Arvin Robel

Citrix Netscaler SSL Setup

001 Netscaler SSL Setup Overview   The NetScaler appliance provides several methods for handling SSL/TLS traffic, each with a different approach to encryption and decryption.  Here is a summary of the three NetScaler SSL deployment modes: SSL offloading: With SSL offloading, the NetScaler appliance terminates the secure SSL/TLS connection from the client and decrypts the traffic. It […]

Citrix Netscaler SSL Setup Read More »

DNAC Wireless

001 WLC Management in DNAC Cisco DNA Center Overview Cisco DNA Center (DNAC) supports a range of wireless controllers, primarily the Catalyst 9800 Series, as well as older Catalyst 3504, 5520, and 8540 WLCs, and those running Catalyst WLC software (IOS XE). Compatibility Matrix Netconf Overview The purpose of the Network Configuration Protocol (NETCONF) is

DNAC Wireless Read More »

Django Introduction

001 What & Why Django?   Before jumping into Django, let’s step back. First question: What is a web framework? In simple words, a web framework is a tool that helps you build websites or web applications faster. Instead of writing everything from scratch, like handling requests, connecting to a database, managing security, or rendering

Django Introduction Read More »

The Core of Web Development (HTML, CSS, and JavaScript)

When building a webpage, HTML provides the structure. It’s where you define the basic elements of the page, like the , , and various other tags that organize content. CSS comes in to define how those elements should appear visually on the page. It handles styling—everything from colors and fonts to positioning and layout. CSS

The Core of Web Development (HTML, CSS, and JavaScript) Read More »

GRE vs IPSEC

GRE over IPsec and IPsec over GRE are both tunneling configurations, but they have key differences in implementation and use cases. Key Differences When you apply crypto map directly on the GRE tunnel interface, IPSec encapulates the interesting traffic and then this IPSec packet is placed into GRE. interface Tunnel0 crypto map CMAP —————-> IPSec over GRE When

GRE vs IPSEC Read More »

Cisco Application Centric Infrastructure (ACI) Simulator

Step 1: Download all of acisim ver. 5.2-4d parts(1 to 8). Step 2: Combine all of the OVA files into a single OVA file after downloading them. C:\Users\reals\Downloads\ACI_SIM_VM>dir Directory of C:\Users\reals\Downloads\ACI_SIM_VM 02/20/2023 12:23 AM . 02/20/2023 12:23 AM .. 02/18/2023 02:42 PM 10,391,771,840 acisim-5.2-4d_part1.ova 02/18/2023 06:34 PM 10,391,771,840 acisim-5.2-4d_part2.ova 02/19/2023 01:42 AM 10,391,771,840 acisim-5.2-4d_part3.ova 02/19/2023 11:32 AM

Cisco Application Centric Infrastructure (ACI) Simulator Read More »

Ansible Module in Configuring ACL

I just recently learned about this module, which is both powerful and allows me to simplify my code for updating ACL. There are numerous states/actions available depending on your requirements. refer to ansible link. https://docs.ansible.com/ansible/latest/collections/cisco/ios/ios_acls_module.html One of my use cases is to create a proposed configuration that parse data from a file and run it.

Ansible Module in Configuring ACL Read More »

Nexus 9k Basic Configuration

1. Start the node Start the node Starting Auto Provisioning … Done Abort Power On Auto Provisioning yes – continue with normal setup, skip – bypass password and basic configuration, no – continue with Power On Auto Provisioning[no]: 2021 Feb 13 18:37:29 switch %$ VDC-1 %$ %POAP-2-POAP_INITED: [9MKTS0RQ5N5-50:00:00:02:00:07] – POAP process initialized Abort Power On Auto

Nexus 9k Basic Configuration Read More »