[j-nsp] Experience with J series

[陈江]

if you running flow based JUNOS , you could try this knob to turn it into
packet based mode:

security {
  forwarding-options {
    family {
            mpls {
            mode packet-based;
        }
    }
  }
}
On Sat, Sep 26, 2009 at 7:09 PM, Pavel Lunin <plunin at senetsy.ru> wrote:

> 2009/9/24 Chris Kawchuk <juniperdude at gmail.com>
>
> Yep. 30 ACL's with no issues (assuming straightforward things). Full BGP
> > Tables, OSPF area 0.0.0.0 inside, QoS, IPSEC.
>
>
> 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.
>
> Here is some output from a J2350 runiing 9.6 in a lab enviroment.
>
> =================
> pash at J2350> show system processes extensive
> [...]
>  PID USERNAME    THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
>   11 root          1 171   52     0K    12K RUN    1069.4 95.80% idle
>  778 root          1  96    0   482M   482M select  71.0H  0.98% fwdd
> [...]
> =================
>
> 482MB ! 9.5R1 eats even a bit more (some 60 megs plus).
>
> 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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>



-- 
BR!



          James Chen