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- About Vasco Costa
Vasco Costa
Beginner
From Lisbon, Portugal
Working in IT since 95
Working with Cisco products since 2004
Love sports: martial arts (1º DAN in TKD and Haindong Gumdo); football (soccer);
Favorite team: Sporting Clube de Portugal
Boyscout for 21 years
Expertise:
CISCO (CSCO10994393)
- CCIE Wireless writen (since 2014); preparing for pratical exam
- Advanced Borderless Network Field Engineer (since 2012)
- Web Security for Field Engineer (since 2012)
- update to CCNP Security (since 2012)
- CCNP Wireless (since 2011)
- CCIP (since 2011)
- CCDP (since 2010)
- CCDA (since 2010)
- CCNA Wireless (since 2010)
- CCNP (since 2010)
- CCSP (since 2008)
- CCNA (since 2005)
CWNP (CWNP672897)
CWNE (since Sep 2017)
CWAP (since Apr 2017)
CWDP (since Apr 2017)
CWNA (since Jan 2017)
EKAHAU
- Certified Wi-Fi Master (since 2016)
- ECSE (since 2015)
From Lisbon, Portugal
Working in IT since 95
Working with Cisco products since 2004
Love sports: martial arts (1º DAN in TKD and Haindong Gumdo); football (soccer);
Favorite team: Sporting Clube de Portugal
Boyscout for 21 years
Expertise:
CISCO (CSCO10994393)
- CCIE Wireless writen (since 2014); preparing for pratical exam
- Advanced Borderless
Recent Badges
Stats
Member since
08-30-2006
120
Posts
5
Helpful
4
Solutions
Certifications
Created by
Vasco Costa
in Wireless Security and Network Management
in Wireless Security and Network Management
07-02-2019
06:20 AM
07-02-2019
06:20 AM
Have you done any site survey? How are you measuring the signals provided by the antennas?
... View more
07-02-2019
04:55 AM
Have you issue the command "show power inline" to confirm that you have enough power to all the APs?
... View more
07-02-2019
04:43 AM
What is the switch? Have you confirm if the switch complies with the PoE requirements of the 3800?
... View more
Created by
Vasco Costa
in Wireless Security and Network Management
in Wireless Security and Network Management
07-02-2019
04:26 AM
07-02-2019
04:26 AM
Issue was traced to a bug in the ISE 2.1. The AP mac addresses were deleted from the MAC auth list. Upgrading the ISE solved the issue
... View more
Created by
Vasco Costa
in Wireless Security and Network Management
in Wireless Security and Network Management
11-07-2018
02:50 AM
11-07-2018
02:50 AM
That's not an option for that customer. And it's very hard to justify that solution since the configuration has been working perfectly well for more than 3 years with all the other AP types. It should also work with the new 2800 or they might consider to change those APs.
... View more
Created by
Vasco Costa
in Wireless Security and Network Management
in Wireless Security and Network Management
11-06-2018
03:07 PM
11-06-2018
03:07 PM
Hi,
I've migrated a couple of 5520 from 8.5.120 to 8.5.135 to solve the CSCvi63043 bug that was afecting some 2802i.
The upgrade solved that bug but now, in 3 out of 4 2802i APs, we noticed that every 15 minutes or so, the APs would loose connection to the WLC and recicled the registration process. After some troubleshooting and config analysis, we noticed that the only difference was the authentication order configured in the 3850 switch port:
with the order set to authentication order mab dot1x the 2802i stays registered in the WLC
with the order set to authentication order dot1x mab the 2802i generate authentication errors until it reauthenticates and registes again in the controller.
Only the 2800 are affected. The other APs type ( 2600, 2700, 1532 ) are working without any issues.
Anyone has seen this behaviour?
... View more
Re: Mobilty Express: 2800AP unjoins con...
in Wireless and Mobility
11-06-2018
10:06 AM
11-06-2018
10:06 AM
I think I'm hitting the same problem.
What config are you running on the switch? do you have MAB?
... View more
Created by
Vasco Costa
in Wireless and Mobility
in Wireless and Mobility
08-17-2018
09:52 AM
08-17-2018
09:52 AM
Are you guys trying making the LAG with stacked switches or does it happen when connecting to just one switch?
It happened again with a 4port lag to a 3 switch stack. 1 port connected to switch 1; 1 port connected on switch 2 and 2 ports connected on switch 3.
But, when we got all the 2500 on a single switch, all four ports were running whithout any problem.
... View more
Created by
Vasco Costa
in Wireless and Mobility
in Wireless and Mobility
04-26-2018
03:43 AM
04-26-2018
03:43 AM
Any update on this issue? A customer reported the same problem (2504 shuts down when he connects ports 3&4) but I've run out of 2504 to test this in my lab.
Have anyone test it by first desibling the PoE on the switch ports and then connecting the ports3&4? Or force the speed and duplex config at both ends instead of leaving it as "auto"?
... View more
Created by
Vasco Costa
in Wireless and Mobility
in Wireless and Mobility
02-20-2018
09:53 AM
02-20-2018
09:53 AM
Be carefull with the code your using .
CSCve86627-Bridging interface mode get reset to 'access' when configure MeshAP from GUI
I know 8.5.120 isn't affected by this bug. Cheers,
Vasco
... View more
02-20-2018
09:39 AM
A single radiation for warehouse? Maybe with 802.11ah but I don't think it's "out there". But even if it did, a single point of radiation would mean that it would also be a single point of failure and knowing the warehouse folk, you'll be in a lot of trouble if that AP would crash or need replacement. :-)
... View more
Re: thanks Ric.
in Wireless Security and Network Management
02-20-2018
03:20 AM
02-20-2018
03:20 AM
Hi,
You have configured a LDAP server but the WLAN is configured to PSK authentication.
show wlan 1
...
Auth Key Management 802.1x.................................. Disabled PSK..................................... Enabled
...
Can you please confirm which method of authentication are you using?
Thanks,
Vasco
... View more
Re: Flexconnect with Active Directory s...
in Other Wireless - Mobility Subjects
02-20-2018
02:43 AM
02-20-2018
02:43 AM
Hi,
Have you solved the problem?
I've stumble on it yesterday. There's requests comming from remote clients, connected to a flex AP but there's nothing getting out from the WLC to the LDAP server. Have you check ldap statistics? Do you get any debug ldap messages?
(cisco-controller) >debug client <MAC Address>
(cisco-controller) >debug aaa ldap enable
(cisco-controller) >show ldap statistics
Kind regards,
Vasco
... View more
Created by
Vasco Costa
in Wireless and Mobility
in Wireless and Mobility
02-16-2018
08:44 AM
02-16-2018
08:44 AM
Have you tried to apply the command "ap-type capwap"to change it back to lightweight or download an ME image through the command "ap-type mobility-express tftp://tftp_ip/me_image.tar ?
... View more
Created by
Vasco Costa
in Wireless Security and Network Management
07-02-2019
07-02-2019
Have you done any site survey?How are you measuring the signals provided
by the antennas?
07-02-2019
Have you issue the command "show power inline" to confirm that you have
enough power to all the APs?
07-02-2019
What is the switch? Have you confirm if the switch complies with the PoE
requirements of the 3800?
07-02-2019
Issue was traced to a bug in the ISE 2.1. The AP mac addresses were
deleted from the MAC auth list.U...
11-07-2018
That's not an option for that customer. And it's very hard to justify
that solution since the config...
11-06-2018
Hi, I've migrated a couple of 5520 from 8.5.120 to 8.5.135 to solve the
CSCvi63043 bug that was afec...
Created by
Vasco Costa
in Wireless and Mobility
11-06-2018
11-06-2018
I think I'm hitting the same problem. What config are you running on the
switch? do you have MAB?
Created by
Vasco Costa
in Wireless and Mobility
08-17-2018
08-17-2018
Are you guys trying making the LAG with stacked switches or does it
happen when connecting to just o...
Created by
Vasco Costa
in Wireless and Mobility
04-26-2018
04-26-2018
Any update on this issue? A customer reported the same problem (2504
shuts down when he connects por...
Created by
Vasco Costa
in Wireless and Mobility
02-20-2018
02-20-2018
Be carefull with the code your using . CSCve86627-Bridging interface
mode get reset to 'access' when...
02-20-2018
A single radiation for warehouse? Maybe with 802.11ah but I don't think
it's "out there". But even i...
02-20-2018
Hi, You have configured a LDAP server but the WLAN is configured to PSK
authentication. show wlan 1 ...
Created by
Vasco Costa
in Other Wireless - Mobility Subjects
02-20-2018
02-20-2018
Hi, Have you solved the problem? I've stumble on it yesterday. There's
requests comming from remote ...
Created by
Vasco Costa
in Wireless and Mobility
02-16-2018
02-16-2018
Have you tried to apply the command "ap-type capwap"to change it back to
lightweight or download an ...
Public Statistics
| Date Registered | 08-30-2006 05:40 AM |
| Date Last Visited | 01-31-2020 05:33 AM |
| Total Messages Posted | 120 |
| Total Helpful Votes Received | 5 |
Helpful Votes Given To
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