Super User
Super User

Questions tagged [vdsl]

40 questions
43
votes
5 answers

How does my ISP (introducing vectoring) know which DSL modem I am using?

My VDSL2-ISP is introducing vectoring at the moment. They are putting all modems that have not been sold through that ISP (the modem producer is called Sagem, a French company) on a fallback profile (which means my upper speed limit decreases from…
Bobby Bonilla
  • 431
  • 4
  • 3
7
votes
2 answers

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 ADSL2 line? Is VDSL modem compatible with an…
Jari Keinänen
  • 406
5
votes
3 answers

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 question is: Will any standard ADSL2+ modem be able to…
Jasarien
  • 1,270
4
votes
2 answers

VDSL service from BSNL India - modem & wireless router

I'm just now ordering VDSL internet service from BSNL India, and they are not giving me much help on modems / wireless routers. They don't seem to offer any equipment for rent or sale with this service, so it looks like it's up to me. I'm digging…
jeremy
  • 41
3
votes
1 answer

What is Dynamic Line Managment

I have a Chorus (NZ Line tech) guy coming out on Friday, as I've signed up to VDSL. What I want to know is what is DLM exactly, why is it there, and what does it do?
td512
  • 5,170
2
votes
0 answers

VDSL link negotiation debugging

I have a VDSL (G.993) connection to my home. I have brought and previously successfully used this SFP VDSL modem on my Turris Omnia (an OpenWRT Linux based router): https://www.versatek.com/product/vx-160ce-vdsl2-sfp-modem-remote-telco-grade/ This…
moo
  • 353
2
votes
2 answers

Zyxel C3000Z VDSL modem: extra shell password?

I have a Zyxel C3000A ADSL/VDSL modem (CenturyLink branding). I have searched, and it seems it is not possible to purchase this device without CenturyLink branding and firmware. The device has the most recent firmware installed as I write this…
Bill_Stewart
  • 1,502
  • 1
  • 9
  • 14
2
votes
2 answers

Internet speed lower than Speedtest.net results during actual download

I am subscribed to VDSL2 with 10 Mbps Download and 1 Mbps Upload. My sync speeds on Modem's page is 11264 kbps down, 1119 kbps. On speedtest.net, I always get same result all the time at any given day; 10.54 Mbps download, 0.92Mbps Upload which is…
John Hark
  • 43
1
vote
0 answers

M0n0wall IPsec tunnel fails after switch to PPPoE

I have had a M0n0wall site-to-site IPsec VPN working for several months on a static IP via an ADSL router. We've just switched to a fibre (FTTC) connection, and M0n0wall has now been configured to connect to the ISP using PPPoE via a VDSL modem.…
David Carboni
  • 111
1
vote
1 answer

Does the BT Home Hub 2.0 contain an integrated vDSL modem?

I'm switching broadband providers to take advantage of the new-to-my-area BT Infinity. My current network setup consists of a Netgear ADSL modem and an Apple Time Capsule router. This replaces the Sky Broadband network hardware provided by Sky,…
Jasarien
  • 1,270
1
vote
1 answer

Is a FRITZ!Box 7530 router (compatible with OpenWRT) will work for VoIP?

My VoIP wallsocket is very similar to this one: I use a AVM FRITZ!Box 7490 router, with proprietary software which is near to EOL, but it works perfect with this cable: This cable is a Y cable, one plug goes to phone, the other to internet (I…
elbarna
  • 466
1
vote
1 answer

Can I use an old ADSL inline filter/splitter for a VDSL connection?

I have an old ADSL inline filter/splitter that plugged into my phone line which I used to use on my old internet setup: I no longer need it, but someone else I know may need it for their Australian NBN Fibre To The Node connection (this uses…
pigeonburger
  • 2,508
1
vote
0 answers

Interleaving, and its effect on VDSL2 latency

(Re-posting from Network Engineering SE, turns out this was actually off-topic there.) Having moved to a new house I hired with an ISP a broadband internet plan. The technician told me I live really close (< 40m) from the street cabinet, and also…
Marc.2377
  • 1,677
1
vote
2 answers

do FEC and CRC Errors correlate to inconsistent ping?

I am subscribed to VDSL2 plan with 10/1 Mbps (down/up). My line stats seems to be decent, but I noticed some reported CRC and FEC errors as shown: On the other hand, in online games I notice some slight variation in ping times even though I am the…
tuki
  • 15
1
vote
0 answers

When to consider the noise safety coefficient as bad or good?

I moved to new house and I have VDSL service exactly like the one I have before but I'm having issues with speed dropping, sometimes I get full speed which is 20 Mbps and sometimes I get 2 Mbps, so I looked into the connection details in the router…
Zizoo
  • 123
  • 1
  • 5
1
2 3