On Fri, Jan 29, 2016 at 09:11:38PM +0200, Saku Ytti wrote:
> Hey,
>
>
> > Isn’t there a requirement that packets with IP options needs to be punted
> > to the CPU for processing (process switched) (on every hop)
> > Although I'd be interested to know if it's the LC CPU or RE CPU handling
> > these then.
>
> Well not hard requirement, but no one in market needs IP options at
> performance, so they're done in software in all platforms that I know
> of. This isn't the debate, the debate is if or not they should hit lo0
> filter.
Some platforms, eg: ASR9K process these on the LC. I know this as we
had LCs crash from a research team using these options. It only impacted one
LC type and only a specific version of software.
- Jared
--
Jared Mauch | pgp key available via finger from ja...@puck.nether.net
clue++; | http://puck.nether.net/~jared/ My statements are only mine.
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