[Bug 894608] Re: Implementing a bridge slows 10G network
Here are the results: (Fraser is the one with bridge utils installed) fraser:~$ cat /proc/sys/net/ipv4/tcp_rmem 409687380 4194304 fraser:~$ cat/proc/sys/net/ipv4/tcp_wmem 409616384 4194304 whitlam:~$ cat /proc/sys/net/ipv4/tcp_rmem 409687380 4194304 whitlam:~$ cat/proc/sys/net/ipv4/tcp_wmem 409616384 4194304 -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] Re: Implementing a bridge slows 10G network
Thanks for getting back to me. Here is brctl show output: $ brctl show bridge name bridge id STP enabled interfaces br0 8000.0010187ee074 no eth4 and ip link: $ ip link 1: lo: LOOPBACK,UP,LOWER_UP mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN qlen 1000 link/ether f0:4d:a2:3b:9a:9e brd ff:ff:ff:ff:ff:ff 3: eth1: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN qlen 1000 link/ether f0:4d:a2:3b:9a:a0 brd ff:ff:ff:ff:ff:ff 4: eth2: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN qlen 1000 link/ether f0:4d:a2:3b:9a:a2 brd ff:ff:ff:ff:ff:ff 5: eth3: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN qlen 1000 link/ether f0:4d:a2:3b:9a:a4 brd ff:ff:ff:ff:ff:ff 6: eth4: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc mq state UP qlen 1000 link/ether 00:10:18:7e:e0:74 brd ff:ff:ff:ff:ff:ff 7: eth5: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 00:10:18:7e:e0:76 brd ff:ff:ff:ff:ff:ff 8: br0: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc noqueue state UNKNOWN link/ether 00:10:18:7e:e0:74 brd ff:ff:ff:ff:ff:ff Also: Several sources suggest that turning odd tso, and perhaps also sg and tx, might help. Could you try Tried this but it made no noticeable difference. Thanks for your help so far. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] Re: Implementing a bridge slows 10G network
apport information ** Tags added: apport-collected ** Description changed: Installing bridge-utils and then setting up a bridge in /etc/netwrok/interfaces decimates my netwrok speed. Uninstalling the package and doing a reboot restores the speed. This bug was originally posted here: https://bugs.launchpad.net/qemu/+bug/861141 but I now realise it is bridge-utils specific. Hardware: I have two identical machines (DELL poweredge R815), each with Broadcom NetXtreme II BCM57711 10-Gigabit PCIe connected via a 10G switch. Each machine runs 4 socket 12 core AMD Opteron(tm) Processor 6174 and 128GB of ram Software: Both machines ar running ubuntu server 10.04 lts Kernels are: Linux whitlam 2.6.32-28-server #55-Ubuntu SMP Mon Jan 10 23:57:16 UTC 2011 x86_64 GNU/Linux Linux fraser 2.6.32-28-server #55-Ubuntu SMP Mon Jan 10 23:57:16 UTC 2011 x86_64 GNU/Linux I have installed iperf on both machines. The tests here involve running whitlam as the iperf server and fraser as the client. On whitlam I run: bioadmin@whitlam:~# iperf -sm On fraser I run: bioadmin@fraser:~# iperf -c whitlam -d before installation I get: bioadmin@whitlam:~# iperf -sm Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) [ 5] local 10.168.48.14 port 5001 connected with 10.168.48.13 port 37960 Client connecting to 10.168.48.13, TCP port 5001 TCP window size: 110 KByte (default) [ 6] local 10.168.48.14 port 49627 connected with 10.168.48.13 port 5001 Waiting for server threads to complete. Interrupt again to force quit. [ 5] 0.0-10.0 sec 10.8 GBytes 9.23 Gbits/sec [ 5] MSS size 1448 bytes (MTU 1500 bytes, ethernet) [ 6] 0.0-10.0 sec 10.6 GBytes 9.11 Gbits/sec [ 6] MSS size 1448 bytes (MTU 1500 bytes, ethernet) Which is nice. Next I run: sudo aptitude -y install bridge-utils and then I add a bridge to the interfaces file like thus: FROM: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth4 iface eth4 inet static address xx.xx.xx.xx netmask 255.255.255.0 network xx.xx.xx.0 broadcast xx.xx.xx.255 gateway xx.xx.xx.1 # dns-* options are implemented by the resolvconf package, if installed dns-nameservers blah blah TO: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface #auto eth4 #iface eth4 inet manual auto br0 iface br0 inet static address xx.xx.xx.xx netmask 255.255.255.0 network xx.xx.xx.0 broadcast xx.xx.xx.255 gateway xx.xx.xx.1 bridge_ports eth4 bridge_stp off # dns-* options are implemented by the resolvconf package, if installed dns-nameservers blah blah And restart networking sudo /etc/init.d/netwroking restart Which results in: bioadmin@whitlam:~# iperf -sm Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) [ 4] local 10.168.48.14 port 5001 connected with 10.168.48.13 port 56405 Client connecting to 10.168.48.13, TCP port 5001 TCP window size: 1.25 MByte (default) [ 6] local 10.168.48.14 port 57001 connected with 10.168.48.13 port 5001 Waiting for server threads to complete. Interrupt again to force quit. [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.0 sec 10.5 GBytes 9.00 Gbits/sec [ 4] MSS size 1448 bytes (MTU 1500 bytes, ethernet) [ 6] 0.0-10.0 sec 2.51 GBytes 2.15 Gbits/sec [ 6] MSS size 1448 bytes (MTU 1500 bytes, ethernet) Note that the connection from the machine with bridge-utils installed (fraser) to the other machine (whitlam) is not affected. Only the connection from whitlam to fraser. Both machines are fresh installs with nfs-common, iperf installed. Fraser also has bridge-utils Any help is very much appreciated! + --- + AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory + AplayDevices: Error: [Errno 2] No such file or directory + Architecture: amd64 + ArecordDevices: Error: [Errno 2] No such file or directory + DistroRelease: Ubuntu 10.04 + InstallationMedia:
[Bug 894608] CurrentDmesg.txt
apport information ** Attachment added: CurrentDmesg.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610792/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] Dependencies.txt
apport information ** Attachment added: Dependencies.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610793/+files/Dependencies.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] Lspci.txt
apport information ** Attachment added: Lspci.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610794/+files/Lspci.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] Lsusb.txt
apport information ** Attachment added: Lsusb.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610795/+files/Lsusb.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] ProcInterrupts.txt
apport information ** Attachment added: ProcInterrupts.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610797/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] ProcModules.txt
apport information ** Attachment added: ProcModules.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610798/+files/ProcModules.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] UdevDb.txt
apport information ** Attachment added: UdevDb.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610799/+files/UdevDb.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] ProcCpuinfo.txt
apport information ** Attachment added: ProcCpuinfo.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610796/+files/ProcCpuinfo.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] UdevLog.txt
apport information ** Attachment added: UdevLog.txt https://bugs.edge.launchpad.net/bugs/894608/+attachment/2610800/+files/UdevLog.txt ** Changed in: bridge-utils (Ubuntu) Status: Incomplete = Confirmed ** Changed in: linux (Ubuntu) Status: Incomplete = Confirmed -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] Re: Implementing a bridge slows 10G network
I just wanted to make sure that I can reproduce this from scratch, for anyone who's interested... Fresh install from 10.04.3 CD, choosing openssh-server as the only extra package $ sudo -s $ apt-get update $ apt-get dist-upgrade $ aptitude install iperf ... test network speed - all OK ... $ aptitude install bridge-utils ... make changes to interfaces file as outlined above $ /etc/init.d/networking restart ... test network speed - slow ... -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 894608] [NEW] Implementing a bridge slows 10G network
Public bug reported: Installing bridge-utils and then setting up a bridge in /etc/netwrok/interfaces decimates my netwrok speed. Uninstalling the package and doing a reboot restores the speed. This bug was originally posted here: https://bugs.launchpad.net/qemu/+bug/861141 but I now realise it is bridge-utils specific. Hardware: I have two identical machines (DELL poweredge R815), each with Broadcom NetXtreme II BCM57711 10-Gigabit PCIe connected via a 10G switch. Each machine runs 4 socket 12 core AMD Opteron(tm) Processor 6174 and 128GB of ram Software: Both machines ar running ubuntu server 10.04 lts Kernels are: Linux whitlam 2.6.32-28-server #55-Ubuntu SMP Mon Jan 10 23:57:16 UTC 2011 x86_64 GNU/Linux Linux fraser 2.6.32-28-server #55-Ubuntu SMP Mon Jan 10 23:57:16 UTC 2011 x86_64 GNU/Linux I have installed iperf on both machines. The tests here involve running whitlam as the iperf server and fraser as the client. On whitlam I run: bioadmin@whitlam:~# iperf -sm On fraser I run: bioadmin@fraser:~# iperf -c whitlam -d before installation I get: bioadmin@whitlam:~# iperf -sm Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) [ 5] local 10.168.48.14 port 5001 connected with 10.168.48.13 port 37960 Client connecting to 10.168.48.13, TCP port 5001 TCP window size: 110 KByte (default) [ 6] local 10.168.48.14 port 49627 connected with 10.168.48.13 port 5001 Waiting for server threads to complete. Interrupt again to force quit. [ 5] 0.0-10.0 sec 10.8 GBytes 9.23 Gbits/sec [ 5] MSS size 1448 bytes (MTU 1500 bytes, ethernet) [ 6] 0.0-10.0 sec 10.6 GBytes 9.11 Gbits/sec [ 6] MSS size 1448 bytes (MTU 1500 bytes, ethernet) Which is nice. Next I run: sudo aptitude -y install bridge-utils and then I add a bridge to the interfaces file like thus: FROM: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth4 iface eth4 inet static address xx.xx.xx.xx netmask 255.255.255.0 network xx.xx.xx.0 broadcast xx.xx.xx.255 gateway xx.xx.xx.1 # dns-* options are implemented by the resolvconf package, if installed dns-nameservers blah blah TO: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface #auto eth4 #iface eth4 inet manual auto br0 iface br0 inet static address xx.xx.xx.13 netmask 255.255.255.0 network xx.xx.xx.0 broadcast xx.xx.xx.255 gateway xx.xx.xx.1 bridge_ports eth4 bridge_stp off # dns-* options are implemented by the resolvconf package, if installed dns-nameservers blah blah And restart networking sudo /etc/init.d/netwroking restart Which results in: bioadmin@whitlam:~# iperf -sm Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) [ 4] local 10.168.48.14 port 5001 connected with 10.168.48.13 port 56405 Client connecting to 10.168.48.13, TCP port 5001 TCP window size: 1.25 MByte (default) [ 6] local 10.168.48.14 port 57001 connected with 10.168.48.13 port 5001 Waiting for server threads to complete. Interrupt again to force quit. [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.0 sec 10.5 GBytes 9.00 Gbits/sec [ 4] MSS size 1448 bytes (MTU 1500 bytes, ethernet) [ 6] 0.0-10.0 sec 2.51 GBytes 2.15 Gbits/sec [ 6] MSS size 1448 bytes (MTU 1500 bytes, ethernet) Note that the connection from the machine with bridge-utils installed (fraser) to the other machine (whitlam) is not affected. Only the connection from whitlam to fraser. Both machines are fresh installs with nfs-common, iperf installed. Fraser also has bridge-utils Any help is very much appreciated! ** Affects: bridge-utils (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or
[Bug 894608] Re: Implementing a bridge slows 10G network
** Description changed: Installing bridge-utils and then setting up a bridge in /etc/netwrok/interfaces decimates my netwrok speed. Uninstalling the package and doing a reboot restores the speed. This bug was originally posted here: https://bugs.launchpad.net/qemu/+bug/861141 but I now realise it is bridge-utils specific. Hardware: I have two identical machines (DELL poweredge R815), each with Broadcom NetXtreme II BCM57711 10-Gigabit PCIe connected via a 10G switch. Each machine runs 4 socket 12 core AMD Opteron(tm) Processor 6174 and 128GB of ram Software: Both machines ar running ubuntu server 10.04 lts Kernels are: Linux whitlam 2.6.32-28-server #55-Ubuntu SMP Mon Jan 10 23:57:16 UTC 2011 x86_64 GNU/Linux Linux fraser 2.6.32-28-server #55-Ubuntu SMP Mon Jan 10 23:57:16 UTC 2011 x86_64 GNU/Linux I have installed iperf on both machines. The tests here involve running whitlam as the iperf server and fraser as the client. On whitlam I run: bioadmin@whitlam:~# iperf -sm On fraser I run: bioadmin@fraser:~# iperf -c whitlam -d before installation I get: bioadmin@whitlam:~# iperf -sm Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) [ 5] local 10.168.48.14 port 5001 connected with 10.168.48.13 port 37960 Client connecting to 10.168.48.13, TCP port 5001 TCP window size: 110 KByte (default) [ 6] local 10.168.48.14 port 49627 connected with 10.168.48.13 port 5001 Waiting for server threads to complete. Interrupt again to force quit. [ 5] 0.0-10.0 sec 10.8 GBytes 9.23 Gbits/sec [ 5] MSS size 1448 bytes (MTU 1500 bytes, ethernet) [ 6] 0.0-10.0 sec 10.6 GBytes 9.11 Gbits/sec [ 6] MSS size 1448 bytes (MTU 1500 bytes, ethernet) Which is nice. Next I run: sudo aptitude -y install bridge-utils and then I add a bridge to the interfaces file like thus: FROM: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth4 iface eth4 inet static - address xx.xx.xx.xx - netmask 255.255.255.0 - network xx.xx.xx.0 - broadcast xx.xx.xx.255 - gateway xx.xx.xx.1 - # dns-* options are implemented by the resolvconf package, if installed - dns-nameservers blah blah + address xx.xx.xx.xx + netmask 255.255.255.0 + network xx.xx.xx.0 + broadcast xx.xx.xx.255 + gateway xx.xx.xx.1 + # dns-* options are implemented by the resolvconf package, if installed + dns-nameservers blah blah TO: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface #auto eth4 #iface eth4 inet manual auto br0 iface br0 inet static - address xx.xx.xx.13 - netmask 255.255.255.0 - network xx.xx.xx.0 - broadcast xx.xx.xx.255 - gateway xx.xx.xx.1 - bridge_ports eth4 - bridge_stp off - # dns-* options are implemented by the resolvconf package, if installed - dns-nameservers blah blah + address xx.xx.xx.xx + netmask 255.255.255.0 + network xx.xx.xx.0 + broadcast xx.xx.xx.255 + gateway xx.xx.xx.1 + bridge_ports eth4 + bridge_stp off + # dns-* options are implemented by the resolvconf package, if installed + dns-nameservers blah blah And restart networking sudo /etc/init.d/netwroking restart Which results in: bioadmin@whitlam:~# iperf -sm Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) [ 4] local 10.168.48.14 port 5001 connected with 10.168.48.13 port 56405 Client connecting to 10.168.48.13, TCP port 5001 TCP window size: 1.25 MByte (default) [ 6] local 10.168.48.14 port 57001 connected with 10.168.48.13 port 5001 Waiting for server threads to complete. Interrupt again to force quit. [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.0 sec 10.5 GBytes 9.00 Gbits/sec [ 4] MSS size 1448 bytes (MTU 1500 bytes, ethernet) [ 6] 0.0-10.0 sec 2.51 GBytes 2.15 Gbits/sec [ 6] MSS size 1448 bytes (MTU 1500 bytes, ethernet) Note that the connection from the machine with bridge-utils installed (fraser) to the other machine (whitlam) is not affected. Only the
