Every time the network printer turns on, I recieve an error message from my RN31440 NAS saying "System: Bond interface bond0 has slave interface eth0 offline." It re-connects almost immediately, but I fear data loss if this occurs during transfers. The APS this is connected to is the probable cause(I assume?) , as the printers "turning on" may be drawing on the UPS, but I fail to see why ONLY eth0, and not both interfaces in the "Bond0" are affected? Any answers?

Am using the two ethernet ports on the RN314 in bonded mode, using LACP (layer 2 & 3). Both are connected directly to individual ports on a router. The printer, router and NAS are all connected to the same UPS.

eth0 goes on and off-line | NETGEAR Communities

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Marc_V
NETGEAR Employee Retired
Mar 28, 2019
Hi NASty1

Have you checked if the IP the NAS and the Printer have are unique from each other? there might be conflict.

You can use one drive or gdrive to send in the logs.

Regards
schumaku
Guru - Experienced User
Mar 28, 2019
Port trunking/aggregation mode configured on the ReadyNAS?

What switch is the NAS (and probably the printer) connected to?

Any LAG configuration in place on the printer?
- NASty1
  Aspirant
  Mar 28, 2019
  Am using the two ethernet ports on the RN314 in bonded mode, using LACP (layer 2 & 3). Both are connected directly to individual ports on a router. The printer, router and NAS are all connected to the same UPS.
  - schumaku
    Guru - Experienced User
    Mar 28, 2019
    NASty1 wrote:
    
    Am using the two ethernet ports on the RN314 in bonded mode, using LACP (layer 2 & 3). Both are connected directly to individual ports on a router.
    
    Unless this router does support LACP agregation (few higher end Netgears offer aggregation, not all come with 802.3ad LACP) and the two ports are configured accordingly, this reads like an unsupported configuration - as both ends must be configured to 802.3ad LACP agregation/trunking/bondig.
    
    ReadyNAS OS 6.9.3 Software Manual
    
    Configure Bonded Adapters , p.171 ff.
    
    "Teaming Mode Description
    IEEE 802.3ad LACP Creates aggregation groups that use the same speed and duplex settings. Utilizes all interfaces in the active aggregator according to the 802.3ad specification.You need a switch that supports IEEE 802.3ad dynamic link aggregation."
    
    Needless to say, the switch (resp, the bonded ports) must be also configured acordingly.
    
    Just in case there is no such support on the router or a switch - use Adaptive Load Balancing on the ReadyNAS ... most non-managed switches are fine with this.