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Исправление mvt, (текущая версия) :

Да, я проверил iperf3, забыл написать.

Это ubuntu-server 20.04 (DHCP)

mvt@mvt-server-1:~$ sudo mii-tool -v enp1s7 [sudo] password for mvt: enp1s7: negotiated 1000baseT-HD flow-control, link ok product info: Yukon 88E1011 rev 5 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control

Это ubuntu-server 17.04:

mvt@mvt-server-2:~$ sudo mii-tool -v enp2s1 [sudo] password for mvt: enp2s1: negotiated 1000baseT-HD flow-control, link ok product info: vendor 00:07:32, model 17 rev 3 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control

Теперь iperf3 (в прямом и обратном направлении с ubuntu-server 17.04):

mvt@mvt-server-2:~$ iperf3 -c 172.19.0.1 Connecting to host 172.19.0.1, port 5201 [ 4] local 172.19.0.2 port 45906 connected to 172.19.0.1 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 74.0 MBytes 621 Mbits/sec 0 141 KBytes
[ 4] 1.00-2.00 sec 73.6 MBytes 618 Mbits/sec 0 141 KBytes
[ 4] 2.00-3.00 sec 73.8 MBytes 619 Mbits/sec 0 141 KBytes
[ 4] 3.00-4.00 sec 73.8 MBytes 619 Mbits/sec 0 141 KBytes
[ 4] 4.00-5.00 sec 73.7 MBytes 619 Mbits/sec 0 157 KBytes
[ 4] 5.00-6.00 sec 73.6 MBytes 618 Mbits/sec 0 157 KBytes
[ 4] 6.00-7.00 sec 73.5 MBytes 617 Mbits/sec 0 157 KBytes
[ 4] 7.00-8.00 sec 73.6 MBytes 617 Mbits/sec 0 157 KBytes
[ 4] 8.00-9.00 sec 73.8 MBytes 619 Mbits/sec 0 240 KBytes
[ 4] 9.00-10.00 sec 72.8 MBytes 611 Mbits/sec 0 240 KBytes


[ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 736 MBytes 618 Mbits/sec 0 sender [ 4] 0.00-10.00 sec 736 MBytes 617 Mbits/sec receiver

iperf3 в обратном направлении:

mvt@mvt-server-2:~$ iperf3 -c 172.19.0.1 -R Connecting to host 172.19.0.1, port 5201 Reverse mode, remote host 172.19.0.1 is sending [ 4] local 172.19.0.2 port 45910 connected to 172.19.0.1 port 5201 [ ID] Interval Transfer Bandwidth [ 4] 0.00-1.00 sec 38.8 MBytes 326 Mbits/sec
[ 4] 1.00-2.00 sec 38.8 MBytes 325 Mbits/sec
[ 4] 2.00-3.00 sec 38.8 MBytes 325 Mbits/sec
[ 4] 3.00-4.00 sec 38.8 MBytes 325 Mbits/sec
[ 4] 4.00-5.00 sec 38.8 MBytes 325 Mbits/sec
[ 4] 5.00-6.00 sec 38.7 MBytes 325 Mbits/sec
[ 4] 6.00-7.00 sec 38.6 MBytes 324 Mbits/sec
[ 4] 7.00-8.00 sec 38.8 MBytes 326 Mbits/sec
[ 4] 8.00-9.00 sec 38.8 MBytes 326 Mbits/sec
[ 4] 9.00-10.00 sec 38.8 MBytes 326 Mbits/sec


[ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 389 MBytes 326 Mbits/sec 0 sender [ 4] 0.00-10.00 sec 388 MBytes 325 Mbits/sec receiver

iperf Done.

Да, после перезагрузки ubuntu-server 17.04 обе сетевые карты, до принудительного выставления скорости видят 1000baseT-HD с другой стороны (link partner:) и предлагают его (advertising:).

Выключать или перезагружать оба сервера не пробовал, но попробую, думаю всё будет хорошо.

Забыл написать, сейчас на ubuntu-server 17.04 стоит сетевая карта D-link DGE-528T, потому что с ней в прямом направлении iperf3 показывает скорость более 617 Mbits/sec.

Если поставить D-link DGE-530T (в паре DGE-530T - DGE-530T), то скорость будет, примерно, на 100 Mbits/sec меньше.

Оставил пару ubuntu-server 20.04 (DHCP-server) D-link DGE-530T - ubuntu-server 20.04 (DHCP-client) D-link DGE-528T.

Да, и, кабель: Rexant FTP cat 5e, экранированный, 4 пары.

Исходная версия mvt, :

Да, я проверил iperf3, забыл написать.

Это ubuntu-server 20.04 (DHCP)

mvt@mvt-server-1:~$ sudo mii-tool -v enp1s7 [sudo] password for mvt: enp1s7: negotiated 1000baseT-HD flow-control, link ok product info: Yukon 88E1011 rev 5 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control

Это ubuntu-server 17.04:

mvt@mvt-server-2:~$ sudo mii-tool -v enp2s1 [sudo] password for mvt: enp2s1: negotiated 1000baseT-HD flow-control, link ok product info: vendor 00:07:32, model 17 rev 3 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control

Теперь iperf3 (в прямом и обратном направлении с ubuntu-server 17.04):

mvt@mvt-server-2:~$ iperf3 -c 172.19.0.1 Connecting to host 172.19.0.1, port 5201 [ 4] local 172.19.0.2 port 45906 connected to 172.19.0.1 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 74.0 MBytes 621 Mbits/sec 0 141 KBytes
[ 4] 1.00-2.00 sec 73.6 MBytes 618 Mbits/sec 0 141 KBytes
[ 4] 2.00-3.00 sec 73.8 MBytes 619 Mbits/sec 0 141 KBytes
[ 4] 3.00-4.00 sec 73.8 MBytes 619 Mbits/sec 0 141 KBytes
[ 4] 4.00-5.00 sec 73.7 MBytes 619 Mbits/sec 0 157 KBytes
[ 4] 5.00-6.00 sec 73.6 MBytes 618 Mbits/sec 0 157 KBytes
[ 4] 6.00-7.00 sec 73.5 MBytes 617 Mbits/sec 0 157 KBytes
[ 4] 7.00-8.00 sec 73.6 MBytes 617 Mbits/sec 0 157 KBytes
[ 4] 8.00-9.00 sec 73.8 MBytes 619 Mbits/sec 0 240 KBytes
[ 4] 9.00-10.00 sec 72.8 MBytes 611 Mbits/sec 0 240 KBytes


[ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 736 MBytes 618 Mbits/sec 0 sender [ 4] 0.00-10.00 sec 736 MBytes 617 Mbits/sec receiver

iperf3 в обратном направлении:

mvt@mvt-server-2:~$ iperf3 -c 172.19.0.1 -R Connecting to host 172.19.0.1, port 5201 Reverse mode, remote host 172.19.0.1 is sending [ 4] local 172.19.0.2 port 45910 connected to 172.19.0.1 port 5201 [ ID] Interval Transfer Bandwidth [ 4] 0.00-1.00 sec 38.8 MBytes 326 Mbits/sec
[ 4] 1.00-2.00 sec 38.8 MBytes 325 Mbits/sec
[ 4] 2.00-3.00 sec 38.8 MBytes 325 Mbits/sec
[ 4] 3.00-4.00 sec 38.8 MBytes 325 Mbits/sec
[ 4] 4.00-5.00 sec 38.8 MBytes 325 Mbits/sec
[ 4] 5.00-6.00 sec 38.7 MBytes 325 Mbits/sec
[ 4] 6.00-7.00 sec 38.6 MBytes 324 Mbits/sec
[ 4] 7.00-8.00 sec 38.8 MBytes 326 Mbits/sec
[ 4] 8.00-9.00 sec 38.8 MBytes 326 Mbits/sec
[ 4] 9.00-10.00 sec 38.8 MBytes 326 Mbits/sec


[ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 389 MBytes 326 Mbits/sec 0 sender [ 4] 0.00-10.00 sec 388 MBytes 325 Mbits/sec receiver

iperf Done.

Да, после перезагрузки ubuntu-server 17.04 обе сетевые карты, до принудительного выставления скорости видят 1000baseT-HD с другой стороны (link partner:) и предлагают его (advertising:).

Выключать или перезагружать оба сервера не пробовал, но попробую, думаю всё будет хорошо.

Забыл написать, сейчас на ubuntu-server 17.04 стоит сетевая карта D-link DGE-528T, потому что с ней в прямом направлении iperf3 показывает скорость более 617 Mbits/sec.

Если поставить D-link DGE-530T (в паре DGE-530T - DGE-530T), то скорость будет, примерно, на 100 Mbits/sec меньше.

Оставил пару ubuntu-server 20.04 (DHCP-server) D-link DGE-530T - ubuntu-server 20.04 (DHCP-client) D-link DGE-528T.