[c-nsp] MTU Question on T1

Gert Doering gert at greenie.muc.de
Mon Jan 24 13:28:00 EST 2005


Hi,

On Mon, Jan 24, 2005 at 10:01:45AM -0800, Richard J. Sears wrote:
> On the dual T1 issue - correct me if I am wrong please but with ppp
> multilink interleaving turned on, won't it take that single 40000 byte
> packet and shove it down one T1 because it came in as a single packet..?

There is no single 40k packet at the router.  The sending host is
fragmenting the packet to 1500 byte IP fragments, because a 40k packet
cannot be sent over Ethernet.

*If* there were a 40k packet, PPP might fragment it and distribute it
over the multilink members, but that is a local configuration issue.

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
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