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2-NIC NAS support 2 inside LANs?

Discussion in 'NAS Buying Advice' started by MrPete, Oct 23, 2010.

  1. MrPete

    MrPete Occasional Visitor

    Jun 26, 2010
    We are setting up a proof-of-concept in-house network (that will also be our "real" network... just overkill for our actual need...).

    In a DMZ LAN we'll have a pair of email servers configured for failover. They are to share a NAS for email queue and mailbox storage.

    In the local LAN, we need a NAS for file serving.

    I'm looking at all these NAS boxes that have 2 gigabit NICs...and thinking maybe I can accomplish two goals with one NAS.

    Do any and/or all vendors (Thecus, QNAP, Synology, Netgear, etc) with multi-NIC boxes support the following?

    - NAS service on two physically separate LANs
    - ability to offer same and/or different shares on the two LANs (I'm mostly interested in SMB, although we seem to be adding some Macs to our mix.)

    Or... do I need to have two NASes?

    Ideally, I'd like to offer an "email" share on the DMZ, and all shares (including the email partition) on the inside LAN (which would also simplify our backup system a bit)

    Your thoughts and experiences with this mucho appreciated!
  2. thiggins

    thiggins Mr. Easy Staff Member

    May 18, 2008
    Multi-NIC NASes can generally support two different subnets.
    But you can't assign shares (or services) to a specific NIC port.
  3. MrPete

    MrPete Occasional Visitor

    Jun 26, 2010
    Hmmm... sounds just like normal SAMBA.

    Obviously, I *can* set security for different shares. Better than nothing but not perfect.
  4. NetworkStorageTips

    NetworkStorageTips Occasional Visitor

    Oct 12, 2010
    I personally like to keep DMZ servers specific to the task...

    But if that's not your concern, one advantage to two NAS' would be the potential to backup to each other.


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