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Couple of questions for Sophos wireless

Hi, I have a couple of questions with regards to Sophos wireless on the UTM

1. How many acccess points can be connected?
2. How much of a performance hit does this have?
3. If you have more than 1 UTM in an organisation, can the access points be load balanced or go into failover?
4. Do the access points run if the UTM is down?
5. Can anybody offer their experiences with these? We are possibly looking at 150x 15c's and a smaller number of 55c's/100x

 

regards,

Louis



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  • hi louis,

    i have some ap running with my utms at work.. cant answer all but some...

    1. dont know.. hope some sophos staff or someone with greater count of installation can answer this..

    2. no performance problems at my site.. but only running 3 AP30

    3. no.. only if the utms itself are running in ha mode (master/slave)

    4. no. if utm is down the "intelligence" of the AP is down...

    hope that helps..

     

     

    greets

    zaphod
    ___________________________________________

    Home: Zotac CI321 (8GB RAM / 120GB SSD)  with latest Sophos UTM
    Work: 2 SG430 Cluster / many other models like SG105/SG115/SG135/SG135w/...

Reply
  • hi louis,

    i have some ap running with my utms at work.. cant answer all but some...

    1. dont know.. hope some sophos staff or someone with greater count of installation can answer this..

    2. no performance problems at my site.. but only running 3 AP30

    3. no.. only if the utms itself are running in ha mode (master/slave)

    4. no. if utm is down the "intelligence" of the AP is down...

    hope that helps..

     

     

    greets

    zaphod
    ___________________________________________

    Home: Zotac CI321 (8GB RAM / 120GB SSD)  with latest Sophos UTM
    Work: 2 SG430 Cluster / many other models like SG105/SG115/SG135/SG135w/...

Children
  • Hi,

    thanks for the fast reply.

    With regards to #3, we have a master/failover UTM setup. I'm just wondering what happens when we a master/master setup and where the AP's will intitally set themselves up?

    #4 is a little bad too. I know the ubiquiti's still continue to run if the controllers go down but they will lose functionality like guest access due to there being no centralised authentication. But surely if you have a network/SSID setup with radius authentication or just a PSK, you would think the AP would continue to function?

    Louis

  • #3 only have ha/failover running so i have no experience in master / master environment

    #4 if i shutdown my utm-ha-cluster no more wlan is reachable... so i think complete functionality is lost..

    maybe some others can jump in and answer more detailed ..

     

    greets

    zaphod
    ___________________________________________

    Home: Zotac CI321 (8GB RAM / 120GB SSD)  with latest Sophos UTM
    Work: 2 SG430 Cluster / many other models like SG105/SG115/SG135/SG135w/...

  • Louis, this really is a conversation you need to be having with your reseller.  Depending on the power of the UTM running them, there are limitations on the number of REDs+SSIDs you should run.

    3. The configurations on Master and Slave are nodes are identical, allowing the Slave to become Master within milliseconds and causing virtually nothing apparent to the users.

    4. If the UTMs go down and an SSID is 'Bridged to AP LAN', it will be able to transmit traffic between wireless and wired clients in that Ethernet segment.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • BAlfson said:
    4. If the UTMs go down and an SSID is 'Bridged to AP LAN', it will be able to transmit traffic between wireless and wired clients in that Ethernet segmen

    dont think so. i thougth only with ap55, ap100. my ap30 goes down if my utm is offline. the ap55 still sends wireless network. 

    correct info about guestsegments and bridged to ap lan.


    Sophos Platinum Partner 
    Sophos Certified Architect
    (Ceritfied UTM Architect / Certified XG Architect)