About jc84_

jc84_ · 07-12-2019

Hey Guys, Hoping to see if anyone has seen this before.... We are running wired 802.1x w/ Cisco Catalyst 3850s, ISE, Windows 10 endpoints behind Avaya IP phones. We have the Avaya phones configured to support 802.1x passthrough w/ loggoff. The behav...

jc84_ · 02-12-2019

We are in the middle of running a pilot for wired 802.1x. We are using Cisco ISE 2.3 and Cisco Catalyst 3850 switches. During some recent troubleshooting I noticed that on 802.1x enabled ports that mac-addresses are showing up as type 'STATIC' inst...

jc84_ · 09-13-2018

Hey All, We currently run Cisco ISE 2.0 in standalone mode and we are looking to upgrade to version 2.3. I've done some reading on the upgrade and it feels straight forward based on the documentation. However, almost every VAR I've talked to is ...

jc84_ · 11-03-2017

Just looking for a confirmation check here - don't do this nearly enough. I have an existing Internet setup w/ (2) routers, connected to (2) ISPs running BGP. The routers each announce the same /24 block to each ISP. The Internet routers have a s...

jc84_ · 01-08-2013

Hi All,A scenario was recently presented to me that involved connecting two SANs between two Data Centers. One of the Data Centers is existing and utilizes Nexus 5K switches while the other Data Center will be greenfield and is currently just a shel...

jc84_ · 09-13-2018

Thanks Paul for the confirmation. To your point - we can definitely lab this all out with little to no risk. We were advised against going to 2.4 - I believe it had something to do with a license change w/ going to 2.0 to 2.4. I questioned it as ...

jc84_ · 09-13-2018

Hi Paul - Thanks for the reply. I thought I remembered reading somewhere that configuration restores needed to be done to ISE instances of the same version - so it wouldn't be possible to restore a 2.0 backup onto 2.3.

jc84_ · 11-04-2017

Hi, The Loopback isn’t addressed from the subnet that the router interfaces are addressed out of. Take a look at the diagram and you will see that the loopbacks would be addressed out of a subnet that is statically routed via the firewall. That ...

jc84_ · 11-03-2017

I should have included this in my original post - which I will edit/update - but the Loopbacks are not for BGP. They are to support a future GRE tunnel.

jc84_ · 10-21-2014

Your good then. Aslong as you don't near the above caveats. Please rate helpful posts.

Member Since	‎12-20-2010 06:01 AM
Date Last Visited	‎07-09-2021 12:30 AM
Posts	69
Total Helpful Votes Received	31

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802.1x w/ EAPoL Logoff - Issue

Wired 802.1x - Monitor Mode - MAC-Addresses showing up Static?

Cisco ISE 2.0 to 2.3 Upgrade

Internet Routing - Loopback Question - Sanity Check

Nexus 5K - Data Center to Data Center

Re: Cisco ISE 2.0 to 2.3 Upgrade

Re: Cisco ISE 2.0 to 2.3 Upgrade

Re: Internet Routing - Loopback Question - Sanity Check

Re: Internet Routing - Loopback Question - Sanity Check

Your good then. Aslong as