Domain Name System (DNS)
DNS is a host name to IP address translation service. DNS is a distributed database implemented in...
Master Dynamic Host Configuration Protocol (DHCP)
Dynamic Host Configuration Protocol (DHCP) provides one of the most commonly used services in a...
Network Address Translation (NAT) | Static, Dynamic, PAT
To access the Internet, one public IP address is needed, but we can use a private IP address in our...
Gateway Load Balancing Protocol (GLBP)
Gateway Load Balancing Protocol (GLBP) is one of First Hop Redundancy Protocol (FHRP) which...
Virtual Router Redundancy Protocol (VRRP)
VRRP is an open standard protocol, which is used to provide redundancy in a network. It is a...
Hot Standby Router Protocol (HSRP)
Hot Standby Router Protocol (HSRP) is a CISCO proprietary protocol, which provides redundancy for a...
First-hop redundancy protocol (FHRP)
IP routing redundancy is designed to allow for transparent fail-over at the first-hop IP router....
Master OSPF Routing Protocol
Routing protocols basically exchange information so routers can learn routes. The routers learn...
Undo sent email in GMAIL
We’ve all accidentally sent an email too early, without a specific attachment, or to the wrong...
Upgrading Paloalto Firewall, Panorama & Wildfire?
Are you planning to upgrade Panorama managed Paloalto firewall? Is your Paloalto forwarding samples...