Sorry, my answer take a while… but I would test before write.

Effectively, the problem became from switch configuration.
Our switch are a stack of Avaya ERS4870 and I have difficulties to understand 
the interface. I had configure all ports concerned by my configuration like 
that for all ports:
In the « VLAN » Configuration:
  - VLAN tagging: « tagAll(trunk) »
  - « PrivateVlanPortType »: « trunk »
  - « DefaultVlanID » : to a LAN not distribued. I don’t understand why they 
ask for that even I choose « tagAll » (!!!)
For the « LACP » one:
  - activate « AdmiEnabled »
  - « ActorAdminState » structure: activation of « lacpActive », « aggregation 
» and « shortTimeout »
  - « actorAdminKey »: chose one

In my case the problem come that I have gave one of my real VLAN as « 
DefaultVlanID ». With this configuration no paquet can pass. Now I have choose 
the VLAN 1 in this case and everything is Ok.

Best regards and thanks…

> Le 7 févr. 2019 à 01:36, Gordon Messmer <gordon.mess...@gmail.com> a écrit :
> 
> On 2/6/19 9:47 AM, Pierre Malard wrote:
>> We have a Dell server with 4 Ethernet interface. I would to aggregate them 
>> in a bond.
>> ...
>> :/etc/sysconfig/network-scripts# cat ifcfg-bond0
>> ...
>> BONDING_OPTS="mode=802.3ad
> 
> 
> What type of managed switch are you using for those interfaces? Can you also 
> include the configuration that you gave the switch? Do the switch logs 
> indicate any errors with the bonded ports?
> 
> 
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Pierre Malard

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