"route" - Upate Routing Table

Linux Tutorials - Herong's Tutorial Examples

∟"route" - Upate Routing Table

This section provides a tutorial example on how to use 'route' command to update the routing table currently used in the system.

"route" is a command line tool that allows you to update the network routing table currently used in the system. Here are some examples on using the "route" command:

1. Show me the current routing table:

herong$ route

Kernel IP routing table
Destination     Gateway    Genmask         Flags Metric Ref  Use Iface
default         _gateway   0.0.0.0         UG    100    0      0 eno1
192.168.1.0     0.0.0.0    255.255.255.0   U     100    0      0 eno1
192.168.122.0   0.0.0.0    255.255.255.0   U     0      0      0 virbr0

2. Add a routing entry for a given network:

herong$ sudo route add -net 192.56.76.0 netmask 255.255.255.0 dev eno1

3. Reject all messages for a given network:

herong$ sudo route add -net 224.0.0.0 netmask 240.0.0.0 reject

Table of Contents

About This Book

Introduction to Linux Systems

Cockpit - Web Portal for Administrator

Process Management

Files and Directories

Users and Groups

File Systems

Block Devices and Partitions

LVM (Logical Volume Manager)

Installing CentOS

SELinux - Security-Enhanced Linux

►Network Connection on CentOS

Setup Ethernet Connection on CentOS

Network Firewall Tools on CentOS

"firewalld" and "firewall-cmd" on CentOS

Manage Multiple Firewall Zones

"nftables" and "nft" on CentOS

"iptables" Command on CentOS

"nmap" - Network Mapper on CentOS

Monitor Network Services on CentOS

"ifconfig" - Trace Routes to Remote Host

"traceroute" - Trace Routes to Remote Host

►"route" - Upate Routing Table

"netstat" - Display Network Statistics

"lsof" - List of Open Files

Internet Networking Tools

SSH Protocol and ssh/scp Commands

Software Package Manager on CentOS - DNF and YUM

vsftpd - Very Secure FTP Daemon

LDAP (Lightweight Directory Access Protocol)

Administrative Tasks

References

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