2020/2/20/ / Last updated : 2021/10/1/ Gene

Cisco RIP Basic Configuration and Verification Commands

This section describes the commands for configuring and verifying RIP on Cisco routers.
The key point is that routing protocols other than BGP should be enabled on a per-interface basis on the router.

2020/2/19/ / Last updated : 2021/10/5/ Gene

RIP Route Poisoning – Quickly remove unnecessary route information

Route poisoning is to explicitly notify that the network is down by sending RIP route information set to metric 16.
This section explains how route poisoning works.

2020/2/19/ / Last updated : 2021/10/4/ Gene

RIP Timers

The sending and deleting of RIP route information is controlled by RIP timers; this section explains the different types of RIP timers and their meanings.

2020/2/18/ / Last updated : 2021/10/6/ Gene

RIP Split horizon

When sending RIP route information, split-horizon filter is in effect by default.
This section explains how the split-horizon filter works.

2020/1/12/ / Last updated : 2022/3/10/ Gene

How VRRP works

This section explains how VRRP, the default gateway redundancy protocol standardized in RFC3768, works.
The basic concept and mechanism of operation is almost the same as that of Cisco HSRP.

2020/1/10/ / Last updated : 2023/3/7/ Gene

ipconfig command : To verify TCP/IP configurations on Windows OS

The ipconfig command is used to verify TCP/IP configuration on Windows operating systems.
This section describes the format of the ipconfig command and frequently used options.

2020/1/10/ / Last updated : 2022/3/1/ Gene

Configuring and Verifying Cisco HSRP

Describes the configuration and verification commands for Cisco HSRP. In addition to the basic configuration, it covers interface tracking, authentication, and timer configuration

2019/12/25/ / Last updated : 2023/3/10/ Gene

DHCP : Automatically Assign IP Address

DHCP is the protocol used to automatically distribute IP addresses and other TCP/IP configurations.
DHCP is a very commonly used protocol. It is important to understand how it works.

2019/11/6/ / Last updated : 2023/4/4/ Gene

IP(Internet Protocol) : The Most Important Data Transfer Protocol

IP (Internet Protocol) is a data transfer protocol that allows data to be transmitted from one host to another no matter how far apart they are physically. This section explains the data transfer mechanism of IP and the IPv4 header format that makes it possible.

2019/11/5/ / Last updated : 2023/5/22/ Gene

Cisco IP address Configuration and Verification Commands

Configuring an IP address on a router’s interface connects the router to the IP network.Configuring an IP address is an important step in router configuration.Learn more about the IP address configuration commands for Cisco routers.

CCNA