Ich habe jetzt mal einen iperf zwischen greyworm-02 und greyworm-03 gemacht:
root@greyworm-02 ~ # iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56978
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.9 sec 26.9 MBytes 20.8 Mbits/sec
[ 5] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56980
[ 5] 0.0-10.1 sec 24.8 MBytes 20.6 Mbits/sec
[ 4] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56982
[ 4] 0.0-10.3 sec 36.0 MBytes 29.3 Mbits/sec
[ 5] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56984
[ 5] 0.0-10.2 sec 42.5 MBytes 34.8 Mbits/sec
[ 4] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56986
[ 4] 0.0-10.2 sec 33.6 MBytes 27.7 Mbits/sec
[ 5] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56988
[ 5] 0.0-10.1 sec 19.5 MBytes 16.2 Mbits/sec
[ 4] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56990
[ 4] 0.0-10.1 sec 29.6 MBytes 24.7 Mbits/sec
[ 5] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56992
[ 5] 0.0-10.1 sec 19.2 MBytes 16.0 Mbits/sec
[ 4] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56994
[ 4] 0.0-10.3 sec 15.5 MBytes 12.6 Mbits/sec
[ 5] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56996
[ 5] 0.0-10.1 sec 26.0 MBytes 21.6 Mbits/sec
[ 4] local 89.163.247.46 port 5001 connected with 89.163.253.62 port 56998
[ 4] 0.0-10.6 sec 31.0 MBytes 24.5 Mbits/sec
Dazu im Vergleich zwischen remue-01 und remue-02:
root@remue-02 ~ # iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55744
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.0 sec 13.9 GBytes 11.9 Gbits/sec
[ 5] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55746
[ 5] 0.0-10.0 sec 14.1 GBytes 12.1 Gbits/sec
[ 4] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55748
[ 4] 0.0-10.0 sec 14.4 GBytes 12.3 Gbits/sec
[ 5] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55750
[ 5] 0.0-10.0 sec 14.3 GBytes 12.3 Gbits/sec
[ 4] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55752
[ 4] 0.0-10.0 sec 14.7 GBytes 12.6 Gbits/sec
[ 5] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55754
[ 5] 0.0-10.0 sec 13.7 GBytes 11.8 Gbits/sec
[ 4] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55756
[ 4] 0.0-10.0 sec 14.0 GBytes 12.0 Gbits/sec
[ 5] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55758
[ 5] 0.0-10.0 sec 14.7 GBytes 12.6 Gbits/sec
[ 4] local 148.251.208.171 port 5001 connected with 148.251.208.170 port 55760
[ 4] 0.0-10.0 sec 13.9 GBytes 11.9 Gbits/sec
Anmerkung: Es handelt sich jeweils um virtuelle Maschinen auf jeweils dem selben Blech.
Einen winzig kleinen Unterschied kann man schon erkennen 
. Dazu möchte ich noch diese Entdeckung hier erwähnen.