[j-nsp] 802.3ad LAG between ASR 1002-X and Juniper MX204

[Gert Doering]

Hi,

On Fri, Jul 19, 2019 at 07:56:47PM +0000, Eric Van Tol wrote:
> On 7/19/19, 3:40 PM, "Gert Doering" <gert at greenie.muc.de> wrote:
>     That sounds a bit weird... why should the device care how the other
>     end balances its packets?  Never heard anyone state this, and I can't
>     come up with a reason why.
>     
>  *sigh* 
> 
> I'd been focusing way too much on the config portion of the documentation that I completely skimmed over the very first paragraph:
> 
> "MX Series routers with Aggregated Ethernet PICs support symmetrical
> load balancing on an 802.3ad LAG. This feature is significant when
> two MX Series routers are connected transparently through deep
> packet inspection (DPI) devices over an LAG bundle.

Yes, *that* makes total sense :-)  (I was thinking about "is it something
with stateful inspection?" but since this - inside MX or Cisco - usually
operates "on the ae/port-channel level" and not the individual member,
it didn't make sense either)

gert
-- 
"If was one thing all people took for granted, was conviction that if you 
 feed honest figures into a computer, honest figures come out. Never doubted 
 it myself till I met a computer with a sense of humor."
                             Robert A. Heinlein, The Moon is a Harsh Mistress

Gert Doering - Munich, Germany                             gert at greenie.muc.de
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