[j-nsp] syslog rsmon jtree problem

[Stefan Fouant]

On Wed, Mar 4, 2009 at 11:15 AM, Juniper Iber-x <juniper at iber-x.com> wrote:
> Hello,
>
> We have a Juniper M-20 where the syslog is showing:
>
> [Mar  4 14:39:47.063 LOG: Warning] RSMON: Resource Category:jtree
> Instance:jtree0 Type:free-pages Available:78 is less than LWM limit:406,
> rsmon_syslog_limit()
> [Mar  4 14:39:47.063 LOG: Warning] RSMON: Resource Category:jtree
> Instance:jtree0 Type:free-dwords Available:13999 is less than LWM
> limit:52428, rsmon_syslog_limit()
>
> On the rsmon summary on the main SSB we see same behavior:
> SSB0(vty)# show rsmon
> category    instance        type    total  lwm_limit hwm_limit     free
> -------- ----------- ------------ -------- --------- --------- --------
>   jtree      jtree0   free-pages     8128       406      1219       78
>   jtree      jtree0  free-dwords  1048576     52428    157286    13999
>
>
> At first moment we thought in a malfuntion memory on SSB. We run the
> memory test described in Juniperclue,
> http://juniper.cluepon.net/index.php/Unofficial_hardware_upgrades, but
> the problem didn't get resolved.
>
> We changed the memories and the same isssue persisted.
>
> Recently, we installed a second SSB with the same features than the
> first one (same memory amount -> 128M). We did configure SSB redundancy
> and switching ssb0 to the ssb1 running the fail-switching commmand. At
> this moment the error got solved, but in a few minutes it came back
> again. Because of this, we are thinking that the error is not caused by
> the SSBs on the M-20.
>
> We have 822685 routes (274903 active, 2 holddown, 794 hidden) on the RT
> inet.0
> and the FT next:
> Routing table: inet
> Internet:
>         user:         274884 routes
>         perm:          4 routes
>         intf:         22 routes
>         dest:         59 routes
>
> Logical router:
> Routing table: inet
> Internet:
>         user:         274876 routes
>         perm:          4 routes
>         intf:          6 routes
>         dest:          8 routes

Could it be that it's not a memory error per se, but rather you just
need more memory.  The error message you are getting seems to indicate
that you are running out of SSRAM on your SSB for storage of the
forwarding-table (jtree).

-- 
Stefan Fouant

Windows XP crashed.
I am the Blue Screen of Death.
No one hears your screams.