On 29/01/2014 11:46, Chris Bagnall wrote:
I looked at this about a year ago when we started getting clients with
FTTC connections here in the UK (which are basically VDSL), and at the
time it looked like RFC4638 support (baby jumbos) wasn't supported in
pfSense.
I'm in the UK too. The line I'm discussing is ADSL on Plusnet. (*)
I've just done a quick search for 'pfSense RFC4638' and found this
thread from May last year:
https://forum.pfsense.org/index.php?topic=61876.0
That's useful, thanks.
Doing a tcpdump on the WAN interface, after the initial PADI exchange
(which doesn't include a PPP-Max-Payload tag) I see that at the LCP
stage, pfsense is offering MRU=1492, whilst the BRAS side is offering
MRU=32725
Regards,
Brian.
(*) At home I have FTTC on Plusnet, and that definitely works with
MTU=1500. However I'm using their provided router, which does PPPoE to
the BT VDSL modem. I'd like to be able to change to pfsense at some point.
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