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Message-Id: <428971493234129@web14g.yandex.ru>
Date: Wed, 26 Apr 2017 22:15:29 +0300
From: Алексей Болдырев
<ne-vlezay80@...dex.ru>
To: netdev <netdev@...r.kernel.org>
Subject: Low speed MPLS to virtio-net
Started MPLS on the branch - Everything was fine. When I tried to run MPLS on a real network of virtual machines, there were problems with the speed:
root@...tainers:~# iperf3 -c 10.194.10.2 -B 10.194.10.1 -Z
Connecting to host 10.194.10.2, port 5201
[ 4] local 10.194.10.1 port 49533 connected to 10.194.10.2 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 1018 KBytes 8.34 Mbits/sec 238 5.64 KBytes
[ 4] 1.00-2.00 sec 1.42 MBytes 11.9 Mbits/sec 373 1.41 KBytes
[ 4] 2.00-3.00 sec 1.43 MBytes 12.0 Mbits/sec 379 5.64 KBytes
[ 4] 3.00-4.00 sec 1.43 MBytes 12.0 Mbits/sec 376 5.64 KBytes
[ 4] 4.00-5.00 sec 1.41 MBytes 11.8 Mbits/sec 375 2.82 KBytes
[ 4] 5.00-6.00 sec 1.42 MBytes 11.9 Mbits/sec 376 2.82 KBytes
[ 4] 6.00-7.00 sec 1.42 MBytes 11.9 Mbits/sec 373 5.64 KBytes
[ 4] 7.00-8.00 sec 1.41 MBytes 11.8 Mbits/sec 372 5.64 KBytes
[ 4] 8.00-9.00 sec 1.42 MBytes 11.9 Mbits/sec 379 2.82 KBytes
[ 4] 9.00-10.00 sec 1.42 MBytes 11.9 Mbits/sec 373 5.64 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.00 sec 13.8 MBytes 11.5 Mbits/sec 3614 sender
[ 4] 0.00-10.00 sec 13.6 MBytes 11.4 Mbits/sec receiver
iperf Done.
root@...tainers:~#
Here are the settings:
test0:
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo:1: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 10.194.10.1 netmask 255.255.255.255
loop txqueuelen 1000 (Local Loopback)
test0p1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.194.1.50 netmask 255.255.255.0 broadcast 10.194.1.255
inet6 fe80::b0a7:b1ff:fec1:3d5c prefixlen 64 scopeid 0x20<link>
ether b2:a7:b1:c1:3d:5c txqueuelen 1000 (Ethernet)
RX packets 19974 bytes 1410944 (1.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3726844 bytes 5236310466 (4.8 GiB)
TX errors 0 dropped 3604 overruns 0 carrier 0 collisions 0
test1:
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo:1: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 10.194.10.2 netmask 255.255.255.255
loop txqueuelen 1000 (Local Loopback)
test1p1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.194.1.51 netmask 255.255.255.0 broadcast 10.194.1.255
inet6 fe80::5cc0:45ff:fe1a:9705 prefixlen 64 scopeid 0x20<link>
ether 5e:c0:45:1a:97:05 txqueuelen 1000 (Ethernet)
RX packets 2001923 bytes 2806406771 (2.6 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 19907 bytes 1485150 (1.4 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Server configuration:
root@...vlezay80:~# ip -M r
100 via inet 10.194.1.50 dev vlan11
101 via inet 10.194.1.51 dev vlan11
root@...vlezay80:~#
root@...vlezay80:~# ifconfig
eth0 Link encap:Ethernet HWaddr 52:54:00:5d:81:90
inet addr:10.247.0.250 Bcast:10.247.0.255 Mask:255.255.255.0
inet6 addr: fe80::5054:ff:fe5d:8190/64 Scope:Link
inet6 addr: fd00:1002:1289:10::10/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:2500 Metric:1
RX packets:7403 errors:0 dropped:0 overruns:0 frame:0
TX packets:4182 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:621871 (607.2 KiB) TX bytes:445766 (435.3 KiB)
eth1 Link encap:Ethernet HWaddr 52:54:00:0b:ff:2e
inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
inet6 addr: fd00:104:1::1/64 Scope:Global
inet6 addr: fe80::5054:ff:fe0b:ff2e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:2500 Metric:1
RX packets:2204837 errors:0 dropped:5 overruns:0 frame:0
TX packets:2083636 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3073876412 (2.8 GiB) TX bytes:2897017540 (2.6 GiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:75 errors:0 dropped:0 overruns:0 frame:0
TX packets:75 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:6600 (6.4 KiB) TX bytes:6600 (6.4 KiB)
servers Link encap:Ethernet HWaddr b2:c2:cf:9a:9c:00
UP RUNNING NOARP MASTER MTU:65536 Metric:1
RX packets:2259 errors:0 dropped:0 overruns:0 frame:0
TX packets:4062 errors:0 dropped:219 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:220368 (215.2 KiB) TX bytes:340283 (332.3 KiB)
vlan10 Link encap:Ethernet HWaddr 52:54:00:0b:ff:2e
inet addr:10.194.0.1 Bcast:10.194.0.255 Mask:255.255.255.0
inet6 addr: 2a01:d0:c353:180::1/64 Scope:Global
inet6 addr: fe80::5054:ff:fe0b:ff2e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:2500 Metric:1
RX packets:2260 errors:0 dropped:0 overruns:0 frame:0
TX packets:15 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:85868 (83.8 KiB) TX bytes:1322 (1.2 KiB)
vlan11 Link encap:Ethernet HWaddr 52:54:00:0b:ff:2e
inet addr:10.194.1.1 Bcast:10.194.1.255 Mask:255.255.255.0
inet6 addr: fe80::5054:ff:fe0b:ff2e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:2500 Metric:1
RX packets:2201655 errors:0 dropped:58 overruns:0 frame:0
TX packets:2083391 errors:0 dropped:119523 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3034042872 (2.8 GiB) TX bytes:2888672290 (2.6 GiB)
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