Access Points

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Occasional Contributor II
Posts: 100
Registered: ‎11-07-2008

AP125 N intermittently broadcasting full speed

I have 43 new AP 125s that I put in a new building on our campus. We have AP60/61s all over the rest of the campus, so I'm not sure if I configured everything correctly.

The problem is that I get a 270Mbps speed 5% of the time, the rest of the time I only get 54 Mbps. I can see that the APs are pushing out the 5ghz N signal, but I can't connect on it. HT on 802.11g is turned off. HT is turned on for 802.11a. Here is my config for this profile:

ap regulatory-domain-profile "Test-N profile"
country-code US
valid-11g-channel 1
valid-11g-channel 6
valid-11g-channel 11
valid-11a-channel 36
valid-11a-channel 40
valid-11a-channel 44
valid-11a-channel 48
valid-11a-channel 149
valid-11a-channel 153
valid-11a-channel 157
valid-11a-channel 161
valid-11a-channel 165
valid-11g-40mhz-channel-pair 1+
valid-11g-40mhz-channel-pair 6+
valid-11g-40mhz-channel-pair 6-
valid-11g-40mhz-channel-pair 11-
valid-11a-40mhz-channel-pair 36+
valid-11a-40mhz-channel-pair 40-
valid-11a-40mhz-channel-pair 44+
valid-11a-40mhz-channel-pair 48-
valid-11a-40mhz-channel-pair 149+
valid-11a-40mhz-channel-pair 153-
valid-11a-40mhz-channel-pair 157+
valid-11a-40mhz-channel-pair 161-

rf dot11g-radio-profile "Test-N"
no high-throughput-enable
arm-profile "Test-N"
!
Guru Elite
Posts: 20,553
Registered: ‎03-29-2007

Earshot

Are the AP125s within Earshot of the AP61's? Are you sure that you are ONLY broadcasting 5ghz. According to your commands, it seems that 2.4ghz is still broadcasting, but not at HT. You should do a "show ap active" and see what it is broadcasting at... Your clients may be sometimes connecting on 2.4ghz, because it propagates further...


Colin Joseph
Aruba Customer Engineering

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

Occasional Contributor II
Posts: 100
Registered: ‎11-07-2008

Re: AP125 N intermittently broadcasting full speed

Yes, there are 2 profiles. One is 2.4ghz and one is 5. The 2.4ghz has HT turned off. The building doesn't have any 60/61's in it. When I look at where I'm connected I can see I'm using the 802.11g profile, not 802.11a.
Guru Elite
Posts: 20,553
Registered: ‎03-29-2007

But wait...

How would you get 270m on a 2.4ghz profile?


Colin Joseph
Aruba Customer Engineering

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

Occasional Contributor II
Posts: 100
Registered: ‎11-07-2008

Re: AP125 N intermittently broadcasting full speed

When I'm connected to the 5ghz radio I will get 270Mbps, but that is only around 5% of the time. The rest of the time I only connect to the 2.4ghz radio and get only 54Mbps.

I'm just wondering why I'm connecting to the same access point, but only able to connect to the 5ghz radio 5% of the time.
Guru Elite
Posts: 20,553
Registered: ‎03-29-2007

Band Steering Candidate

2.4ghz propagates further than the 5ghz band so that means it will normally be selected more than the 5ghz. Consider using Band-Steering on the Virtual AP


Colin Joseph
Aruba Customer Engineering

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

Occasional Contributor II
Posts: 100
Registered: ‎11-07-2008

Re: AP125 N intermittently broadcasting full speed

That worked!
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