[c-nsp] Whats happens when TCAM is full on 7600/RSP720RSP-3CXL?
Gert Doering
gert at greenie.muc.de
Fri Sep 18 07:06:58 EDT 2020
Hi,
On Fri, Sep 18, 2020 at 12:44:55PM +0200, ??ukasz Bromirski wrote:
> For traffic going to prefixes that failed to be installed in HW,
> resulting performance will be similar to what you can get on those
> pretty small, non-x86 CPUs.
Much worse, actually, as the control-plane limiters hit hard - so you
do not get "full software-switched performance, with 100% CPU load"
but "CPU load is mostly normal, everything looks normal, some targets
have 80% packet loss".
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany gert at greenie.muc.de
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