Parse PySNMP Object Identities for MIB Variable Names
After using SNMP to query a remote device for a particular ObjectType and getting the response ObjectType (which includes the MIB identity and the correspond...
Recent Posts
Secure Queries with SNMPv3 and PySNMP
The information obtained with SNMP from network devices ranges from being simple timeseries type data like interface metrics to complex and sensitive status ...
Bulk Data Gathering with PySNMP nextCmd and bulkCmd
Up until now my articles (PySNMP HLAPI, Compiling MIB’s for PySNMP) have focused on using simple SNMP GET requests with PySNMP’s getCmd. This works great for...
Compiling SNMP MIB’s for PySNMP
The ability to refer to a SNMP MIB variable by name is an important aspect for increasing readability and understanding of your Python scripts. PySNMP comes ...
SNMP Queries with PySNMP High-Level API
I’ve previously written about PySNMP’s simpler SNMP query using one-liner command generator as a method to send SNMP queries using an OID. That method allows...
The Role of Network Security to Fight Log4Shell
December 9th, 2021 rocked the world for a significant number of IT professionals responsible for building and protecting applications their organizations cre...
Cisco ISE 2.4 to 3.0 Upgrade Procedure
If you have ever read through Cisco ISE 3.0 Upgrade Guide you know that it involves a lot of decision points and having to reference many other Cisco referen...
Cisco IOS XE Netconf and Restconf Authentication Bypass Vulnerability
Earlier this week Cisco announced in its semiannual Cisco IOS and IOS XE bundled software security advisory publication some very concerning security advisor...
Best Practices for Safe Ansible Playbook Execution
Ansible can be a very powerful automation tool, allowing you to interact with hundreds or thousands of network devices at once. The automation is defined thr...
A Practical Guide to Deploying SAML for AnyConnect (External)
The pandemic has rapidly advanced the need for high-quality and secure remote access VPN solutions (RAVPN). As a result, many RAVPN solutions provided by ven...
Simple SNMP Queries with Python
The need to query network devices for information on a repeated and consistent basis always been a critical function of performing network management. Monito...
Using Ansible Inventory Files in Python Scripts
With the various methods for performing network automation, one of the challenging aspects to consider is inventory management. One of the tools available to...
How to Upgrade Cisco ASA Firewalls (External)
With the ever increasing number of vulnerabilities and security advisories that are released by networking vendors, having a well defined plan for performing...
Increase Network Change Implementation Success (External)
Having worked in the Network Management / Operations industry for over 15 years, I have been involved in the implementation of network changes on many ocassi...
Exploring NETCONF and YANG on Cisco IOS-XE
I have been reading up on model-driven programmability using NETCONF and YANG models and found myself playing around with these after a Reddit user was havin...
Base64 Encoding with HTTP Basic Auth for API’s
I have been exploring the Cisco DNA Center REST API as part of studying for the Cisco Certified DevNet Associate certification exam. Today while reading thro...
Initial Thoughts on Cisco NFVIS API
With multiple Cisco NFVIS software upgrades planned in the near future I thought I would explore the API to see how this might help speed up the process. My ...
Overview of the Viptela vManage API
The move away from decentralized management of network devices has been a huge time saver when it comes to gathering data on these technologies. Although the...
The Role of Automated Health Checks
The increasing complexity of network infrastructure devices has drastically changed what is required to perform a thorough health check to ensure it is opera...
A Guide to Cisco Support API’s - Part 2 - EoX
The Cisco Support API’s provide some very useful end-points that enable you to gain efficiencies on managing your Cisco hardware and software inventory. In t...
A Guide to Cisco Support API’s - Part 1
Managing your network infrastructure hardware, software and maintenance lifecycle workflow tends to be a painful process. It means gathering large amounts of...
Welcome!
Welcome to my site! I’m looking forward to sharing all sorts of exciting posts on networking technologies and automation. I have a particular interest in SD-...