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nazar_y
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Member since ‎07-02-2024
‎09-09-2026
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  • 6 Posts
  • 1 Solutions
  • 2 Helpful votes Given
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CCNA
CCNA: Enterprise Networking, Security, and Automation
CCNA: Switching, Routing, and Wireless Essentials
CCNA: Introduction to Networks

User Activity

IPsec Anti-Replay Errors on ISR 4451 Across Multiple ISPs

08-28-2026
Good afternoon,We are experiencing massive and persistent anti-replay errors:%IPSEC-3-REPLAY_ERROR: IPSec SA receives anti-replay error, DP Handle 11, src_addr 192.168.46.5, dest_addr 192.168.46.3, SPI 0x96ddd296 QFP:0.0 Thread:002 TS:000236450936231...

Cisco FTD Duplicate IP issue on Windows (Proxy ARP, Windows DAD)

08-24-2026
Hello community,I recently ran into a very frustrating "Duplicate IP" issue involving the LINA engine, Proxy ARP, and DAD (Duplicate Address Detection). I managed to fix it in Production, but I cannot replicate the root cause in my Lab environment de...

FTD 6.7.0 Dropping ICMP Fragmentation Needed (Type 3 Code 4)

02-26-2026
Hello Cisco Community,I am facing an issue with a website workpace.kz (hosted on Tilda/Cloudflare) where modern browsers like Chrome fail to connect with an SSL_PROTOCOL_ERROR, while curl and InternetExplorer works fine.Curl output from windows:C:\Us...

High CPU utilization caused by SNMP ENGINE on Catalyst 3750

01-07-2026
Hello!We have encountered an issue. We are running Cisco Catalyst 3750 switches configured in a stack, with IOS version 15.0(2)SE. The following message appears in the logs:000399: Jan 7 15:00:47.267 AQTT: %SYS-1-CPURISINGTHRESHOLD: Threshold: Total ...
Community Statistics
Member Since ‎07-02-2024 05:48 AM
Date Last Visited ‎09-09-2026 10:59 PM
Posts 6
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