FRTS Fragmentation on a subinterface?

From: Eric Poulin (epoulins@yahoo.com)
Date: Thu Jun 21 2007 - 00:37:55 ART


Hi GS,

I have a frame-relay link with two point-to-point subinterfaces, s0/0.501 and s0/0.502,
and I need to reduce serialization delay for any packets to 10ms on s0/0.501. I know I
can accomplish this by using FRTS and making sure the interval is 10ms and also enabling
fragmentation to whatever byte size is 10ms, but should I enable it on both
subinterfaces?

From what I understand, there's a single Tx Ring per interface, considering this, if
s0/0.502's interval is left to default (125ms) and is transmitting a 1500 byte packet,
s0/0.501 would have to wait for that packet to exit the Tx Ring before being able to
transmit anything? In this case, s0/0.501 would not meet the requirements of 10ms delay?
Is my theory right?

Your feedback is greatly appreciated,

Thanks,
Eric

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