Routing example: IPv4

For creating a basic network configuration in IPv4 like it shows in the picture.

ipv4.jpeg

In this example, we will use 3 routers and 2 client PCs.

# /etc/config/network
 
config interface 'lan'
	option ifname 'eth1'
	option proto 'static'
	option ipaddr '172.16.1.1'
	option netmask '255.255.255.0'
 
config interface 'wan'
	option ifname 'eth0'
	option proto 'static'
	option ipaddr '10.1.1.1'
	option netmask '255.255.255.252'
	option gateway '10.1.1.2'
# /etc/config/network
 
config interface 'lan'
	option ifname 'eth0'
	option proto 'static'
	option ipaddr '172.16.2.1'
	option netmask '255.255.255.0'
 
config interface 'wan'
	option ifname 'eth1'
	option proto 'static'
	option ipaddr '10.2.2.1'
	option netmask '255.255.255.252'
	option gateway '10.2.2.2'
# /etc/config/network
 
config interface 'lan1'
	option ifname 'eth0'
	option proto 'static'
	option ipaddr '10.1.1.2'
	option netmask '255.255.255.252'
 
config interface 'lan2'
	option ifname 'eth1'
	option proto 'static'
	option ipaddr '10.2.2.2'
	option netmask '255.255.255.252'
 
config route 'net1'
	option interface 'lan1'
	option target '172.16.1.0'
	option netmask '255.255.255.0'
	option gateway '10.1.1.1'
 
config route 'net2'
	option interface 'lan2'
	option target '172.16.2.0'
	option netmask '255.255.255.0'
	option gateway '10.2.2.1'

For the PCs configuration, we just set up the IP addresses in each station.

# PC1
address 172.16.1.3/24
gateway 172.16.1.1
 
# PC2
address 172.16.2.3/24
gateway 172.16.2.1
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  • Last modified: 2021/02/06 02:00
  • by vgaetera