I had an issue with the Cisco Security Management Server identifying users. I had the Realm configured, the user Identity agent installed, and everything appeared to be working. The only…
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Description: This document describes a bit of history and functionality of the SNMP protocol for monitoring. SNMP Monitoring and Basic Architecture: SNMP(Simple Network Management Protocol) was developed in the 80s…
What is Hyperconvergence? Hyperconvergence combines the hypervisor, storage, and networking into a single appliance that provides high availability for running virtual machines. This architecture brings simplicity, high availability and scalability…
I came across an issue where the IP phones were not able to keep proper time. After troubleshooting the issue, I found that the DHCP option 42 (NTP server) pointed…
Description: Ever had an ssh session to a Cisco device close as soon as authenticating? This article describes one possible reason for this behavior. No Exec Assuming you have access...
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Description: On January 29th 2017 Cisco announced a critical vulnerability for a wide spectrum of ASA versions. This document describes the details of the vulnerability, how to identify whether you…
Cisco is marketing the ISR 4000 series routers as a replacement for the beloved 2900/3900 and 2800/3800 series routers. I wish this was the case; the ISR 4000 series routers…
