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I have 2 servers running windows 2012 R2, one of them is SMB server and the other is iSCSI server, and the clients are using Win7 x64.

Now I want to separate networks between iSCSI and SMB using 2 NICs on client and server. In order to do this, I need to disable SMB on internal NIC of SMB server and leave the external NIC SMB feature enabled.

But I'm having trouble disabling SMB sharing for specific NIC on server 2012 R2

Unchecking file and printer sharing doesn't have any effect. Is there any other way to do this?

NB: I read about SMB Multichannel but, the problem is, my clients' spec doesn't seem to be compatible with Win10..Its very laggy compared to Win7

Dave M
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denywinarto
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1 Answers1

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It's a bad idea to use dedicated cabling (+non-redundnant in your case!) for SMB and iSCSI traffic. It would be much better idea to chunk physical LANs with VLANs, configure QoS and give both SMB and iSCSI at least two VLANs: for performance and fault-tolerance.

BaronSamedi1958
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  • Bad idea because it's non-redundant? Problem is i'm not sure if a single gigabit port is enough for ISCSI + SMB. ISCI must be prioritized over SMB. Any guidelines somewhere for linksys switch (LGS552) for VLAN specific traffic like this? The manual does explain vlan but it doesn't explain how to deal with specific traffic – denywinarto Mar 31 '18 at 22:35
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    1 GbE can give you around 125 MB/sec and disk-like latency, so I don't think it's an issue. – BaronSamedi1958 Apr 01 '18 at 17:35
  • Well sometimes clients fail to boot iscsi when smb traffic is high so mixing them together definitely cause an issue, i will look up the VLAN settings again but last time i couldnt find anything that separates iscsi and smb on the linksys switch – denywinarto Apr 02 '18 at 02:18