Re: 1Gbps Ethernet drops to 100Mbps

2020-05-19 Thread Nazar Zhuk
On 5/13/20 1:58 PM, Nazar Zhuk wrote: I have a 1Gbps network port that correctly connects as 1Gbps full duplex on boot, then drops to 100Mbps 4 seconds later. Forcing 1Gbps full duplex with ethtool works fine. Tested to make sure the actual speed is over 100Mbps. I am trying to determine

Re: 1Gbps Ethernet drops to 100Mbps

2020-05-14 Thread Michael Stone
On Wed, May 13, 2020 at 08:58:16PM +0200, Nazar Zhuk wrote: I have a 1Gbps network port that correctly connects as 1Gbps full duplex on boot, then drops to 100Mbps 4 seconds later. I'd check that autonegotiation isn't disabled on the other end, then try another cable.

Re: 1Gbps Ethernet drops to 100Mbps

2020-05-13 Thread Andy Smith
Hi Nazar, On Wed, May 13, 2020 at 08:58:16PM +0200, Nazar Zhuk wrote: > I have a 1Gbps network port that correctly connects as 1Gbps full duplex on > boot, then drops to 100Mbps 4 seconds later. Negotiation is failing and that is required for 1Gbit, so I would start by ruling out the device that

1Gbps Ethernet drops to 100Mbps

2020-05-13 Thread Nazar Zhuk
Hi all, I have a 1Gbps network port that correctly connects as 1Gbps full duplex on boot, then drops to 100Mbps 4 seconds later. Forcing 1Gbps full duplex with ethtool works fine. Tested to make sure the actual speed is over 100Mbps. I am trying to determine what causes the drop to 100Mbps