Running out of mbufs

Hello all,
Recently I was making a lab with an M71 and a J4300 router.
The M7i is
divided to 13 logical routers and is running JUNOS 7.4R2.6.
Every night (or every 15-20 hours) it goes down and it
becomes
unresponsive, even through the serial console. After
restarting, in the
/var/log/messages there is a message /kern: out of mbufs.
I've read the mailing list about this problem, and fixed
the
/boot/loader.conf with kern.maxusers="256"
kern.ipc.nmbclusters="64000"
But the only result I've got ,was increasing the time
between crashes
to 24-30 hours.
As I was looking at "show system buffers" there
were only increasing
number, and I think there is a memory leak somewhere in the
JUNOS.
I cannot attach the config because it is more than 40kBytes.
If interested, a can send it personally.
Does anyone have ideas about this problem?

BR
Mircho
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On Fri, 16 Jun 2006, Mircho Mirchev wrote:

Hi!

> Every night (or every 15-20 hours) it goes down and it
becomes
> unresponsive, even through the serial console. After
restarting, in the
> /var/log/messages there is a message /kern: out of
mbufs.

[cut]

> Does anyone have ideas about this problem?

We had this problem on our M7i (it crashed once a few months
ago). As 
far as I know, there isn't still any solution. Juniper
knows about 
this problem and even assigned a separate PR number, but
nothing else 
has been done.

best regards
Rafal
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> Does anyone have ideas about this problem?

It sounds like PR 67593. We reported it back in Nov/Dec 2005
with the
exact description of how to reproduce the bug, and were
presented with a
solution a few weeks ago (mind the delay):

KERNEL 7.4R3.4 #0 built by builder on 2006-05-20 00:13:34
UTC

BTW: Did you turn on IPv6?
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On Fri, 16 Jun 2006, Grzegorz Banasiak wrote:

>> Does anyone have ideas about this problem?
>
> It sounds like PR 67593. We reported it back in Nov/Dec
2005 with the
> exact description of how to reproduce the bug, and were
presented with a
> solution a few weeks ago (mind the delay):
>
> KERNEL 7.4R3.4 #0 built by builder on 2006-05-20
00:13:34 UTC

Well, JTAC recognized my case (with the same appearance!) as
PR 69272 
or PR 45855, which still is open...


regards
Rafal
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