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 ...

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264 views

Why does a power trip “disable” internet connectivity?

At home, we've set up a server with Windows Server 2008 R2. This server provides DNS, DHCP and a number of other services for the network. We have a Cisco Router (not sure about model) that manages ...
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2answers
131 views

Using a normal router with SDSL

Possibly stupid question: can I use a regular router (in facts its a Netgear Firewall) with an SDSL connection? This of course works fine with an ADSL connection. I know its all xDSL but is the tech. ...
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1answer
274 views

Connections fail routinely from the internet to a ADSL router doing NAT

I have a Comtrend ADSL router that routinely fails to sustain connections via NAT (I try HTTP and SSH) to a machine in its internal network. I can connect for, say, half an hour and then the ...
2
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2answers
159 views

Can I put wireless activity on a separate network on the one router?

We have a foreign delegation coming in next week. Some of them will be IT-savvy. We don't want them wandering through our network. We have a wired network and a wireless network both going through the ...
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2answers
158 views

Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted?

Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted? Do ISPs change the WAN IP of an ADSL connection while in session (ie. prior to reboot) ?
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2answers
166 views

Process of carrying out a BER Test

I am subscribed to an ISP supplying a 3meg ADSL line. Lately (for the last 4 weeks) speeds have dropped from the usual average downstream speed of ~250kbps to just 0.14Mbps (according to ...
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5answers
1k views

Is there a sensible way of 'teaming' two ADSL connections?

I work in an office complex that has two seperate ADSL connections, which they use to provide two seperate networks (actually both the ADSL routers go into a Cisco managed switch with two VLANs, one ...
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2answers
110 views

Components needed for a VPN

first of all, I asked this question on SuperUser.com, but no one there could help me. Well, we eventually got our Mac Mini Server. We now want to set up a small Remote Access VPN using this Mac Mini ...
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1answer
830 views

Configuring NAT and static IP on Cisco 877W

I'm having trouble setting up a static IP reservation on a network. What I want to do is assign IP 192.168.1.105 to MAC address 00:21:5d:2f:58:04 and then port forward 35394 to it. If it helps, ...
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2answers
410 views

Poor upload/download speed on 2 x ADSL lines into a Cisco 2621XM

Sorry never been on this site before so I apologise if not the right section or even forum. I have users complaining of very slow internetn connectivity on site and have checked with our ISP who have ...
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2answers
699 views

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 ...
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1answer
2k views

DHCP lease time in DrayTek Vigor 2600 Plus

I'm having some problems with my ADSL router DrayTek Vigor 2600 Plus. After a few days and some people connecting to it, it stops assigning IP addresses to new people that tries to connect. I was ...
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4answers
455 views

ADSL to T1, Is it worth it for us?

The company I work for has roughly 45-55 simultaneous users (local and remote/VPN) logged in at a given time. We currently subscribe to an ADSL connection but we have been experiencing slower ...
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1answer
524 views

VPN & Separate Internet Connection Bonding

I'm currently working with a large charity which has about 50 offices, each are interconnected with a dedicated VPN, which they use to access their secure database system, internal websites along with ...
2
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2answers
185 views

Use 1 Linux box with 2 NICs to dial-up to 2 separate ADSL dial-up accounts?

I'm planning to build a Linux box with 2 virtual instances of Windows 2003 server (VPS#1 & VPS#2). I want each Win2003 instance to access its own ADSL dialup account and have its own public IP and ...
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1answer
220 views

ADSL card for Cisco Router 1800 series [closed]

I need an internal ADSL card for Cisco Router 1800 series, Is there anyone who will help me ?
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1answer
2k views

ADSL and routing (bridging) problem with DLINK 320B and Fortinet Fortigate 60

Internet <---> 320B (ADSL modem) <---> Fortigate 60 (firewall) <---> lan The ADSL line is with static IP, with username and password and with pppoa. The web interface of the DSL 320B allows ...
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2answers
2k views

How to configure 2 LAN Cards

How do we configure two (2) LAN cards on one computer. One LAN card is connected to the internet via the DSL through a router, configured as DHCP. The other LAN card is to be connected via our ...
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3answers
5k views

Trouble setting up a DD-WRT router with a DSL gateway

Our office is fairly small. We previously had a 2wire gateway that came when we ordered our DSL connection. I recently decided to upgrade to a router that could support DD-WRT since the 2wire was very ...
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4answers
1k views

Advice needed: ADSL and VPN for a small company

I need advice on purchasing an ADSL modem/router for a small company. At the moment, we are using the iBurst Wireless service for internet connectivity. I have the iBurst desktop modem, which ...
2
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5answers
2k views

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 ...
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2answers
553 views

Disable routing between ports in ADSL router

Does anyone know an ADSL router that allows to disable routing between switch ports? For example: - part of network connected to port 1 on router can access the Internet but cannot see the part of ...
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1answer
2k views

Linksys WRT160NL & ADSL modem/router - WAN port

I have a router/modem at ip 192.168.1.254. I also have a linksys router connected to the modem through the LAN port. So right now I have this: 192.168.1.254 <----> 192.168.1.1 <----> PCs ...
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1answer
129 views

Finding the bottleneck on a connection

I'm currently having issue on a ADSL connection regarding performance. During the evenings, around 18h00, up until at least 01h00 the connection speed drops down from the +- 600 kb/s (6ish mbit) to a ...
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3answers
95 views

Is something happening with the ISP market in UK?

We're being forced to look at rather expensive leased lines due to our distance from the exchange. Even on the new ADSL2+, we can't get much more than 3MBit/s but more importantly, we need to improve ...
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6answers
2k views

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 ...
1
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5answers
924 views

Looking for a straightforward linux router setup

I'm looking to replace a default DSL router/modem with a "dummy modem" + "linux-based router" combo. I'm getting rid of the ZOOM ADSL modem because of its lack of capabilities. For instance, I can't ...
3
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4answers
1k views

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 ...
1
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1answer
1k views

Port mirroring/monitoring the DSL/ATM interface on a Cisco 877/877W?

Is it possible to mirror/monitor the DSL interface (atm/dialer interfaces) to one of the fastethernet ports on this device? Running software: Cisco IOS Software, C870 Software ...
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7answers
894 views

ADSL with static IP address?

I would like to know which ISPs offer DSL/ADSL service with static ip address? It doesn't matter if it is for home or business users, if you know some just name it. Thanks in advance
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1answer
1k views

Asus AM602 Modem (cant change setting)

Hi I have a DSL modem (Asus AM602 ) but when I want to connect my modem (192.168.1.1) it said : internet explorer could not open the search page I 99% sure that my modem ip was 192.168.1.1. any one ...
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6answers
3k views

Alias IP addresses - which subnet mask to use?

I confess - I'm a tad lost. Our ISP has provided us with several additional IP addresses for our ADSL2 account. The email they sent specified ip addresses with subnet 255.255.255.240: ...
3
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7answers
5k views

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 ...
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1answer
2k views

How do I configure a Cisco PIX 501 and AT&T DSL w/5 Static IP Addresses + PPPoE?

I'm considering upgrading to a business plan for my home office with 5 static IP addresses. Currently I have the base, 1.5 Mbps down DSL package (makes me cry). I have my PIX 501 setup with PPPoE ...
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4answers
230 views

Linux gateway forwarding issue

how do I enable packet forwarding for an ethernet dsl modem? Must this be done with iptables?
4
votes
5answers
1k views

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, ...