2011-01-01

BT FTTC PPPoE 1500 MTU FB2700 FTW

Yes!

We finally have confirmation that the FireBrick FB2700 works with BT FTTC lines and can provide full 1500 byte MTU IPv4 and IPv6 native using PPPoE to the BT VDSL modem.

Well done team.
(yes, that is 3 of us working on this on new year's day at 10pm, we are totally mad)

We'll release new code tomorrow which makes this all automatic when an FTTC or FTTP line is detected, so making the config really simple.

[yes, going for most relevant acronyms in a blog post title of 2011 award]

4 comments:

  1. Have you tried the same over 21cn? I'd sort of expect it to work (since if FTTC supports 1500 MTU then the exchange does as the connection passes through it) but you never know with BT.

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  2. That does work, but then you are dependent on the bridge. For example, it seems the zyxel will go as far as 1496 byte payload (1504 ethernet). Sadly it will pass through negotiation of 1500 and then not work, so I can't make 1500 the default. Shame.

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  3. You should have put FTW on the end as well :)

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  4. Hmm.. I wonder if the FTTC modem will degrade to ADSL. I still have my old one and mean to try it but never seem to get around to it..

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