[j-nsp] LACP/LAG

Keith kwoody at citywest.ca
Thu Oct 17 17:15:54 EDT 2013


Resending with edits...doh.


On 10/17/2013 2:00 PM, Keith wrote:
> Hi.
>
> Any reason not to run LACP on a LAG link?
>
> Setting up a new LAG with some gear on our MX and have setup the AE
> interface and turned it up, but have not actually cut traffic over to it yet.
>
> The vendor of the gear the MX is connecting to says to run in passive or no LACP.
>
> On cisco one does: channel-group <x> mode on/active/passive and I
> did have trouble getting both sides to come up properly on the cisco, one
> side would always come up suspended until I set the ports to just on.
>
> I have done the same on the MX side, except I did not use aggregated-ether-options lacp
> and just left that statement out.
>
> Both sides came up on the MX and it looks ok. Am I going to get bitten in the ass
> at some point for not running LACP?
>
> Docs I see always configure LACP for LAGs, and mention not running it but never really
> why you would.
>
> Thanks,
> Keith
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