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Networking

Dynamic ARP Inspection with NON-DHCP hosts

Today, We will understand the ARP inspection that how can it impact non DHCP hosts. We are having R1,R3...

Dec 31 · >

OSPFv3 Neighbors do not need to be on same subnet

We will use below topology and different subnet at both end, then we will check the adjacency and try...

Dec 30 · >

TCP Load Balancing Using Destination NAT

In this lesson, we shall use the concept of TCP load balancing inside destination NAT and shall lab this...

Dec 30 · >

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 – Tech Academy

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

Dec 30 · >

Multicast TTL-Threshold – Tech Academy

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

Dec 30 · >

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

Upgrade Palo Alto HA Firewall Pair In this article we shall learn to upgrade Palo Alto NGFW OS which...

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 · >