[Openstack] Urgent! MTU size issue
Rick Jones
rick.jones2 at hpe.com
Wed Nov 9 21:58:07 UTC 2016
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 puppetmaster server on
> openstack. After lots of research found openstack VM use mtu 1400 and
> my rest of puppet agent server who are not on openstack they used mtu
> 1500.
>
> as soon as i change puppet agent MTU size to 1400 everything started
> working. But just surprised why openstack use 1400 for VM there must
> be a reason like vxlan or GRE.
>
> So for experiment i change mtu 1500 on puppetmaster server on
> openstack but it didn't help. How do i fix this issue?
What happens if LBaaS isn't between the client and server?
Does Puppet do anything with UDP or is it all TCP?
rick jones
More information about the Openstack
mailing list