• Training : +91 8448440748
  • WhatsApp : +91 8383 961 646
  • info@uninets.com

Category Archive Security

Palo Alto Certifications and their Exam Costs – Palo Alto Guide

Palo Alto firewalls are next generation firewalls which can be utilized to extend the safety of your network. Compared to ancient firewalls that rely on port and protocol information, Palo Alto firewalls permits traffic to be controlled based on content i…

3 Most-in Demand Firewall Certification Courses Training by UniNets

Firewalls are network security devices used to secure a network from unauthorized access. Firewalls can be implemented on software and hardware both. As a leading firewall certification training center in north India, UniNets provide some most-in demand f…

protecting the CAM Table using Port Security

On a Cisco Catalyst Switch, are very specific microchips that are used to copy an Ethernet Frame one an ingress port to an Egress port based on SRC and DST MAC Address. Among one of the other functions of the CAM table is to store the MAC Address Table. I…

understanding tacacs-server directed-request command

I find people getting confused on understanding command “tacacs-server directed-request” on Cisco IOS routers. Lets have a look how does it behaves. Suppose we have two tacacs servers configured on a router. tacacs-server host 10.0.0.1 tacacs-…

802.1x Configuration & Troubleshoot

This Troubleshooting 802.1x document provides the step-by-step procedures that are documented for easy reference and later use for the 802.1X Basic Troubleshooting. The IEEE 802.1X standard defines a client-server-based access control and authentication p…

Configure and Troubleshoot GRE over IPsec VPN with NAT device in between

IPsec is a complex technology and it becomes more complex when a NAT device is in the path between a site to site GRE over IPsec VPN. In my production environment a problem escalated to me stating that site to site IPsec tunnel had not been coming up. Whe…

HSEC-K9 requirement on ISR G2 routers

I came across a scenario where a site was facing slowness, this site was having edge Cisco router 2951 configured with two GRE over IPsec tunnels towards the Data Center. One tunnel was being used as primary and other as secondary for data traffic. Users …