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questions about multi-channel

Samba - samba-technical mailing list
Hi all:

          according to the following article
           
https://blogs.technet.microsoft.com/josebda/2012/06/28/the-basics-of-smb-multichannel-a-feature-of-windows-server-2012-and-smb-3-0/   


         if client have  RSS enabled network adapters, there will be multiple connections between client and server for each adapter.
       
        However, when i test in my lab, using windows 10 and samba-4.4.4,  i only got one connection per network interface.
       as follows:
       PS C:\Users\Administrator> Get-SmbMultichannelConnection


Server Name  Selected Client IP      Server IP    Client Interface Index Server Interface Index Client RSS Capable Client RDMA Cap
-----------  -------- ---------      ---------    ---------------------- ---------------------- ------------------ ---------------
192.168.64.8 True     192.168.64.102 192.168.64.8 30                     7                      False              False
192.168.64.8 True     192.168.64.202 192.168.64.6 36                     6                      False              False


      does anybody know where is the problem?
     
   many thanks!
    leileidong







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Re: questions about multi-channel

Samba - samba-technical mailing list
On Fri, May 19, 2017 at 04:39:40PM +0800, ssdl.566 via samba-technical wrote:

> Hi all:
>
>           according to the following article
>            
> https://blogs.technet.microsoft.com/josebda/2012/06/28/the-basics-of-smb-multichannel-a-feature-of-windows-server-2012-and-smb-3-0/   
>
>
>          if client have  RSS enabled network adapters, there will be multiple connections between client and server for each adapter.
>        
>         However, when i test in my lab, using windows 10 and samba-4.4.4,  i only got one connection per network interface.
>        as follows:
>        PS C:\Users\Administrator> Get-SmbMultichannelConnection
>
>
> Server Name  Selected Client IP      Server IP    Client Interface Index Server Interface Index Client RSS Capable Client RDMA Cap
> -----------  -------- ---------      ---------    ---------------------- ---------------------- ------------------ ---------------
> 192.168.64.8 True     192.168.64.102 192.168.64.8 30                     7                      False              False
> 192.168.64.8 True     192.168.64.202 192.168.64.6 36                     6                      False              False
>
>
>       does anybody know where is the problem?

Do you have:

server multi channel support = yes

in smb.conf ?

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Re:Re: questions about multi-channel

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yes.....






在2017年05月20 01时10分, "Jeremy Allison"<[hidden email]>写道:

On Fri, May 19, 2017 at 04:39:40PM +0800, ssdl.566 via samba-technical wrote:

> Hi all:
>
>           according to the following article
>            
> https://blogs.technet.microsoft.com/josebda/2012/06/28/the-basics-of-smb-multichannel-a-feature-of-windows-server-2012-and-smb-3-0/ 
>
>
>          if client have  RSS enabled network adapters, there will be multiple connections between client and server for each adapter.
>        
>         However, when i test in my lab, using windows 10 and samba-4.4.4,  i only got one connection per network interface.
>        as follows:
>        PS C:\Users\Administrator> Get-SmbMultichannelConnection
>
>
> Server Name  Selected Client IP      Server IP    Client Interface Index Server Interface Index Client RSS Capable Client RDMA Cap
> -----------  -------- ---------      ---------    ---------------------- ---------------------- ------------------ ---------------
> 192.168.64.8 True     192.168.64.102 192.168.64.8 30                     7                      False              False
> 192.168.64.8 True     192.168.64.202 192.168.64.6 36                     6                      False              False
>
>
>       does anybody know where is the problem?

Do you have:

server multi channel support = yes

in smb.conf ?
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Re:Re: questions about multi-channel

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In reply to this post by Samba - samba-technical mailing list
yes






在2017年05月20 01时10分, "Jeremy Allison via samba-technical"<[hidden email]>写道:

On Fri, May 19, 2017 at 04:39:40PM +0800, ssdl.566 via samba-technical wrote:

> Hi all:
>
>           according to the following article
>            
> https://blogs.technet.microsoft.com/josebda/2012/06/28/the-basics-of-smb-multichannel-a-feature-of-windows-server-2012-and-smb-3-0/ 
>
>
>          if client have  RSS enabled network adapters, there will be multiple connections between client and server for each adapter.
>        
>         However, when i test in my lab, using windows 10 and samba-4.4.4,  i only got one connection per network interface.
>        as follows:
>        PS C:\Users\Administrator> Get-SmbMultichannelConnection
>
>
> Server Name  Selected Client IP      Server IP    Client Interface Index Server Interface Index Client RSS Capable Client RDMA Cap
> -----------  -------- ---------      ---------    ---------------------- ---------------------- ------------------ ---------------
> 192.168.64.8 True     192.168.64.102 192.168.64.8 30                     7                      False              False
> 192.168.64.8 True     192.168.64.202 192.168.64.6 36                     6                      False              False
>
>
>       does anybody know where is the problem?

Do you have:

server multi channel support = yes

in smb.conf ?

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