Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-14 16:43 GMT-03:00 Gordon Messmer : > On 11/14/2015 09:20 AM, Sergio Belkin wrote: > >> I'd want to connect a VM to another VM (or eventually to the host) via the >> "Linux bridge" so that I can demonstrate that capability in a classroom >> with only one laptop.

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/25/2015 07:18 AM, Sergio Belkin wrote: Are you talking bearing in mind VirtualBox? Actually, no. I'd either missed that detail or forgotten it by that time in the conversation. This might be the wrong list for VirtualBox questions, since it's not distributed with CentOS. I've

Re: [CentOS] Poor perfmance of bridged interfaces

Perhaps I don't explain myself enough. I don't want to "bridge" physical machine with virtual machine, my idea was create a transparent bridge in a VM for example to demonstrate a proxy with no need of topology change. Greets 2015-11-16 5:58 GMT-03:00 Paul Knox-Kennedy

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/14/2015 09:20 AM, Sergio Belkin wrote: > > I'd want to connect a VM to another VM (or eventually to the host) via the > "Linux bridge" so that I can demonstrate that capability in a classroom > with only one laptop. The libvirt wiki covers this here [0]. These instructions create a bridge

Re: [CentOS] Poor perfmance of bridged interfaces

On Fri, 13 Nov 2015, Ulf Volmer wrote: >On 11/13/2015 12:57 PM, Sergio Belkin wrote: >>When I enable stp: >> >> [root@localhost ~]# brctl show br0 >> bridge name bridge id STP enabled interfaces >> br0 8000.080027a398e6 yes enp0s3 >>

Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-13 16:43 GMT-03:00 Gordon Messmer : > On 11/13/2015 09:15 AM, Sergio Belkin wrote: > >> But AFAIK, routers divide broadcast domains, and switches (and >> therefore bridges) divide collision domains. >> > > Oh good, Cisco terminology. :) > Oh yeah, > >

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/14/2015 09:20 AM, Sergio Belkin wrote: I'd want to connect a VM to another VM (or eventually to the host) via the "Linux bridge" so that I can demonstrate that capability in a classroom with only one laptop. You don't actually need to attach *any* ethernet interfaces to do that. If you

Re: [CentOS] Poor perfmance of bridged interfaces

- Original Message - | On 11/14/2015 09:20 AM, Sergio Belkin wrote: | > I'd want to connect a VM to another VM (or eventually to the host) via the | > "Linux bridge" so that I can demonstrate that capability in a classroom | > with only one laptop. If the purpose of this is to demonstrate

Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-12 18:07 GMT-03:00 James A. Peltier : > - Original Message - > | Hi, > | > | I've created a bridge using 2 interfaces and have a lot of messages as > | follows: > | > | nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own > | address as source

Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-13 8:22 GMT-03:00 Sergio Belkin : > > > 2015-11-12 18:07 GMT-03:00 James A. Peltier : > >> - Original Message - >> | Hi, >> | >> | I've created a bridge using 2 interfaces and have a lot of messages as >> | follows: >> | >> | nov 12 15:30:22

Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-12 15:56 GMT-03:00 Ulf Volmer : > On 11/12/2015 07:42 PM, Sergio Belkin wrote: > > I've created a bridge using 2 interfaces and have a lot of messages as >> follows: >> >> nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own >> address as source

Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-13 12:32 GMT-03:00 Ulf Volmer : > On 11/13/2015 12:57 PM, Sergio Belkin wrote: > > When I enable stp: >> >> [root@localhost ~]# brctl show br0 >> bridge name bridge id STP enabled interfaces >> br0 8000.080027a398e6 yes

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/13/2015 12:57 PM, Sergio Belkin wrote: When I enable stp: [root@localhost ~]# brctl show br0 bridge name bridge id STP enabled interfaces br0 8000.080027a398e6 yes enp0s3 enp0s8

Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-13 13:52 GMT-03:00 Gordon Messmer : > On 11/13/2015 03:22 AM, Sergio Belkin wrote: > >> I'm trying to create virtualized linux bridge >> > > Well, you can't do that by putting two interfaces on the same LAN. A > bridge should be used to connect two separate

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/13/2015 03:22 AM, Sergio Belkin wrote: I'm trying to create virtualized linux bridge Well, you can't do that by putting two interfaces on the same LAN. A bridge should be used to connect two separate LANs. ___ CentOS mailing list

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/13/2015 09:15 AM, Sergio Belkin wrote: But AFAIK, routers divide broadcast domains, and switches (and therefore bridges) divide collision domains. Oh good, Cisco terminology. :) I'll be more specific than I was earlier, then. It's possible to unify two collision domains into a

Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-12 18:17 GMT-03:00 John R Pierce : > On 11/12/2015 10:42 AM, Sergio Belkin wrote: > >> DEVICE=enp0s8 >> HWADDR=08:00:27:A3:98:E6 >> BOOTPROTO=none >> ONBOOT=yes >> NM_CONTROLLED=no >> BRIDGE=br0 >> DEVICE=lo >> TYPE=loopback >> IPADDR=127.0.0.1 >> NETMASK=255.0.0.0 >>

Re: [CentOS] Poor perfmance of bridged interfaces

If you really need two bridges on the same LAN you will need to turn on STP and give your interfaces a delay of say 10 seconds on start up. Sorry, cant remember options to do that. Kahlil (Kal) Hodgson GPG: C9A02289 Head of Technology (m) +61 (0) 4

Re: [CentOS] Poor perfmance of bridged interfaces

Am 12.11.2015 um 19:42 schrieb Sergio Belkin: [root@localhost ~]# uname -a Linux localhost 3.10.0-123.el7.x86_64 #1 SMP Mon Jun 30 12:09:22 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux First of all: yum update to current! Alexander ___ CentOS mailing

Re: [CentOS] Poor perfmance of bridged interfaces

- Original Message - | Hi, | | I've created a bridge using 2 interfaces and have a lot of messages as | follows: | | nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own | address as source address | nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/12/2015 10:42 AM, Sergio Belkin wrote: DEVICE=enp0s8 HWADDR=08:00:27:A3:98:E6 BOOTPROTO=none ONBOOT=yes NM_CONTROLLED=no BRIDGE=br0 DEVICE=lo TYPE=loopback IPADDR=127.0.0.1 NETMASK=255.0.0.0 NETWORK=127.0.0.0 ... I hope thats two seperate files, ifcfg-enp0s8 and ifcfg-lo ... otherwise,

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/12/2015 10:42 AM, Sergio Belkin wrote: DEVICE=enp0s3 #HWADDR=08:00:27:AB:1D:E6 BOOTPROTO=none ONBOOT=yes NM_CONTROLLED=no BRIDGE=br0 DEVICE=enp0s8 HWADDR=08:00:27:A3:98:E6 BOOTPROTO=none ONBOOT=yes NM_CONTROLLED=no BRIDGE=br0 Do you have those two devices connected to the same LAN?

Re: [CentOS] Poor perfmance of bridged interfaces

2015-11-12 16:51 GMT-03:00 Gordon Messmer : > On 11/12/2015 10:42 AM, Sergio Belkin wrote: > >> DEVICE=enp0s3 >> #HWADDR=08:00:27:AB:1D:E6 >> BOOTPROTO=none >> ONBOOT=yes >> NM_CONTROLLED=no >> BRIDGE=br0 >> > > DEVICE=enp0s8 >> HWADDR=08:00:27:A3:98:E6 >> BOOTPROTO=none

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/12/2015 12:00 PM, Sergio Belkin wrote: 2015-11-12 16:51 GMT-03:00 Gordon Messmer : Do you have those two devices connected to the same LAN? Yes I have. Well, that will create a switch loop and flood the LAN with broadcast traffic. We can probably offer

[CentOS] Poor perfmance of bridged interfaces

Hi, I've created a bridge using 2 interfaces and have a lot of messages as follows: nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own address as source address nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own address as source address And the

Re: [CentOS] Poor perfmance of bridged interfaces

On 11/12/2015 07:42 PM, Sergio Belkin wrote: I've created a bridge using 2 interfaces and have a lot of messages as follows: nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own address as source address nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with