George Stefanick

Member Since: Apr 24, 2005

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    Best Publication, October 2015

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George Stefanick commented on WEP Security Auth Type on AIR-CT5520-K9-8-2-130-0.aes & WLC-5520-K9 in Other Wireless - Mobility Subjects 1 month ago

I'd say ... crack open a wel crack utility and show them how easy to be owned might change their...

George Stefanick commented on Does an AP retain the configured name when moved to another controller? in Getting Started with Wireless 1 month ago

Sorry, I misunderstood. Once you rename the ap it will keep regalress of the controller it joins....

George Stefanick commented on Does an AP retain the configured name when moved to another controller? in Getting Started with Wireless 1 month ago

If the ap joins the wlc it will remember it but to make sure set the high availability in each wlc. 

George Stefanick commented on HA licensing with 5520 Wireless controller in Getting Started with Wireless 1 month ago

The new license model is RTU. Once you put the controller into secondary the back up WLC will go to...

George Stefanick commented on WEP Security Auth Type on AIR-CT5520-K9-8-2-130-0.aes & WLC-5520-K9 in Other Wireless - Mobility Subjects 1 month ago

May I ask why you need to use wep? I use to break wep for fun many years ago ..

George Stefanick commented on Clients connecting on different radio policy in Other Wireless - Mobility Subjects 1 month ago

Excellent I like the easy ones ! Thanks for supporting the rating system .. 

George Stefanick commented on 2800 AP max clients in Getting Started with Wireless 1 month ago

I may not agree with Leo's exact numbers but his point is it all depends on the application...

George Stefanick commented on Clients connecting on different radio policy in Other Wireless - Mobility Subjects 1 month ago

Double check your rf profiles maybe take the aps out of the group and see what happens. We had a...

George Stefanick commented on Clients connecting on different radio policy in Other Wireless - Mobility Subjects 1 month ago

Yea that's not suppose to do that .. are you using ap groups or rf profiles by chance ?

George Stefanick commented on 7925G phones keep leaving the service area in Wireless IP Voice and Video 1 month ago

Are you using PSK for these phones? 

George Stefanick commented on AP transmit power vs wireless phone transmit power for site survey in Wireless IP Voice and Video 2 months ago

This is more art then science. Generally I always lead with 25mW on the AP TX and ignore the...

George Stefanick commented on Bulk Update Flexconnect and AP Groups in Getting Started with Wireless 2 months ago

I like when Scoot says I'm right.... Maybe me feel special inside :) lol

George Stefanick commented on AP Join vWLC in Other Wireless - Mobility Subjects 2 months ago

Hello This might help and add additional info. But Rasika is correct one should do the trick.

George Stefanick commented on Schedule Guest SSID Broadcasting with CMX redirect to Facebook in Other Wireless - Mobility Subjects 2 months ago

Never done it bot sure if CMX can do it .. I've done time based acls in the past. 

George Stefanick commented on Bulk Update Flexconnect and AP Groups in Getting Started with Wireless 2 months ago

How I did this in the past was script it out. In other words drop it into the CLI. I suppose you...

George Stefanick commented on 7925G/8821 Signal Issue in Wireless IP Voice and Video 2 months ago

The 8821 had a firmware update (SR2) released Thursday.

George Stefanick commented on Cisco Wireless HA box to box failover in Security and Network Management 2 months ago

yea 2 (SSO) pairs .. it would work.  You would likely add the high availability of the 3rd...

George Stefanick commented on Cisco Wireless HA box to box failover in Security and Network Management 2 months ago

You can but you still have a break in the connection and thus a client ap interruption.  Now if...

George Stefanick commented on Too low power level on the 5GHz radio only in Other Wireless - Mobility Subjects 2 months ago

I have 6,000 access points and we do 90% 20 Mhz channels. Its not a waste of money. Once you...

George Stefanick commented on Cisco Wireless HA box to box failover in Security and Network Management 2 months ago

Thats correct there is no SSO client or SSO ap in N+1. You are correct in your understanding. I...

George Stefanick commented on AIR-CAP3702I-D-K9 disassociating intermittently in Getting Started with Wireless 2 months ago

The best way is to be onsite pick a few vocal users and run debugs on their macs and bridges dog it...

George Stefanick commented on Cisco Wireless HA box to box failover in Security and Network Management 2 months ago

Think of SSO like HSRP. Scoot is right you will want to consider N+ redundancy and set the high...

George Stefanick commented on How to subnet an IP address? in Getting Started with LANs 2 months ago

So many folks have their own way of doing subnetting. Having learned all the ways long and short I...

George Stefanick commented on AP's Bouncing Between Primary and Secondary WLC in Other Wireless - Mobility Subjects 2 months ago

Did you set the APS primary and secondary controller IPs in the APs?

George Stefanick commented on Unable to join 1552H to 2504 WLC. in Getting Started with Wireless 2 months ago

If he is running 3700 I would assume he is on 7.6 or better code.  http://www.cisco.com/c/en/us/...

George Stefanick commented on Cisco ONE Licensing in Getting Started with Wireless 2 months ago

If you have the basic Cisco one you will have Prime, ISE and WLC licenses. You can add these to the...

George Stefanick commented on RFID Tag in Other Wireless - Mobility Subjects 2 months ago

I imagine Cisco might get in the game at least from a management side of things. It makes sense if...

George Stefanick commented on MU-MIMO and CSMA/CA in Getting Started with Wireless 2 months ago

Keep in mind users need to support MU, if not then no love. 

George Stefanick commented on Configuring cisco AIR-SAP2602I-E-K9 in Getting Started with Wireless 2 months ago

Yiu could always move the guest dhcp to the inside for testing and see if it improves. If it does...

George Stefanick commented on RFID Tag in Other Wireless - Mobility Subjects 2 months ago

Correct, they dont have one specifically. Cisco supports BLE and WiFi RFID vendors like Aeroscout...

George Stefanick commented on Cisco 5508 Web Filtering in Security and Network Management 2 months ago

Hello Cisco AVC can identify and block traffic.  http://www.cisco.com/c/en/us/products/routers/...

George Stefanick commented on Pros and Cons of Very Small AP Groups in Other Wireless - Mobility Subjects 2 months ago

If you have a lot of small AP groups it can be a management nightmare. Also in the past we had very...

George Stefanick commented on Downgrading Software on LightWeight Access Point in Getting Started with Wireless 2 months ago

The answer is no. I you have 2 controllers you could load newer code to support new model and keep...

George Stefanick commented on Cisco AP send deauth to our device once a 30 mins when enable FT-PSK in WPA2-Personal in Other Wireless - Mobility Subjects 2 months ago

I wonder if this is a roaming issue. I know there is a 4 way handshake bug .. CSCvb93189

George Stefanick commented on Anchor HA using HA SKU in Getting Started with Wireless 2 months ago

Remember there are no APs doing to this box, its used for clients only.  A few options -  1 - Put...

George Stefanick commented on Wlan accesspoint dtls problem in Other Wireless - Mobility Subjects 2 months ago

I agree with David that is one place to look.  Also in the GUI monitor screen there is a button on...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Hi Josh, Yes there are a number of tools we use. AirMagnet Survey - Site survey  AirMagnet XT -...

George Stefanick commented on Webcast video- Lessons learned deploying an all wireless office in Getting Started with Wireless 4 months ago

I would like to thank everyone who took the time and attended my session. If you missed the season...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Thanks for the kind comment. No the 2500 doesn't LAG. Best practice is to have the controller...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Hi Steve, It makes me wonder what your config look like. We have 3700 and I can say we are getting...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Best practice is to keep both on the same switch. 

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Well we can assume these are more consumer grade devices. We know apple iOS and some flavors of...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

On Android it depends how much the vendor exposes. Example if you use a Zebra MC40 they have their...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Hello, Yes  https://supportforums.cisco.com/video/13228656/webcast-video-lessons-learned-...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

If I had to deploy the office again I would not likely use monitor APs, because we already have...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Thank you Im glad you enjoyed it. That is a rather interesting request in that it has to be real...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Wow great question. I think the inner geek in us want as much as we can. Lets pin the needle in the...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Abraham, Thank you for the kind comments Im really glad you enjoyed it. Device testing is a very a...

George Stefanick commented on Ask the Expert: Lessons Learned Deploying an All-Wireless Office in Getting Started with Wireless 4 months ago

Hi Rasika, I think transparency is important. While we had the opportunity to test he 3800 we have...

Bio

Ive been working on wireless since 2000. Focused on Cisco wireless and wired networks. Cisco and CWNP certified.

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George Stefanick's Stats

Points7041
Discussion started 50
Answers marked as Correct 553
Endorsed 17
Content Rated 299

Interests

Wireless IP Voice and Video, Getting Started with Wireless, Wireless - Mobility, Wireless LAN Controller Config Analyzer (WLCCA), Security and Network Management, Other Wireless - Mobility Subjects, LAN, Switching and Routing, Getting Started with LANs
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