What is VLAN? A VLAN is a virtual LAN. VLANs keep different network traffic isolated from each other even if they are on the same physical network. This allows for better security and performance because traffic only flows between the devices that are on the same VLAN. It also makes it easier to manage the … Read more
UDP Port 67 is a key component in modern network infrastructures, allowing vital automatic assignment of IP addresses and configurations to clients. By using a simple broadcast/response protocol, the Bootstrap Protocol (BOOTP) and its successor DHCP dynamically assign addresses without needing human intervention. When a new device boots up on a network, UDP messages to … Read more
Which Port Does the Relay Agent Use When It Sends DHCP Information Back to the Client? The relay agent sends DHCP information back to the client via port 67. Port 67 is a UDP port that serves as the destination address for DHCP messages sent from the relay agent, and it can also be used … Read more
What is HSRP? The Hot Standby Router Protocol (HSRP) is a Cisco-proprietary redundancy protocol that is used to provide redundancy for the default gateway on a network. HSRP provides for automatic failover in the event of router or link failure. In HSRP, a group of routers works together to appear as a single virtual router … Read more
What is MTU in Network? Max Transmission Unit (MTU) is the largest size packet or frame, measured in bytes, that a network can transmit. Any messages larger than the MTU are divided into smaller packets before being sent. The default MTU value is typically 1500 bytes for Ethernet. The easiest way to understand MTU is … Read more