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Configuring GRE VPN Tunnel

Posted on January 12, 2021 by bl4ckwidow

Introduction Cisco’s Generic Routing Encapsulation (GRE) protocol is a tunneling protocol that can encapsulate a variety of network layer protocols between two point-to-point links. GRE can allow you to create an overlay network on top of the existing underlay network… Continue Reading →

Network ccna, ccnp, cisco, ciscogre, grevpn, ipv4, router, tunnels, vpn
0

Configuring Access Control Lists

Posted on January 12, 2021 by bl4ckwidow

Introduction IP Access Control lists perform packet filtering to control the movement of packet through a network. In this case, proper rules need to be configured based on established security policies. There are two main types of IP Access Lists… Continue Reading →

Cisco Certifications, Network, Security accesslists, ccna, ccnp, cisco, ciscosecurity, extendedaccesslists, security, standardaccesslists
1

The Basics of Git

Posted on September 10, 2020 by Timothy Matara

Introduction Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Git is easy to learn and has a tiny footprint with lightning fast performance.… Continue Reading →

DevNet dev
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Filter out Public IPs from a list – simple Python script

Posted on August 1, 2020 by Christine.N

Let’s review a simple IP addressing concept. To conserve IPv4 addresses certain blocks of IPs have been curved out of the IPv4 address ranges for use as private IPs. Public IPs are routeable over the internet while private IPs are… Continue Reading →

Network, Network Automation, Python #Pythonfornetworkengineers, networkautomation
0

Using Python script to calculate Network ID

Posted on July 13, 2020 by Christine.N

Let’s look at how to write a simple Python script to calculate the Net-ID given an IP address and a subnet mask. We will work with 10.10.10.65/26. This is the script I will use. Now, let’s go through it step… Continue Reading →

Network Automation, Python networkautomation, python
0

Inter-VLAN Routing using Switch Virtual Interfaces

Posted on June 15, 2020 by bl4ckwidow

Introduction Another way of configuring inter-VLAN routing is through the use of Switch Virtual Interfaces on a multilayer switch whereby we configure virtual interfaces on the switch. However, we will not require a Router to route traffic between multiple vlans.… Continue Reading →

Network ccna, ccnp, cisco, inter-vlan, network, vlans
0

Configuring multiple Routers using a Python script

Posted on June 9, 2020 by Christine.N

Difficulty: Intermediate Hello Everyone, Let’s look at a very simple example below of how we can use Python Programming to log into multiple devices and send configs to them. Preparation. My lab is simulated on GNS3. In my lab, I… Continue Reading →

Network Automation, Python networkautomation, python
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Input Errors and Exception and how they are handled in Python

Posted on June 8, 2020 by Christine.N

Level: Beginner Hello Everybody, Let’s look at a very simple piece of code. This is a function (divisionfunction(a,b)) that accepts two values from a user, divides  the first value by the second value and then prints out the results of… Continue Reading →

Network Automation, Python networkautomation, python
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Configuring Basic DHCPv4 server on a Cisco Router

Posted on May 20, 2020 by bl4ckwidow

The Dynamic Host Configuration Protocol (DHCP) is a network protocol that lets network administrators manage and automate the assignment of IP addresses. Without DHCP, the administrator must manually assign and configure IP addresses, preferred DNS servers, and default gateways. As… Continue Reading →

Cisco Certifications, Network ccna, cisco, dhcp, router
0

Configuring Inter-VLAN Routing (Route-Based)

Posted on April 15, 2020 by bl4ckwidow

In this lab, we are going to configure Inter-VLAN routing on a Cisco Router. We will configure the router to route traffic between multiple VLANs. Introduction By default, a switch will put all ports into VLAN ID 1 which becomes… Continue Reading →

Cisco Certifications, Network ccna, cisco, network, router, switch, vlan

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  • Configuring basic settings on a Cisco Router

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  • Configuring TIG Stack to Monitor pfSense metrics

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  • Configuring GRE VPN Tunnel

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  • Configuring a Basic ASAv Firewall with ASDM

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  • Configuring GRE VPN Tunnel

    January 12, 2021
  • Configuring Access Control Lists

    January 12, 2021
  • The Basics of Git

    September 10, 2020
  • Filter out Public IPs from a list – simple Python script

    August 01, 2020
  • Using Python script to calculate Network ID

    July 13, 2020
cisco ccna network security router networkautomation firewall pfsense ccnp python ciscosecurity ciscoasa vpn switch eve-ng ipsec highavailability clustering carp asdm ciscoasdm influxdb tunnels ciscogre ipv4 extendedaccesslists standardaccesslists dev accesslists #Pythonfornetworkengineers grafana inter-vlan Cisco Certifications dhcp vlan tigstack centos monitoring telegraf vlans grevpn

Recent Posts

  • Configuring GRE VPN Tunnel
  • Configuring Access Control Lists
  • The Basics of Git
  • Filter out Public IPs from a list – simple Python script
  • Using Python script to calculate Network ID

Recent Comments

  • Joseph Otieno Musango on The Basics of Git
  • Configuring Basic DHCPv4 server on a Cisco Router - Labing Overload on Configuring basic settings on a Cisco Router
  • Caitlin Croft on Configuring TIG Stack to Monitor pfSense metrics
  • Configuring Inter-VLAN Routing - Labing Overload on Configuring basic settings on a Cisco Router

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