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IAP and vlan pooling question

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  • 1.  IAP and vlan pooling question

    Posted Dec 16, 2013 05:24 AM

    Hi all, a question re IAP cluster and vlan pooling.

     

    If I have a cluster of IAP 105's, 3 distinct SSI'ds each with a static vlan assigned, for instance

     

    vlan 100 guest

    vlan 200 staff

    vlan 300 apple

     

    if i use vlan pooling for each ssid as recommended, does this mean a wireless client when connecting drops into either of these 3 vlans at random and therefore picks up a dhcp address in that vlan ?

     

    thanks



  • 2.  RE: IAP and vlan pooling question

    Posted Dec 16, 2013 07:47 AM

    That is correct. If you use pooling, the client could be in any vlan in the pool

     

    The "randomness" is based upon a hash of the client mac if memory serves me correctly.

     



  • 3.  RE: IAP and vlan pooling question

    Posted Dec 16, 2013 08:01 AM

    Thanks, thats great, one other q if anyone can help, enabling airplay globally would negate necesarily using a specific Apple SSID ?

     

    Would this affect enabling multicast ARP ?

     

    Thanks



  • 4.  RE: IAP and vlan pooling question

    Posted Dec 16, 2013 08:25 AM

    I think the answer you're looking for is yes, it probably does negate it.

     

    BUT, that's me making an assumption that the reason you had a specific apple VLAN in the first place, was due to challenges with bonjour/mdns etc (apple "multicast" stuff) when traversing vlans?

     

    If that was the reason, the answer's yes. If there were other reasons the apple stuff was on a specific VLAN, they might still be relevant?

     

    I think your second question is related to dropping bcast/mcast and converting ARP to unicast? If so, my understanding is Airgroup works along side this (when enabled) just fine.