intro-network3
Packet flow in DHCP
Packet flow in DHCP Packet flow in DHCP relay Here, we will use a diagram to explain the flow of packets in e […]
Contents of DHCP message
Contents of DHCP message Here, we will explain the contents of each frame of DHCPDISCOVER, DHCPOFFER, DHCPREQU […]
BOOTP/DHCP message format
BOOTP/DHCP message format Here, I will explain the message format of DHCP. Since DHCP is upward compatib […]
UDP broadcast relay for DHCP
Effects of UDP broadcasts The DHCP relay agent function can be used to relay DHCP UDP broadcast requests. Whe […]
DHCP relay agent
Problem with multiple DHCP servers on the same segment Here, I will explain the points to note in DHCP redunda […]
How DHCP Works
What is DHCP First, let me give you an overview of DHCP. ◆ What is DHCP? DHCP is an abbreviation for “D […]
multicast addresses
Multicast address (IP address) A multicast address is a special class that does not fit into any of the class […]
SNMP (MIB, Polling/Trap, Message)
SNMP (MIB: Management Information Base) Network devices that support SNMP have a database that stores managem […]
What is SNMP? Manager/Agent
What is SNMP Simple Network Management Protocol (SNMP) is a protocol for monitoring and managing TCP/IP-based […]
POPS before SMTPS, SMTP-AUTH, SMTPS-AUTH
Email authentication (POPS before SMTPS) In APOP before SMTP, the password used for authentication was encrypt […]