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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Jonathan Corbet , Andrew Lunn , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Nikolay Aleksandrov , Zengbing Tu , Liang Li Subject: Re: [net-next v8 0/3] add broadcast_neighbor for no-stacking networking arch Message-ID: References: <9409D921-76FA-4A49-9E39-7F47DCB2B486@bamaicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9409D921-76FA-4A49-9E39-7F47DCB2B486@bamaicloud.com> On Sun, Sep 28, 2025 at 12:11:49PM +0800, Tonghao Zhang wrote: > > > > On Sep 24, 2025, at 10:23, Hangbin Liu wrote: > > > > On Fri, Jun 27, 2025 at 09:49:27PM +0800, Tonghao Zhang wrote: > >> For no-stacking networking arch, and enable the bond mode 4(lacp) in > >> datacenter, the switch require arp/nd packets as session synchronization. > >> More details please see patch. > > > > Hi Tonghao, > > > > Our engineer has a question about this feature. Since the switch requires > > ARP/ND packets for session synchronization, do we also need to send IGMP > > join/leave messages to the switch for synchronization? > Hello, I'm very sorry for replying to your question so late. In fact, the non-stacking network architecture disables the multicast function to prevent the server from learning other server real mac addresses. This architecture uses the arp proxy. To better answer your question, I post a blog: > https://huatuo.tech/blog/2025-09-26-some-thoughts-on-non-stacking-network-architecture/ Thanks for your explanation. Regards Hangbin