Draytek Vigor 2820n Setup with Jazztel and Annex M

After successfully configuring my Draytek to talk to Jazztel I thought I’d try the Annex M option they offer which improves the uplink bandwidth relative to the downlink speed.

This seems to have worked quite well as can be seen below. Here are the different synchronisation speeds.

Without Annex M:
Down: 14149 kbs, Up: 1235 kb

With Annex M:
Down: 1346 kbs, Up: 2034 kbs

That’s quite a difference especially if the upload speeds are important.

I’ve already been told that my video over Skype is better and also noticed less problems with VoIP although the increase from 320 kbs I had with Telefónica is sufficient to avoid many of the dropouts I had experienced earlier.

Here is the Jazztel configuration I’m using:

Jazztel Configuration with Annex M

Hopefully if you are considering using this router this information may be helpful to you.

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