I checked out the synology manual on their implemenation of Link Agg with LACP and it is very easy to configure, however I have no idea what they are really doing. It's just click and off she goes. When the ports aren't active in LINK AGG, to me it means that there is a issue maybe with speed or if the remote device is actually running LinkAgg with LACP
Synology mention the following taken from their DS1511+ user guide, and I quote.
IEEE 802.3ad Dynamic Link Aggregation: IEEE 802.3ad is the standard for most Link Aggregation implementations. A switch with 802.3ad support is required to use in this mode.
Network Fault Tolerance only: If the LAN 1 port becomes unavailable, the system will use LAN 2 to provide service. You can select this option if your switch does not support IEEE 802.3ad.
I cannot answer why the synology unit is having issues with our standards based LINK Aggregation with LACP.
Therefore I will put the case for the use of using the synology Fault tolerant option.
The chart below was taken from a wonderful review from smallnetbuilder showing the throughput stats
under their testing, in MegaBits per second (MB/s)
The DS1511+ seems almost identical to the DS2411+ that was tested, but even the good folk at
small netbuilder see the following throughput under RAID5 conditions.
Sx550X, Sx350X, Sx250: PSE will Supply Power to Catalyst PSE Ports
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Configure Remote Network Monitoring (RMON) Events Control Settings on a Switch through the Command Line Interface (CLI)
Remote Network Monitoring (RMON) was developed by the Internet Engineering Task Force (IETF) to support...