How to Configure EIGRP Named Mode Authentication

 Networking, Security  Comments Off on How to Configure EIGRP Named Mode Authentication
Sep 282022
 
How to Configure EIGRP Named Mode Authentication

In this lab, we’ll configure authentication when running EIGRP in named mode. While classic mode EIGRP offers only MD5 authentication, named mode EIGRP offers both MD5 and HMAC-SHA-256 authentication. HMAC-SHA-256 authentication is, of course, the more secure version. By the way, we can configure authentication between two routers with one Read More

How to Configure DMVPN

 Networking, Security  Comments Off on How to Configure DMVPN
Sep 232022
 
How to Configure DMVPN

Dynamic Multipoint Virtual Private Network (DMVPN) owes its popularity to two primary reasons: scalability and simplicity of configuration. In large organizations with lots of branches, configuring dozens of point-to-point VPN tunnels is an error-prone and cumbersome exercise. So Cisco introduced the DMVPN technology nearly two decades ago. DMVPN finds favor Read More

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IPSEC VTI Site-to-Site VPN

 Networking, Security  Comments Off on IPSEC VTI Site-to-Site VPN
Sep 192022
 
IPSEC VTI Site-to-Site VPN

Let’s configure a VTI site-to-site Virtual Private Network in this lab. In this VPN lab, we’re running IPSEC as the native protocol on the tunnel interface. We’re not using Generic Routing Encapsulation (GRE) in this VPN lab. The lab will also demonstrate use of a dynamic routing protocol (EIGRP) between Read More

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Configure Site-to-Site IKEv2 VPN

 Networking, Security  Comments Off on Configure Site-to-Site IKEv2 VPN
Sep 182022
 
Configure Site-to-Site IKEv2 VPN

Not all Virtual Private Networks (VPNs) are created equal. There are so many flavors of VPNs to boggle the imagination. Purists insist that, strictly speaking, a VPN is not even required to have encryption. Of course, the same purists would concede that IPsec is a must have add-on for a Read More

IPv4 & IPv6 – 13 Differences

 Networking  Comments Off on IPv4 & IPv6 – 13 Differences
Sep 162022
 

Before jumping into the differences between IPv4 and IPv6 addresses, let’s first consider what an IP address is. An IP address (either IPv4 or IPv6) uniquely identifies a host or device on a network, and can be a source or destination address. Your computer, mobile phone, router, Roku box, Layer Read More

Installing VMware Workstation 16 Pro is Easy on Linux Mint 21

 Linux, Virtualization  Comments Off on Installing VMware Workstation 16 Pro is Easy on Linux Mint 21
Sep 052022
 
Installing VMware Workstation 16 Pro is Easy on Linux Mint 21

Understanding the basics of virtualization is a good skill to possess in an age when it seems like everything is going virtual or to the cloud. While Virtualbox may cut it for hobbyists, VMware is the numero uno vendor when it comes to virtualization. If you ask me, VMware is Read More