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- About SonusFaber
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10-30-2019
15
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Created by
SonusFaber
in Wireless and Mobility
in Wireless and Mobility
12-14-2019
01:11 PM
12-14-2019
01:11 PM
I am talking about Surface Pro first versione, the one equipped with the Marvell 350N WiFi card. Since I am not so expert, the only things that I have customized with these two 1815i (I have two since my house is big) are the user\password, IP address, WLAN name and PSK key. Everything else is the Cisco default. Moreover I can understand why so different behaviour with the two software versions of the ME. I tested at work, where we have Cisco too (but different models) and it works perfectly. So, can you tell me where I can have a look to investigate?
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Created by
SonusFaber
in Wireless and Mobility
in Wireless and Mobility
12-14-2019
09:46 AM
12-14-2019
09:46 AM
thanks. The measured speed was using iperf and not Internet speedtest. Anyway I donwgrade the ME software to 8.5.140. Something interesting: ME 8.10.105 Surface associates @ 2.4 GHz and the download speed is very poor ( 1 Mbps ), while upload is OK If I force the Surface to use 5 GHz, then it wont connect. Surface says "unable to connect to this network" while Cisco says "invalid data rate" in the client's log ME 8.5.140 Again Surface associates @2.4 with poor speed like before But if i force Surface to use 5 GHz, then it connects, speed is PERFECT (almost 100 Mbps) and the Cisco does not report any erros. About drivers... the Surface's NIC is from Marvell but marvell does not provide directly any drivers. I can not downgrade or upgrade the NIC drivers because it is the only one available from Microsoft and it is embedded in the Surface's core image. The fact that with the older ME SW it works at 5 GHz.... strange... I would say there is something wrong with Cisco Unfortunately these two ME versions are the only ones I have (these are the two loaded on the AP). I do not have any SmartNet and the TAC does not takes care about me.
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Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-14-2019
09:31 AM
12-14-2019
09:31 AM
I did it. I created a new SSID, accepting defaults and the problem is still there. Disabled 802.11k,r,v and still there. Moreover I downgraded the software to 8.5.140 and no improvement. If i define the WLAN as OPEN, I do not get these errors.
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Created by
SonusFaber
in Wireless and Mobility
in Wireless and Mobility
12-12-2019
12:49 AM
12-12-2019
12:49 AM
I know that 2.4 GHz is a lost battle today... too many devices... too many interferers... few channels, etc. The thing I can not understand is that: two APs, one is the Cisco the other is no brand\no name, both @ 2.4, both on the same channel... with the Cisco the performances are very poor and with the other are very good, moreover very poor with the Cisco just in download, since in upload it is perfect. With the Cisco I can see in the log that the negotiated speed is 144 Mbps, while the real speed is below 1 Mbps in most cases. In my building I am the only one using WiFi, others floors are still empty and the nearest building with someone using WiFi is at 50 meters
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Created by
SonusFaber
in Wireless and Mobility
in Wireless and Mobility
12-11-2019
04:25 PM
12-11-2019
04:25 PM
I investigated a bit more. The Surface is capable of both 2.4 and 5 GHz. With the Cisco the Surface negotiates 2.4 GHz and the performances are very poor in download With another old AP it negotiate 5 GHz and performances are very good. Unfortunately the Marvell drivers of the Surface do not let me prefer one band versus another, so I configured the Cisco to use only 5 Ghz and so the Surface negotiate 5 GHz. Anyway, performances are very poor with the Cisco only at 2.4 GHz, even using the same channel that works perfectly on the ther AP (of course, not both turned on at same time). Strange. I follwed your suggestion and it happens also if the WLAN is open. I setup a test SSID following the wizard and accepting the defeults.
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Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-11-2019
04:17 PM
12-11-2019
04:17 PM
I understand but... it is the Cisco that is saying that the WLAN requires 802.1X even if the WLAN itself is not configured for 802.1X. Moreover... I am checking all the clients, one by one, and this message is in the debug of every client (Windows, Android, etc.) and this is mentioned as an ERROR not just generic information. Thanks
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Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-11-2019
03:11 PM
12-11-2019
03:11 PM
I am not in the position to open a case to the TAC, unfortunately and also can not download alternative ME software. Anyway, even if after the reboot of both APs everything is working fine, I can not understand why I see these events in the client's log: the only security configured is PSK and 802.1X is disabled. Thu Dec 12 2019 00:06:26 GMT+0100 (Ora standard dell’Europa centrale) Dot1x ERROR AUTH_DOT1X WLAN_REQUIRES_802_1X_AUT
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Created by
SonusFaber
in Wireless and Mobility
in Wireless and Mobility
12-11-2019
02:43 PM
12-11-2019
02:43 PM
It is a fresh installed Microsoft Surface Pro running Windows 10 connected to Cisco 1815i running the latest versione of Mobility Express. Download speed is slow... VERY slow... terribly slow: less than 1 Mbps in most cases Upload speed is good: 50+ Mbps I turned on an old AP in the same position where there is the 1815i (a no name \ no brand AP) and everything is good. I have tons of other devices and thay run very well, so just the Surface is suffering and just with Cisco AP Any idea?
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Labels:
Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-09-2019
01:02 AM
12-09-2019
01:02 AM
Good morning, I have two 1815i AP with Mobility Express at home. They are running since a couple of months and there is just one WLAN configured with PSK security. Since 5 days more or less I started experiencing connectivity issues: mobile devices (laptops, smartphones and tablets) started to being disconnected when moving from one AP to the the other one. in the ME GUI such clients were labeled as "excluded" in the client devices summary tab By using the CLI, there is the evidence that the reason of the exclusion was "802.1X authentication failure" with some kind of "countdown". The problem was not apparently affecting fixed devices (printers, media players, desktop PC, etc.) but trying to move than away from the original AP, also they started to being affected. There is only one WLAN configured and the security was set to PSK, so I can not understand why this problem with 802.1X. By using the CLI I disabled the exclusion check for 802.1X and for any other. The behaviour then changed, but still connectivity issues: no more auth failures or exclusions, but client were no more able to roam from one AP to the other so that when they were moving, they found the new and better AP, tried to connect, but no way. Then I restarted the Mobility Express and all the problems were solved. Any idea?
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- Tags:
- 802.1X auth failure
Labels:
Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-06-2019
02:41 PM
12-06-2019
02:41 PM
I solved the problem. Having two (or more) AP ME Capable, just one at a time is the Master. I can choose wich AP is the Master or I can let Cisco to choose the best AP to run as Master. In the first case, whenever the Master AP goes down, then any other will wait 5 minutes before being elected as new master In the second case, the failover is immediate
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Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-04-2019
09:16 AM
12-04-2019
09:16 AM
I am running ME version 8.10.105.0 I read the docs you mentionend and I can read that ------------ When you force the failover of the master to an AP of your choice, using the GUI or CLI methods, the current master AP reboots while the new AP takesover as the controller, with the IP address and configuration as the previous master. The previous master, after rebooting, comes back online and joins the new master AP as a subordinate AP. ------------------ So it seems to me that an AP, ME capable, when switches from Master to slave, it reboots. Not so clear if it needs to reboots whan switching from slave to Master. So, if both from master to slave and from slave to master process force the AP to reboot, then it is clear that having just two AP, when one goes down or when one slave is forced to be master, then I have to wait minutes for having again some WiFi available.
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Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-03-2019
03:35 PM
12-03-2019
03:35 PM
OK. Let me ask the question in a different way. Having 2 AP, both ME CAPABLE, one is Master and the other is slave. If I unplug the slave AP, then all clients connected to the Master do not suffer at all, while clients connected to the slave, almost immediately switch to the Master and associate with it. It is OK. if I unplug the Master AP, it seems to me that ALL clients, both the ones associated with the master and the ones associated with the slave get disconnected and it take not seconds, but MINUTES to get connected again to the slave AP than in the meanwhile has been elected as master. In the meantime, the web interface of the ME is not available AND I see the LED of the AP blinking in the same way when it boots. Is the above behaviour correct? Moreover, is it true or not that when an AP (ME capable), running as slave, is elected as the new Master, then it need to reboot? Maybe the process to switch an AP that is ME capable from slave to master implies the reboot... I do not know.
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Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-02-2019
03:39 PM
12-02-2019
03:39 PM
I have two 1815i at home, both ME capable and ME enabled. If I unplug the AP that is running as "slave" AP, then immediately all the clients move to the AP still plugged that is the master. But if I unplug the master, it seems to me that clients loose the signal and the AP still powered on, that was the slave, reboots and I get again signal as soon the AP restart as new master. Is it correct? What is the time it takes for the complete handover?
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Labels:
Created by
SonusFaber
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
10-31-2019
02:18 AM
10-31-2019
02:18 AM
Not clear to me what you say. Both the AP are ME, only one can be primary. If i click to make the second AP ad controller, then the first one is rolled back to AP only. I am trying to understand if it is correct to have both the AP configured as ME (one primary and one slave) or it is correct to have one as ME and other converted to CAPWAP.
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10-30-2019
05:05 PM
Hello having a two floors house, and since I was not happy with roaming using traditional consumer access points, I got two Cisco 1815i Both arrived with the ME - Mobility Express pre-loaded. I am new to Cisco, so, even reading all the docs I was able to find, some things are still to be investigated. So, I put the first AP on the LAN and switched it on. After some minutes the AP was alive and I joined my laptop to the Cisco SSID, I logged in I followed the wizard configuring username, password, IP address, 3 WLAN (home, office and guest), etc. Everything was perfect. Then I put on the LAN the second AP, powered it on and... after some minutes it appeared in the ME web page, together with the first one. The first one is marked with the "P" letter (Primary) and it operates as "ap and controller" The second one has no marks and operates as "AP only" but there is button "make me controller". Both the AP are labeled "ME Capable" There is also the possibility to convert AP to CAPWAP and from CAPWAP to ME The question is: is this configuration the right one? or do i need to convert one of the two AP to CAPWAP ? Second question: I was unhappy with TP-Link, Netgear, etc. because of the roaming, so I got these two Cisco capable on the paper to work with 802.11 k/v/r Looking the manual of the Mobility Express https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-1/Enterprise-Mobility-8-1-Design-Guide/Enterprise_Mobility_8-1_Deployment_Guide/Chapter-11.html figure 11.7 or 11.8, I can see settings that are not available on my web interfaces of my Mobility Express (I am running 8.5.140.0) Why?
... View more
Labels:
Created by
SonusFaber
in Wireless and Mobility
12-14-2019
12-14-2019
I am talking about Surface Pro first versione, the one equipped with the
Marvell 350N WiFi card.Sinc...
Created by
SonusFaber
in Wireless and Mobility
12-14-2019
12-14-2019
thanks.The measured speed was using iperf and not Internet
speedtest.Anyway I donwgrade the ME softw...
Created by
SonusFaber
in Other Wireless - Mobility Subjects
12-14-2019
12-14-2019
I did it. I created a new SSID, accepting defaults and the problem is
still there.Disabled 802.11k,r...
Created by
SonusFaber
in Wireless and Mobility
12-12-2019
12-12-2019
I know that 2.4 GHz is a lost battle today... too many devices... too
many interferers... few channe...
Created by
SonusFaber
in Wireless and Mobility
12-11-2019
12-11-2019
I investigated a bit more.The Surface is capable of both 2.4 and 5
GHz.With the Cisco the Surface ne...
Created by
SonusFaber
in Other Wireless - Mobility Subjects
12-11-2019
12-11-2019
I understand but... it is the Cisco that is saying that the WLAN
requires 802.1X even if the WLAN it...
Created by
SonusFaber
in Other Wireless - Mobility Subjects
12-11-2019
12-11-2019
I am not in the position to open a case to the TAC, unfortunately and
also can not download alternat...
Created by
SonusFaber
in Wireless and Mobility
12-11-2019
12-11-2019
It is a fresh installed Microsoft Surface Pro running Windows 10
connected to Cisco 1815i running th...
Created by
SonusFaber
in Other Wireless - Mobility Subjects
12-09-2019
12-09-2019
Good morning,I have two 1815i AP with Mobility Express at home.They are
running since a couple of mo...
Created by
SonusFaber
in Other Wireless - Mobility Subjects
12-06-2019
12-06-2019
I solved the problem.Having two (or more) AP ME Capable, just one at a
time is the Master.I can choo...
Created by
SonusFaber
in Other Wireless - Mobility Subjects
12-04-2019
12-04-2019
I am running ME version 8.10.105.0I read the docs you mentionend and I
can read that------------When...
Created by
SonusFaber
in Other Wireless - Mobility Subjects
12-03-2019
12-03-2019
OK.Let me ask the question in a different way.Having 2 AP, both ME
CAPABLE, one is Master and the ot...
Created by
SonusFaber
in Other Wireless - Mobility Subjects
12-02-2019
12-02-2019
I have two 1815i at home, both ME capable and ME enabled.If I unplug the
AP that is running as "slav...
10-31-2019
Not clear to me what you say.Both the AP are ME, only one can be
primary. If i click to make the sec...
Public Statistics
| Date Registered | 10-30-2019 05:01 PM |
| Date Last Visited | 12-15-2019 02:09 AM |
| Total Messages Posted | 15 |
