[j-nsp] Experience with J series

Gregory Agerba gregory.agerba at gmail.com
Sat Sep 26 07:39:02 EDT 2009

Hi Pavel,

Thanks for your input.

Based on factsheets the J series outperform BGP capabilities of the SRX
series. The only out that outperform in SRX is the 650 which looks like a
real good deal (thanks for pointing it out to me!).

Nice weekend.

- Gregory

2009/9/26 Pavel Lunin plunin at senetsy.ru

> I'd warn you guys of running peers with full BGP on J series with 1 Gig of
> RAM. It was not a problem till 9.4. But since 9.4 JUNOS for J-series is flow
> based only thus fwwd daemon preallocates plenty of memory for stateful
> sessions tracking just like ScreenOS does. Even if you switch it to packet
> context.
> I myself tried to run 2 peers with fullview on J2320 JUNOS 9.4/9.5 with 1
> Gig and bumped into BGP session dropping with LowMem event.
> Moreover keep in mind that J2320/2350 are less valuable than SRX240 in
> price/performace terms.
> --
> Regards,
> Pavel

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