Controllerless Networks

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Occasional Contributor I
Posts: 8
Registered: ‎08-13-2014

IAP ARP issues

Hi, we are running IAP-225 VC in 6 locations here on campus and we are seeing large amount of arp broadcasts from the networks where we have our IAP'd deployed, has anyone seen this or had this happen, it is causing network outage at time and we cannot determine what is the cause , our only commonality is they are Aruba IAP buildings.

 

Peppino Muraca

Sr. Network Administrator

Stonehill College

508-565-1193

pmuraca@stonehill.edu

Guru Elite
Posts: 21,259
Registered: ‎03-29-2007

Re: IAP ARP issues

What version of Instant is this?



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor I
Posts: 8
Registered: ‎08-13-2014

Re: IAP ARP issues

We are running
6.4.2.6-4.1.3.1_55246


Peppino Muraca
Sr. Network Administrator
Stonehill College
508-565-1193
pmuraca@stonehill.edu
(OO=[][]=OO)
Guru Elite
Posts: 21,259
Registered: ‎03-29-2007

Re: IAP ARP issues

Any idea of the source of the ARP broadcasts?  Were they gratuitous ARPs or another kind?  Did you get a packet capture?



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor I
Posts: 8
Registered: ‎08-13-2014

Re: IAP ARP issues

It seems like we had some devices that were trying to use the same IP from the traces it seems all were gratuitous arps

Peppino Muraca
Sr. Network Administrator
Stonehill College
508-565-1193
pmuraca@stonehill.edu
(OO=[][]=OO)
Guru Elite
Posts: 21,259
Registered: ‎03-29-2007

Re: IAP ARP issues

Which devices?



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor I
Posts: 8
Registered: ‎08-13-2014

Re: IAP ARP issues

Mostly phones , iphones and androids

Peppino Muraca
Sr. Network Administrator
Stonehill College
508-565-1193
pmuraca@stonehill.edu
(OO=[][]=OO)
Guru Elite
Posts: 21,259
Registered: ‎03-29-2007

Re: IAP ARP issues

Please open a tac case. We don't have enough detailed information from you to determine what is wrong.


Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor I
Posts: 8
Registered: ‎08-13-2014

Re: IAP ARP issues

Question we are running IAP virtual controllers, if we configure option 43 and 60 on our dhcp server so the aps can find the controller, does this stop them from ARPing to find the VC ? they will still communicate using the IAP protocol correct ?

Pino

Peppino Muraca
Sr. Network Administrator
Stonehill College
508-565-1193
pmuraca@stonehill.edu
(OO=[][]=OO)
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