Wireless Access

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Occasional Contributor II

HA in OS8

I have 2 x 7010 controllers in a DMZ supplying corporate wireless access via RAP.  I've upgraded to OS8.2.1.0 from 6.4, there's no MM in this part of the network so i've gone with standalone MC's and master redundancy (similar to 6.4) however when I've set up the HA with a master and standby LMS in the group i'm not seeing the standby IP in the sh ap database command and nor am I seeing any information when I do a sh ha ap table.  Does HA work with RAP's in this scenario?  I've seen on a much earler post that in 6.4 HA does not work with RAP's is it the same for OS8?

Guru Elite

Re: HA in OS8

There is no "HA" for Raps in AOS8 orAOS 6.  You just use LMS-ip and backup LMS-ip, but a standby tunnel is not created on the second controller.  The "HA" Campus concept does not translate for RAPs.


*Answers and views expressed by me on this forum are my own and not necessarily the position of Aruba Networks or Hewlett Packard Enterprise.*
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Occasional Contributor II

Re: HA in OS8

so no point in setting up an HA group then?

Guru Elite

Re: HA in OS8

Not with remote APs, no.


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Guru Elite

Re: HA in OS8

Also, clustering does not work with RAPs currently either.  So an MM and clustering will also not help you right now.  Just an FYI.


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Occasional Contributor II

Re: HA in OS8

ok no problem - back to VRRP failover then for the mo!

 

Many thanks

Guru Elite

Re: HA in OS8

You can do VRRP failover if there is no firewall between the AP and the VRRP (the controllers have public ip addresses as well as a VRRP addressed on them).  It is preferable to point a RAP to a DNS a-record that has two ip addresses, that way the AP will either get both ip addresses and try one after the other, or the DNS round-robins and gives the RAP a different address for each request.


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Occasional Contributor II

Re: HA in OS8

The RAP's are pointing at a DNS address which is the IP of the VRRP but all 3 external IP addresses (Controller 1, Controller 2 & VRRP) are allowed through the firewall

Guru Elite

Re: HA in OS8

That probably is fine.


*Answers and views expressed by me on this forum are my own and not necessarily the position of Aruba Networks or Hewlett Packard Enterprise.*
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