[c-nsp] ASIC to switch port mapping

Benny Amorsen benny+usenet at amorsen.dk
Mon Sep 13 16:33:00 EDT 2010


Nick Hilliard <nick at foobar.org> writes:

> From what I remember, the EX4200 has rather small buffers - not terribly
> different in size to the 3560/3750 range. This is from memory, so I could
> be mistaken.  Juniper are rather coy on the topic, which is always a sign
> of relative paucity.  If the box had buffer capacity which was worth
> mentioning, they'd mention it in the marketing blurb.

3MB per PFE, according to:

http://www.juniper.net/us/en/local/pdf/implementation-guides/8010073-en.pdf

See table 2.

I'm not sure how much buffer the 3560 actually has, just that it isn't
enough.


/Benny


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