Re: Cake: how know 'framing compensation'?

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On 9/3/21 7:57 AM, Marco Gaiarin wrote:
> I'm thinking about give Cake a try:

I'll have to check that out.  Hopefully I'll be able to understand some=20
of it and learn something.

> 	https://www.bufferbloat.net/projects/codel/wiki/Cake/

The article definitely has my attention talking about the different=20
frame types.

> How can i determine my 'framing compensation'? I'm using now an=20
> wireless link, terminating the PPPoE link directly on my linux router, =

> via PPPD/PPPOE.
>=20
> So, i'm surely using PPPoE, but pppoe-vcmux or pppoe-llcsnap? How=20
> determine it?

I'd think that it should be easy to figure out with tcpdump / Wireshark.

I think that all of the PPPoE incarnations that I've experienced have=20
been "Over Ethernet" and I'm taking that to be RFC 1483 Bridging.  As=20
such, I'd go out on a limb and try pppoe-llcsnap /first/ and then fall=20
back to pppoe-vcmux if the former didn't work.

I say this because vcmux seems to hint at an (ATM) virtual circuit which =

is a lower level than RFC 1483 Bridging.

At least that's my two cents worth.



--=20
Grant. . . .
unix || die


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