Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Satish Patel
This is very interesting https://bugs.launchpad.net/neutron/+bug/1376446 On Wed, Nov 9, 2016 at 5:39 PM, Satish Patel wrote: > We have DVR setup so if i change path_mtu=1550 in > /etc/neutron/plugins/ml2/ml2_conf.ini and restart neutron services > does that work? > > or do i need to change those

Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Satish Patel
We have DVR setup so if i change path_mtu=1550 in /etc/neutron/plugins/ml2/ml2_conf.ini and restart neutron services does that work? or do i need to change those setting in controller node? On Wed, Nov 9, 2016 at 5:25 PM, Satish Patel wrote: > if i send request direct to server1 and server2 eve

Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Rick Jones
On 11/09/2016 02:25 PM, Satish Patel wrote: if i send request direct to server1 and server2 everything works!! but if i point my client to LBaaS VIP it doesn't work. LBaaS running on Network Node and server1 and server2 running on compute node. So LbaaS traffic coming from Network node to compu

Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Satish Patel
if i send request direct to server1 and server2 everything works!! but if i point my client to LBaaS VIP it doesn't work. LBaaS running on Network Node and server1 and server2 running on compute node. So LbaaS traffic coming from Network node to compute node over VxLAN (overlay) which has 1450 MT

Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Satish Patel
I have found in openstack VxLAN MTU is 1450 and if i go and change with following command on all server my application start working. ip netns exec qrouter-2c23f26a-09a4-4a58-b7af-1ec0ee4078fa ifconfig qr-12e51a7a-37 mtu 1500 so where and which option i should tune to make it permanent, i was rea

Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Rick Jones
On 11/09/2016 08:06 AM, Satish Patel wrote: We have 3 node cluster on Mikata openstack and we are using DVR network. Recently we build two puppetmaster server on openstack and put them behind Lbaasv2 load-balancer to share load but i found my none of client able to talk to correctly with puppetma

Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Rick Jones
On 11/09/2016 12:56 PM, Satish Patel wrote: If i enable Jumbo frames on openstack in that case do i need to change or enable anything on my external/physical network infrastructure? Probably. In the most succinct terms, all nodes in the same "broadcast domain" (anywhere reachable via layer 2

Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Satish Patel
If i enable Jumbo frames on openstack in that case do i need to change or enable anything on my external/physical network infrastructure? On Wed, Nov 9, 2016 at 3:13 PM, Mohammed Naser wrote: > Are you using any tunnelling or are you directly attaching to your physical > network? > > If you're u

Re: [Openstack] Urgent! MTU size issue

2016-11-09 Thread Mohammed Naser
Are you using any tunnelling or are you directly attaching to your physical network? If you're using tunnelling, I would recommend running jumbo frames on your compute and network nodes so they can transport packets with size of 1500. There is plenty of docs about this online that you can check

[Openstack] Urgent! MTU size issue

2016-11-09 Thread Satish Patel
We have 3 node cluster on Mikata openstack and we are using DVR network. Recently we build two puppetmaster server on openstack and put them behind Lbaasv2 load-balancer to share load but i found my none of client able to talk to correctly with puppetmaster server on openstack. After lots of resear