In full disclosure we hit a limit on 10.0.R2.10 with the number of AE links we
could provision- 10. Additionally we saw the memory link error that is
(apparently now) characteristic of running that code- we are now at 10.0.S1.1
(as advised by JTAC) and have 12 AE links working just fine. At this point we
use interface-ranges so heavily that it would be a PITA to take the time to
reconfigure everything without the ranges (and then reconfigure with them when
we decide to go back to the 10.x train).
I'm not sure where (version) the memory leak is introduced in JUNOS but it's
between the marvel chipset in the PFE and the RE. I think it was also limiting
some of our VLAN creation.
Dan
-Original Message-
From: Ross Vandegrift [mailto:r...@kallisti.us]
Sent: Friday, February 12, 2010 8:45 PM
To: Dan Farrell
Cc: juniper-nsp@puck.nether.net
Subject: Re: [j-nsp] maxium number of rvi's on ex series?
On Fri, Feb 12, 2010 at 07:51:53AM -0800, Dan Farrell wrote:
> Are there any hard limits that anyone knows of? We use the 3200's and
> 4200's, and on the 4200's we're literally putting on hundreds of rvi's
> (eventually a couple thousand).
I've been told that the only limitation is the FIB size, or every VLAN (since
the EX doesn't support multiple bridge domains).
In practice, if you're doing that, it implies you might have a large
L2 config. We have hit a number of bugs related to the CPU time it takes to
commit a large L2 config. Turns out that can spin enough to interfere with
periodic packet processing.
So - it should absolutely work. You definitely want to be running
9.6R3 as it has a fix for a potentially serious scheduling bugs related to
large layer 2 configs. It's been decided that this fix will NOT be backported
to 9.3.
Ross
--
Ross Vandegrift
r...@kallisti.us
"If the fight gets hot, the songs get hotter. If the going gets tough, the
songs get tougher."
--Woody Guthrie
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