Re: [PATCH net] bridge: notify user space after fdb update

2014-06-01 Thread David Miller
From: Jon Maxwell Date: Thu, 29 May 2014 17:27:16 +1000 > There has been a number incidents recently where customers running KVM have > reported that VM hosts on different Hypervisors are unreachable. Based on > pcap traces we found that the bridge was broadcasting the ARP request out > onto the

Re: [PATCH net] bridge: notify user space after fdb update

2014-05-30 Thread Stephen Hemminger
On Thu, 29 May 2014 17:27:16 +1000 Jon Maxwell wrote: > There has been a number incidents recently where customers running KVM have > reported that VM hosts on different Hypervisors are unreachable. Based on > pcap traces we found that the bridge was broadcasting the ARP request out > onto the ne

Re: [PATCH net] bridge: notify user space after fdb update

2014-05-29 Thread Toshiaki Makita
(2014/05/29 16:27), Jon Maxwell wrote: > There has been a number incidents recently where customers running KVM have > reported that VM hosts on different Hypervisors are unreachable. Based on > pcap traces we found that the bridge was broadcasting the ARP request out > onto the network. However so

Re: [PATCH net] bridge: notify user space after fdb update

2014-05-29 Thread Jiri Pirko
Thu, May 29, 2014 at 09:27:16AM CEST, jmaxwel...@gmail.com wrote: >There has been a number incidents recently where customers running KVM have >reported that VM hosts on different Hypervisors are unreachable. Based on >pcap traces we found that the bridge was broadcasting the ARP request out >onto

[PATCH net] bridge: notify user space after fdb update

2014-05-29 Thread Jon Maxwell
There has been a number incidents recently where customers running KVM have reported that VM hosts on different Hypervisors are unreachable. Based on pcap traces we found that the bridge was broadcasting the ARP request out onto the network. However some NICs have an inbuilt switch which on occasio

Re: [PATCH net] bridge: notify user space after fdb update

2014-05-28 Thread Vlad Yasevich
On 05/27/2014 06:45 PM, Jon Maxwell wrote: > There has been a number incidents recently where customers running KVM have > reported that VM hosts on different Hypervisors are unreachable. Based on > pcap traces we found that the bridge was broadcasting the ARP request out > onto the network. Howeve

Re: [PATCH net] bridge: notify user space after fdb update

2014-05-28 Thread Sergei Shtylyov
Hello. On 05/28/2014 02:45 AM, Jon Maxwell wrote: There has been a number incidents recently where customers running KVM have reported that VM hosts on different Hypervisors are unreachable. Based on pcap traces we found that the bridge was broadcasting the ARP request out onto the network. How

[PATCH net] bridge: notify user space after fdb update

2014-05-27 Thread Jon Maxwell
There has been a number incidents recently where customers running KVM have reported that VM hosts on different Hypervisors are unreachable. Based on pcap traces we found that the bridge was broadcasting the ARP request out onto the network. However some NICs have an inbuilt switch which on occasio