am sure it is simple, but so…
Craig
  • 175
  • 2
  • 9
3
votes
6 answers

Tutorial: from registered domain to running mail server on ADSL connection?

Does anyone know of a tutorial that takes me from having registered a domain name (with eNom through Google) to a running IMAP mail server (preferably based on Ubuntu) connected to the internet via a ADSL connection? I am looking for something quite…
mac
  • 133
  • 1
  • 5
3
votes
1 answer

EFM vs Bonded ADSL

We used good old SDSL and load balanced ADSL in the past, and when the recession came and our office shrank considerably we switched to domestic ADSL Max line (from Be Broadband, which was very good) to cut costs. We are now growing at a pace again…
MagicalArmchair
  • 265
  • 3
  • 10
3
votes
3 answers

VLANs using one managed switch or link router to unmanaged switches?

I'm the resident IT guy in an office with about 20 workers, amongst 3 separate companies who sublet an office. We are wired with 24 ethernet ports dotted around the offices that all lead to a patch panel in my office. They are connected to 4…
Ash
  • 169
  • 1
  • 5
3
votes
4 answers

Leased Line, ISDN, Bonded ADSL or bunch of ADSL lines for internet connection?

We're looking at moving our office shortly and we'll need to get our own internet connection (we currently have a 7Mbps LAN connection in our current building). We're based in the UK (centre of London) and we'll need at least a 5Mbps connection. We…
Richy B.
  • 213
  • 1
  • 6
3
votes
1 answer

Running both ADSL2+ modem and LAN connection over a single Ethernet line?

We have two office locations, A and B. We have two ADSL2+ lines at both A and B, as well as a switch at both sites. At site A, the ADSL2+ line is plugged into a system running pfSense 2.x, that's currently acting as a router/firewall for the…
victorhooi
  • 515
  • 3
  • 11
  • 20
3
votes
1 answer

Configure Cisco 877 as bridge between Internet and Cisco ASA 5505

ISP ADSL ---- Cisco 877 Router ---- Cisco ASA 5505 I have the above connection. I'd like to avoid using NAT on the Cisco 837 router, and just put the ASA directly on the Internet. However, I have to use the 837 to connect to the ISP - the ASA…
dunxd
  • 9,482
  • 21
  • 80
  • 117
3
votes
1 answer

Is wiring ADSL and Phone lines to a patch panel ok?

Is it OK to wire an POTS line + ADSL line directly into a patch panel? I guess I'm wondering as well why do regular phone jacks have some passive electronic parts inside them. Since wiring it straight onto a patch panel would not have those…
hookenz
  • 14,132
  • 22
  • 86
  • 142
3
votes
2 answers

MTU, DSL router and stalling TCP

I am discovering stalling TCP connection problem. The problem arises when I try to scp stuff from remote system from my home network. My home network is connected to internet via PPPoE (ADSL+) and everything works perfectly once working from my home…
bogumbiker
  • 87
  • 1
  • 5
2
votes
5 answers

Link aggregation with DSL and Ethernet, and different ISP's?

We're a webdev company that has outgrown its ADSL bandwidth. It's currently 4/1 Mbit/s and due to distance we can't simply get faster DSL, whether ADSL or SDSL. Stacking multiple DSL connections is prohibitively expensive, and so is laying fiber due…
Martijn Heemels
  • 7,438
  • 6
  • 39
  • 62
2
votes
1 answer

Multiple PPPoE connections through a LAN switch

The question is simple. I have multiple DSL connections. Suppose that I have a server with a single network card. Would be any problems to use a LAN switch to connect DSL modems to the server? How does server associate ISP user/passwords with the…
2
votes
3 answers

How can I diagnose and prove network micro-cuts?

I am unable to keep several types of long running connections open from my office LAN (ADSL) and I need to convince the service provider that there is a real problem. Standard pings and traceroutes do not indicate any issues, I need something more…
GGGforce
  • 669
  • 2
  • 7
  • 10
1
2 3 4 5 6 7