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Got it, thanks Roaolfo.

 

发件人: Rodolfo Alonso Hernandez [mailto:ralonsoh at redhat.com] 
发送时间: 2021年6月24日 18:39
收件人: Yi Yang (杨燚)-云服务集团 <yangyi01 at inspur.com>
抄送: openstack-discuss at lists.openstack.org; reedip.banerjee at nectechnologies.in; gal.sagie at gmail.com; tian.mingming at h3c.com; zhaobo6 at huawei.com
主题: Re: [neutron] can floating IP port forwarding work when agent_mode is dvr or dvr_snat but on compute node?

 

Hello Yi:

 

Yes, the FIP port forwarding is done in the network node [1][2].

 

Regards.

 

[1]https://specs.openstack.org/openstack/neutron-specs/specs/rocky/port-forwarding.html

[2]https://review.opendev.org/c/openstack/neutron/+/533850

 

On Thu, Jun 24, 2021 at 12:07 PM Yi Yang (杨燚)-云服务集团 <yangyi01 at inspur.com <mailto:yangyi01 at inspur.com> > wrote:

Hi, folks

 

I’m working on https://bugs.launchpad.net/neutron/+bug/1931953, per my check for neutron-specs/specs/rocky/port-forwarding.rst, it seems port forwarding function only can be done on network node, so I don’t think we need to do it on compute node, can anybody help confirm this?

 

Per my understanding, if a FIP is set port forwarding to two VMS across two compute node, physical switch has no way to know which compute node it should send to if destination IP is this FIP, right? But on centralized mode, this isn’t an issue.

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