Grasp the network flow[Schematic] How does a Proxy server work? – http GET / https CONNECT method), DNS name order, Role, Advantage –
A proxy server a proxy response server t...
Network Basic
子カテゴリー
- Grasp the network flow
- Must Know As a Network Engineer
- Ethernet
- IP
- TCP/UDP
- Switching
- Routing
- NAT
- Firewall
- 無線LAN (Wi-Fi)
- TLS (former SSL)
- IPsec
- Link Aggregation
- First Hop Redundancy
- ACL
- PPP/PPPoE
- Spanning Tree Protocol(STP)
Grasp the network flowIPAbout tracert (traceroute)
tracert (traceroute) is a tool to verify...
RoutingAbout VRF (Virtual Routing and Forwarding)
About VRF VRF stands for Virtual Routing...
RoutingPolicy-Based-Routing and IPROUTE2
PBR (Policy-Based Routing) I wrote befor...
Link AggregationHow to determine Active port / Standby port by LACP
In LACP, up to 16 Ethernet can be includ...
Link AggregationLACP format and structure
Format of LACP The format of LACP is as ...
Link AggregationWhat is Slow Protocol
When link aggregation and LACP are sta...
Must Know As a Network EngineerOSI Reference Model and IP Set Model
What is OSI Reference Model and IP Set M...
FirewallHow Stateful Inspection Works
What is Stateful Inspection Stateful Ins...
TCP/UDPFormat of UDP
As mentioned before, UDPis light in load...
TCP/UDPReliability of TCP
TCP reliability is implemented with sequ...
TCP/UDPTCP state transition
TCP has an attribute called " State " th...
TCP/UDPTCP connection
The TCP connection starts with 3 way han...
TCP/UDPTCP Options
TCP options is represented as following ...
TCP/UDPTCP segment format
The communication data unit of TCP is of...
TCP/UDPTCP / UDP Overview
TCP/UDP provides a communication channel...
IPWhat is ICMP ~ Difference from layer and TCP, about how to use ~
What is ICMP ICMP stands for Internet Co...
IPWhat is IP address
IP address is the address on network c...
RoutingBroadcast routing
There are two types of IP broadcast. On...
RoutingCause and avoidance design of routing loop
The routing loop is said the state that ...
RoutingRule of routing #5 Recursive Routing
NextHop address of the routing is basi...
RoutingRule of routing #4 Administrative Distance (AD)
About Administrative Distance (AD) Admin...
RoutingRule of routing #3 Longest Match
Consider the network such as the follo...
RoutingRule of routing #2 Packet Discarding
(In Layer 3, ) the cases that incomming ...
RoutingRule of routing #1 Header rewriting
There was no particular change in the ...
RoutingRouting table
In the memory of the NW devices of Layer...
RoutingConfiguring Routing
Although switching can learn the MAC add...
RoutingRouting Overview
The Layer 2 defines communication direct...
SwitchingDifference between MAC address table and ARP table
The difference between the MAC address t...
Grasp the network flowDifferrence between MTU & MSS, IP Fragmentation & TCP Segmentation
Difference between MTU & MSS MTU(Maximu...