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Sergej Barkovski
Level 1
Level 1
Member since ‎06-04-2013
‎07-07-2023
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  • 25 Posts
  • 0 Solutions
  • 21 Helpful votes Given
  • 2 Helpful votes Received
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Certifications
Cisco Certified Network Professional Security (CCNP Security)
Cisco Certified Specialist - Security Identity Management Implementation
Cisco Certified Network Professional Security (CCNP Security)
Cisco Certified Specialist - Security Identity Management Implementation
Cisco Certified Network Professional Security (CCNP Security)
Cisco Certified Specialist - Security Identity Management Implementation
Cisco Certified Network Professional Security (CCNP Security)
Cisco Certified Network Professional Security (CCNP Security)
Cisco Certified Specialist - Security Identity Management Implementation
Cisco Certified Network Professional Security (CCNP Security)
Cisco Certified Specialist - Security Core
Cisco Certified Specialist - Security Core
Cisco Certified Specialist - Security Core
Cisco Certified Specialist - Security Core
Cisco Certified Specialist - Security Core
Cisco Certified Specialist - Security Core
Cisco Certified Specialist - Security Core
Cisco Certified Specialist - Security Core
Cisco Certified Specialist - Security Core
Understanding Cisco Network 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 Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Certified Specialist - Enterprise Core
Cisco Certified Networking Professional -Enterprise
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Certified Specialist - Enterprise Core
Cisco Certified Networking Professional -Enterprise
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Certified Networking Professional -Enterprise
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Certified Specialist - Enterprise Core
Cisco Certified Networking Professional -Enterprise
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Certified Specialist - Enterprise Core
Cisco Certified Networking Professional -Enterprise
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Certified Specialist - Enterprise Core
Cisco Certified Networking Professional -Enterprise
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Certified Specialist - Enterprise Core
Cisco Certified Networking Professional -Enterprise
Cisco Certified Networking Professional -Enterprise
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
CCNA
CCNA
CCNA
CCNA
CCNA
CCNA

User Activity

port-security behavior after moving to a non security port

04-28-2023
Hello all, I would just like to ask, if the described port-secuity behaviour is expected by that feature. A cisco switch catalyst 9200 or 9300 with IOS-XE 17 (behaviour seen on IOS XE 17.3.5 and 17.6.5). Some ports configured with port-security and s...

Replaced standby SUP-7L-E boot as standalone

07-02-2021
ello, c4507R+E chassis had two Sup-7L-E as active and standby units. The standby SUP failed and was replaced with the same model. After the replacement SUP was started it bootet till this moment:Loading image !!!!!!!!!!!!!!!!  Checking digital signat...

Nexus 56128 Infrastructure - ASIC UCF issue

09-30-2020
Hello, we repeatedly got an error in the N5K-56128 logging:2020 Sep 28 22:58:49 DE2C-NX-56128-2 %USER-2-SYSTEM_MSG: A fabric link on crossbar asic 0 has degraded - pacifica2020 Sep 28 23:32:14 DE2C-NX-56128-2 %USER-2-SYSTEM_MSG: A fabric link on cros...

Cat9200: packet capture question

01-22-2020
ello,I'm investigating an issue with a packet loss on catalyst 9200 Stack. I tried a embeeded packet capture, but have some troubles with it. I took a labor switch and tried different capture parameters on it. The secanrio is:Firewall(or another netw...

CNA duplicate entries in the device tree of front panel view

12-08-2017
Hello,   our customer has about twenty switch stacks in CNA community. The CNA version is 6.3.1. The problem is, that on the front panel view in the device tree all switches in a stack are shown twice. First time as a part of stack and after that as ...
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Community Statistics
Member Since ‎06-04-2013 06:24 AM
Date Last Visited ‎07-07-2023 04:48 AM
Posts 25
Total Helpful Votes Received 2
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