NFS
NFS The NFS (Network File System) service is a service developed by Sun Microsystems for accessing files on a network. The NFS service...
Networks learned through exercises
This site is a site that integrates and renews sites that the administrator has created and operated in the past. Based on the old content, it is compatible with smartphones and tablets. We plan to actively incorporate commentary on YouTube videos. Why don't you learn about networking on this site?
Introduction to networking
PartⅠ
Explains basic network terms and concepts.
PartⅡ
It explains mainly on WAN connection and wireless technology mechanism.
PartⅢ
Explains network services and application services.
PartⅣ
It explains protocols that could not be introduced in Part I to Part III.
BOOTP
What is BOOTP BOOTP (Bootstrap Protocol) is a protocol for configuring hosts that was developed before DHCP. BOOTP is defined in RFC 951 of ...
Problems of DHCP ・DHCP function of network equipment
Problems of DHCP ・DHCP function of network equipment DHCP is a convenient protocol that automatically distributes network configuration inf...
DHCP (segment identification/message)
DHCP (segment identification) By using the DHCP relay function, you can build a network as shown in the figure below. DHCP servers can...
DHCP relay agent
DHCP relay agent Routers block broadcasts instead of forwarding them, so messages cannot reach DHCP servers beyond the router. To solve thi...
DHCP server deployment
Problem with multiple DHCP servers on the same segment If the network is configured to obtain IP addresses automatically, if there is only ...
DHCP (Gratuitous ARP)
DHCP (Gratuitous ARP) Here, I will explain the relationship between Gratuitous ARP and DHCP. Gratuitous ARP is a type of ARP packet that is...
DHCP (operation, lease renewal and release, command)
DHCP behavior The flow of DHCP operation is shown in the figure below. 1. DHCP Discover The client broadcasts "255.255.255.255" and req...
What is DHCP
What is DHCP DHCP is an abbreviation for "Dynamic Host Configuration Protocol", a protocol that automatically assigns information necessary...
TFTP
What is TFTP TFTP stands for "Trivial File Transfer Protocol" and is defined in RFC 1350. "Trivial" means "insignificant", and you can...