[cisco-bba] PPPoE with greater than 1492 MTU
isplist at adam.com.au
Wed Mar 30 23:36:48 EST 2005
Is anyone aware of a broadband aggregation product that supports
non-standard PPPoE with a full 1500 byte payload as opposed to the
artificial limit of 1492?
I'm aware that this will create Ethernet frames larger than 1518 bytes,
which is not an issue as the aggregation network supports jumbo frames.
I spoke with a Cisco engineer last year who believed that such a feature
was forthcoming, although he has now left the company and everyone else
I've spoken to is quick to recommend 'tcp adjust-mss' as a workaround
which doesn't appeal to me.
There's also an IETF draft on the subject:
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