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katerina.dardoufa
Level 4
Level 4
Member since ‎10-18-2009
‎01-22-2026
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  • 493 Posts
  • 2 Solutions
  • 284 Helpful votes Given
  • 150 Helpful votes Received
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Certifications
CyberOps Associate
Cybersecurity Essentials
Introduction to Cybersecurity
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Network Associate Security (CCNA Security)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Professional (CCDP)
Cisco Certified Design Associate (CCDA)
Cisco Certified Design Associate (CCDA)
Cisco Certified Design Associate (CCDA)
Cisco Certified Design Associate (CCDA)
Cisco Certified Design Associate (CCDA)
Cisco Certified Design Associate (CCDA)
Cisco Certified Design Associate (CCDA)
Cisco Certified Design Associate (CCDA)
Cisco Certified Design Associate (CCDA)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)

User Activity

DNAC - Port Capacity Report is empty

08-26-2025
Hi!We are running DNAC Version 2.3.5.5-70026. The port capacity report is always empty, regardless of the utilization value I choose. I am pretty sure that we have access switches with greater than 50% utilization! The devices are managed correctly v...

TrustSec Analytics and Policy Analytics don't show data

08-21-2025
Hi community,We have installed SNA 7.4.2 and there is an existing integration with ISE 3.2.0.542. The TrustSec Analytics and TrustSec Policy Analytics show the SGTs but all cells in the matrix are grayed out (no traffic), even though there is traffic...

Cisco DNA, SNA, netflow and ETA

08-20-2025
Dear Community,I have a few questions regarding DNA/SNA/netflow and ETA... Even though the setup seems to be working fine, I do not fully understand how it all comes to together... Here we go...Our setup has DNAC (Version 2.3.5.5-70026) integrated wi...

15039: Rejected per authorization profile

12-24-2024
Dear community,I am having a problem with dot1x (legacy configuration) on cisco switches 2960X running c2960x-universalk9-mz.152-2.E6.bin.End devices get authorized with dot1x, but at random intervals fail to get authorized with ISE (Version 3.2.0.54...

dot1x authentication fails after switch reboot

11-26-2024
Hi,I have noticed that in some cases when a switch reboots, dot1x authentication fails. This goes on until I disable authentication on the port. If I enable it after some time, everything works fine.  I was thinking of adding all the mac addresses in...
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Community Statistics
Member Since ‎10-18-2009 05:55 AM
Date Last Visited ‎01-22-2026 11:13 AM
Posts 493
Total Helpful Votes Received 150