Wireless Access

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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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GRE Tunnel

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  • 1.  GRE Tunnel

    Posted Mar 13, 2013 05:16 AM

    Hi , I would like to calrify a basic query which may be very simple .

     

    If i have an AP - dual band dual radio . It is associated VAP which is broadcasting a single ssid with only a vlan . for example vlan 1. How many GRE tunnel will it form with controller?

     

    I am in assumption as it will have two BSSID as it has radio. Two GRE tunnel each one for a BSSID . Is my understanding correct?



  • 2.  RE: GRE Tunnel
    Best Answer

    Posted Mar 13, 2013 06:26 AM

    ArubaOS_6.1 Guide

    "An AP opens a GRE tunnel to the controller for each radio interface."

    page 76



  • 3.  RE: GRE Tunnel

    Posted May 29, 2019 09:57 PM

    If there two VAP with dual-band AP, so how many GRE tunnel will be contruct?  2 ? or 5?. 

     

    my assumption is 5 GRE tunnel:

            2 ssid + 2 radio + 1 keepalive = 5 , is this correct?

     

    any idea...



  • 4.  RE: GRE Tunnel

    EMPLOYEE
    Posted May 29, 2019 10:57 PM

    With AOS 6 or AOS 8 standalone, AOS 6 or 8 with HA, or with AOS 8 with the APs terminated on a cluster?



  • 5.  RE: GRE Tunnel

    Posted May 30, 2019 01:49 PM

    Since 6.1 documentation was mentioned, I will answer relating to that.

     

    There is a GRE per SSID per radio, along with a GRE for that AP heartbeat. If you have the 2nd Ethernet port enabled on your AP, then there is an additional GRE for the Ethernet port traffic.

     

    I hope this helps,