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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3answers
265 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
2k views
Exchange 2007 Email Error 451 4.7.0 Timeout waiting for client input
Our SBS 2008 server with Exchange 2007 started rejecting some (most) emails starting about 3 or 4 days ago. The return failure message looks something like this:
The error that the other server ...
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2answers
277 views
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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1answer
162 views
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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1answer
424 views
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 ...
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1answer
198 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 ...
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0answers
165 views
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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0answers
213 views
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 ...
