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.
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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 ...
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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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Bind WAN to TD-W8960N
I have a TD-W8960N DSL modem. It is possible to have multiple WAN services on the device as in
Both of them are doing great as in Diagnostic
How is it possible to bind two different computer to each ...
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Corrupted files when downloading with HTTP
With my UMTS connection most archives > 50 MB are corrupted when downloading them via HTTP. If I switch to HTTPS the problem is gone. The problem should not reside in my network, because I have an ...
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Connect ADSL modem SMC7904WBRA-N to CISCO RV082
I have a SMC7904WBRA-N ADSL modem/router that connects to the internet with a static IP given by the provider.
I've received a RV082 to create a VPN connection which is having problems to connect to ...
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ADSL throughput loss from Reed-Solomon encoding
I'm reading about ADSL starting here and I am confused by how the Reed-Solomon encoding for ECC is limiting the available transfer rate, as much as it does (nearly half). This pdf on the same subject ...
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Cisco 678 Will Not Work using PPPoE
I am attempting to configure a Cisco 678 because I am totally sick on my Actiontec. However, I am running into some problems. It seems as though the Cisco is able to train the line, but I am unable to ...
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Need to split a high speed ADSL line for several departments
I'll try to keep it simple!
We have a new and very fast ADSL line coming in to our office which needs to be split between 4 different departments.
Each department will have a certain bandwidth ...
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DSL modem in bridge mode but router not accessible from the internet
I have a DLink ADSL modem which I have put into bridge mode and connected to a Fortigate 200A firewall. The Fortigate is able to connect through PPPoE and receives the static public IP. I can browse ...
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Connecting a switch to a VDSL2 model causes upload speeds to go to 0
My network configuration has my main router connected to a secondary router which is in bridge mode, and I have a computer connected via ethernet to that secondary router.
If the connection between ...
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Cisco 877 configuration with multiple firewalls behind in parallel using public IP's
I would like to ask how I can configure my cisco 877 adsl router to have multiple firewalls installed in parallel behind the cisco 877 router. I have enclosed a diagram of what I am trying to achieve. ...
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wic card not recognised - cisco 2821
I've installed a new ADSL2+ supporting HWIC1 card in a cisco 2821 router but its not being recognised. Any ideas why it might not be seeing it?
%GT96K_FEWAN-1-UNKNOWN_WIC: NM slot 0, wic card has an ...
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Limited bandwidth using wireless modem
I would like to set up a couple of wireless modems in a mall but limit the access to wireless by 10MB per user.
Is there any good software I can use to manage this?
Many thanks!
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Strange 2Mbps limit for single tcp connection on 24Mbps ADSL2+
I've D-Link DSL-2500U/BRU/D, ADSL mode is "ADSL2+ AnnexM EU-56", configured as bridge and connected to linux (Gentoo) workstation. Line is good enough, I've stable speed 2.09MiB/sec (i.e. about 18-...
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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 ...
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