About Matthew Martin

Matthew Martin · 09-03-2024

Hello All,In one of our locations we are running the following switch stack as shown below. We would like to remove one of the switches from the stack. I was originally thinking this was going to be a fairly simple process without causing any downtim...

Matthew Martin · 08-27-2024

Hello All,Not sure when this started as I noticed it today while looking at our ISE LiveLogs. I started seeing a whole bunch of failed auths coming through and noticed they were all coming in on the same switchport.The switch is a WS-C4510R+E, runnin...

Matthew Martin · 06-27-2024

Hello All,A little background... We are replacing most of our internal switching for a 3rd party company who is going to be managing our LAN switching and Wi-Fi. But we still want to use ISE as the RADIUS server. They gave us 2 x 48-port switches and...

Matthew Martin · 06-04-2024

I had an 802.1x EAP-TLS Wi-Fi network working in Windows NPS to auth PC's based on a machine certificate on the company laptops.I'm trying to get this working on ISE. But, for some reason I'm being prompted for a Username and Password.I pushed the Wi...

Matthew Martin · 05-16-2024

Hello All,We've recently moved to a new VPN provider and we're at a point now where we are comfortable with this new service and can now disable VPN on the Firewall.We have an FMC managing one FTD providing the VPN access.On our ASA in another locati...

Matthew Martin · 09-04-2024

So I'm pretty sure I understand the process of removing a switch from the stack now. Thanks all who replied!One other thing I'm curious about that I didn't see in any links I found. Once the switch is removed and the stack reloads and comes back up. ...

Matthew Martin · 09-04-2024

Thanks for the reply. What does pressing the mode button do on the Switch? Just curious, I always thought the mode button just shows you different status lights when you click through the modes... Maybe the 9200 is different? I'm not on location ther...

Matthew Martin · 09-04-2024

Hey, thanks for the reply.Ahh ok. If if I understand correctly, then Switch 1, Switch 2 & Switch 3 are able to be determined by the port numbers, i.e. Gi 1/0/xx, 2/0/xx, 3/0/xx. If that's correct, then I know that the switch I want to remove is the o...

Matthew Martin · 08-28-2024

Well it's been about 18 hours or so since I did the shut/no shut on the port and so far it's just the Dell laptop appearing on that port...No idea what caused this... But I guess it's cleared up for now.Thanks for the assistance!

Matthew Martin · 08-27-2024

Thanks for the reply.Yes, VERY ancient...!!! We are actually scrapping the 4510 before the end of the year.Strange indeed... If I clear all the sessions on the port, they don't all come back immediately. When I saw it initially, I cleared it out and ...

Member Since	‎03-30-2011 12:34 PM
Date Last Visited	‎09-03-2024 03:01 PM
Posts	857
Total Helpful Votes Received	123

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Removing a Switch from a Stack

Phantom Authentication Sessions Appearing on a Switchport

NAS Device Type Issue - Guest Wi-Fi

An EAP-TLS Wi-Fi is Aksing for Username and Password

Disable All VPN Access on FTD

Re: Removing a Switch from a Stack

Re: Removing a Switch from a Stack

Re: Removing a Switch from a Stack

Re: Phantom Authentication Sessions Appearing on a Switchport

Re: Phantom Authentication Sessions Appearing on a Switchport