Palo Alto Networks (PCNSE) Certification Study Resources
Here I compiled Palo Alto Networks certification study resources. The focus is on PCNSE, but it can apply to other PAN certifications.
Read More →Here I compiled Palo Alto Networks certification study resources. The focus is on PCNSE, but it can apply to other PAN certifications.
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How much actual heads-down time do you or your team really get in a quarter? 🤔
You might be surprised 😯 — it’s far less than most leaders plan for.
The missing link in project management is resource load. These are resources, or individual contributors who are the backbone to a task or project.
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Are Arista switches any good? My review is based on a long history with Cisco and my recent experience with Arista. Do they hold up to Cisco? Let’s take a look.
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The Ubiquiti UDM Pro (Dream Machine) provides excellent failover and load balance with two ISPs. Here, I describe ports, failover, and load balance with 2 ISPs.
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A Ubiquiti UDM Pro (Dream Machine) review by a seasoned Network Engineer. Does it hold up to expectations? My review after purchasing one for my home networks.
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As a manager, I have to change my thinking about data or network security. Also I need to change future of IT certifications, so I chose CISM for my next cert.
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Artificial Intelligence is here and not going anywhere. It will come to be a part of of our lives. This article is about the Network Engineer and ChatGPT.
Read More →Artificial Intelligence is here and not going anywhere. It will come to be a part of of our lives. This article is about the Network Engineer and ChatGPT.
Read More →Artificial Intelligence is here and not going anywhere. It will come to be a part of of our lives. This article is about the Network Engineer and ChatGPT.
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I discuss the use of a custom ACC tab and provide instructions of importing a custom tab. Also, I have a custom ACC tab available for download.
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Hands-on Network Engineers, Architects, and support staff use many tools and parts. Here I list tools and parts I commonly keep handy for local and travel.
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Are routers dead? I tested Internet BGP Peering with GNS3 using an Arista switch instead of Cisco. OSPF and iBGP are used with Palo Alto firewalls.
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Palo Alto Networks firewalls are known for their GUI for management, the CLI is still used. There are some commands used at the CLI for troubleshooting.
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Most Next Generation Firewalls allow security policies to include IP geolocation. But what is IP geolocation? I explain what it is and what can go wrong.
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A PAN firewall configured as a GlobalProtect Portal or Gateway will display a page to download the client. This feature has created some downsides.
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In this post, I will review a basic MLAG configuration on Arista switches and, during the MLAG configuration, compare Cisco’s vPC and MLAG.
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User-ID redistribution with Panorama is a way of sharing this information with multiple devices across the organization’s geographical and cloud infrastructure.
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Network devices and workstations had a 9-pin Serial Port. Today, there are converters for the 9-pin cable, or better, an all-in-one cable.
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Many businesses have more than one Internet connection for redundancy. For redundancy, Most of the topologies in this post include two firewalls and ISPs.
Read More →Are routers dead? I tested Internet BGP Peering with GNS3 using an Arista switch instead of Cisco. OSPF and iBGP are used with Palo Alto firewalls.
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A best practice is to use the Palo Alto Networks External Dynamic Lists (EDL) to block inbound and outbound traffic. Region Codes can be used to block traffic too.
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If you are still using SNMP v1 or v2 you should seriously consider SNMP v3. Here are my notes for SNMP v3 setup of a Arista Switch.
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Here are my notes for the first-time setup of an Arista Switch using the CLI and console. Be aware of VRFs, SVIs, and SSH access.
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If you need to add an additional ISP to a Palo Alto Networks (PAN) firewall with an existing ISP circuit, place the second in its own Virtual Router (VR).
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VPN encryption options have changed over time. I summarized the current ones and what is recommended. Also, made my VPN Request form available.
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Palo Alto Networks provides two external dynamic lists (EDL) for blocking or allowing traffic. The EDL Hosting Service is beneficial for security policies.
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The Palo Alto Networks NGFW supports DNS Proxy. When you configure the firewall as a DNS proxy, it acts as an intermediary between hosts and DNS server(s).
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I created this NX-OS (Nexus) cheat sheet when building out an extensive Nexus switch network that included multiple vPCs, using 5K, 7K, 9K units.
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Cisco VRF (Virtual Routing and Forwarding) is a technology that allows having more than one routing table on a single router or switch.
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