Networking

How OSPF capability transit can prevent virtual-link routing loops

We will understand the use of capability transit command. By default this enabled. So I will disable it and...

Dec 30 · >

Overlapping/Duplicate AS-External-LSA IDs – Network Rare

The LSA uses the network address as an identifier. If one router is generating multiple Type 5 LSAs with...

Dec 30 · >

Multicast TTL-Threshold – Network Rare

As per books, The TTL of a packet must be higher than the threshold to be forwarded. From the...

Dec 30 · >

Messin Around With Multicast Boundary

We will check below some multicast commands and how these works: We will use below topology: R5—R6—R1—R2—R3—R4 R1 =...

Dec 29 · >

How to add, install or import IOS in GNS3 – Easy Way

In this tutorial explains how to install or import Cisco IOS files in GNS3. Learn how to install, configure...

Nov 16 · >

How to Upgrade Palo Alto HA Firewall Pair to PAN-OS 9.1

In this article we shall learn to upgrade Palo Alto NGFW OS which are deployed in HA Pair. Below...

Oct 15 · >

Palo Alto Interview Questions and Answers

In this post we shall try to answer different Palo Alto technical Interview Questions which might be helpful for...

Oct 13 · >

SD WAN (Software Defined Wide Area Network)

In this tutorial, we shall discuss SD-WAN in detail, from defining what is SD-WAN & How does SD-WAN works?...

Aug 26 · >

What is Network Time Protocol & How to Configure NTP?

NTP stands for Network Time Protocol, which is responsible to sync time to a central location or server.  NTP...

Mar 3 · >

Cisco has announced 50% discount vouchers of written exams 2021

Cisco has announced 50 % discount vouchers of written exams, According to The Cisco Certifications and Training team is...

Feb 24 · >