Category Archives: IP Addressing

Stateless DHCPv6 Explained with Example.

Stateless DHCPv6 Server and Client Auto-configuration. DHCPv6 Stateless Configuration is a method used in IPv6 networks to provide additional network configuration information to devices, while the devices generate their own IPv6 addresses independently. Key aspects include: Address Autoconfiguration: Devices configure their own IPv6 addresses using Router Advertisements, a process known as SLAAC (Stateless Address Autoconfiguration). DHCPv6 Server Role:… Read More »

Subnetting IP Address Explained.

Understanding IP Addresses. An IP address is uniquely used to identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each… Read More »

Switch Root Bridge and Port Explained With Examples.

Switch Root Bridge and Port Explained With Examples

Switchport ACLs Explained with Example.

How to Configure Switch Port The Switchport ACL (PACL) feature provides the ability to perform access control on specific Layer 2 ports. ACLs can also be used to control traffic on VLANs. Switch port ACLs can only be applied to Layer 2 interfaces in the inbound direction, and this controls traffic via IP access Lists. Switch port ACL application… Read More »

Switchport Security Explained with Example.

What is Switchport Security? Switchport security is a feature used in network switches, particularly in Cisco devices, to provide a layer of security at the switch port level. This feature helps in preventing unauthorized access to the network by controlling which devices are allowed to connect to each switch port. It is particularly relevant in environments where network… Read More »