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When using the virtual controller ip settings - it's like shared address? (like vrrp)

When using the virtual controller ip settings - does the ip should be an ip of "REAL" unit? or it's like shared address?

Please advise: Here is a screenshot that will explain my question:

 

Untitled.png

 

Because when there is a real unit with 16.181.55.1 the unit staying down....

Please advise.

 

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Guru Elite

Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

What's the gateway for that public subnet?

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480

Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

The VC address must be different from the real ip of an IAP.


If my post is helpful please give kudos, or mark as solved if it answers your post.

ACCP, ACCX #817, ACMP, ACMX #294

Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

16.181.55.1 IAP /  Virtual Controller IP
16.181.55.2  IAP
16.181.55.3 IAP
16.181.55.4 IAP
16.181.55.5 IAP
16.181.55.6 IAP
16.181.55.7 IAP
16.181.55.8 IAP
 
16.181.0.254 Gateway
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Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

All the iap's are on trunk ports with the same native vlan (all the units got static address on that native)

 

 

So based on your post,i should configure the virtual ip address as 16.188.55.1,and set all the iap's of this group to be from 16.188.55.2-9 ? and not to use the 16.188.55.1 also for an IAP unit? (did i understood right?)

 

As long as the virtual controller assigen ip is not 0.0.0.0

 

am i right?

*****************2Plus Wireless Solutions****************************
Aruba Airheads - Powered By community for empower the community
************ Don't Forget to Kudos + me,If i helped you******************
Guru Elite

Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

Yes. Think of the VC address as a loopback.

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480

Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

what you wrote in your post is 100% sure?

Becuase i have another site (with same instantOS and same iAP-105 units) , and on that site the virtual controller ip got the same ip as one of the units of the group - and it's working just as needed.

 

Screenshots attached:

Capture222.PNG

Capture2.PNG

Capture22.PNG

 

Please advise

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************ Don't Forget to Kudos + me,If i helped you******************

Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

thanks for the support / info.

**PLEASE TAKE A LOOK ON THE ABOVE POST*

so - how on other site - they are the same? the virtual ip contoller (the "loopback") and also one of the units inside that VC. (with no problems at all)

*****************2Plus Wireless Solutions****************************
Aruba Airheads - Powered By community for empower the community
************ Don't Forget to Kudos + me,If i helped you******************
Guru Elite

Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

That's not best practice because if you lose that IAP, the VC address is not reachable which can affect things like Central management and RADIUS.

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480

Re: When using the virtual controller ip settings - it's like shared address? (like vrrp)

so i should leave it on 0.0.0.0 (if i got only one VC on that segment/vlan ?)

regarding the radius -  if i'am using 0.0.0.0 as virtual ip controller ..it's also dosent effect on radius - because the NAS IP is configured the same for all the ap's (it's conifgreable via the VC)

*****************2Plus Wireless Solutions****************************
Aruba Airheads - Powered By community for empower the community
************ Don't Forget to Kudos + me,If i helped you******************
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