Flint 2, speed cap at 1 Gbps after update

Updated to 4.8.3, same issue… Speed limited to 1Gbps…

root@GL-MT6000:~# ethtool eth1
Settings for eth1:
	Supported ports: [ TP MII ]
	Supported link modes:   10baseT/Half 10baseT/Full 
	                        100baseT/Half 100baseT/Full 
	                        1000baseT/Full 
	                        2500baseT/Full 
	Supported pause frame use: Symmetric Receive-only
	Supports auto-negotiation: Yes
	Supported FEC modes: Not reported
	Advertised link modes:  10baseT/Half 10baseT/Full 
	                        100baseT/Half 100baseT/Full 
	                        1000baseT/Full 
	                        2500baseT/Full 
	Advertised pause frame use: Symmetric Receive-only
	Advertised auto-negotiation: Yes
	Advertised FEC modes: Not reported
	Link partner advertised link modes:  10baseT/Half 10baseT/Full 
	                                     100baseT/Half 100baseT/Full 
	                                     1000baseT/Full 
	                                     2500baseT/Full 
	Link partner advertised pause frame use: No
	Link partner advertised auto-negotiation: Yes
	Link partner advertised FEC modes: Not reported
	Speed: 2500Mb/s
	Duplex: Full
	Port: MII
	PHYAD: 1
	Transceiver: external
	Auto-negotiation: on
	Current message level: 0x000000ff (255)
			       drv probe link timer ifdown ifup rx_err tx_err
	Link detected: yes

The issue is coming from the WAN port, I’ve done an iperf3 in the LAN and the speed is ok… Is something related to the connection:

   Speedtest by Ookla

      Server: Aruba S.p.A. - Arezzo (id: 40515)
         ISP: Aruba Broadband
Idle Latency:    19.97 ms   (jitter: 0.11ms, low: 19.84ms, high: 20.09ms)
    Download:  1036.96 Mbps (data used: 1.2 GB)                                                   
                170.52 ms   (jitter: 64.38ms, low: 19.68ms, high: 994.31ms)
      Upload:   477.29 Mbps (data used: 836.0 MB)                                                   
                 23.65 ms   (jitter: 4.91ms, low: 19.65ms, high: 163.38ms)
 Packet Loss:     0.0%

I think that I’ll roll back to 4.7.7, forever at this point…