Difference between revisions of "Linux command: route"

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(Created page with "Show routing table: route -n Delete route: route del -net 10.0.0.0 netmask 255.0.0.0 gw 192.168.1.254 eth0")
 
 
(4 intermediate revisions by the same user not shown)
Line 4: Line 4:
 
Delete route:
 
Delete route:
 
  route del -net 10.0.0.0 netmask 255.0.0.0 gw 192.168.1.254 eth0
 
  route del -net 10.0.0.0 netmask 255.0.0.0 gw 192.168.1.254 eth0
 +
Add route:
 +
route add -net 15.17.160.0/20 gw 15.17.160.1 metric 10 eth0
 +
 +
Add permanent route 
 +
 +
nano /etc/network/interfaces:
 +
 +
<nowiki>auto eth0
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iface eth0 inet static
 +
      address 192.168.1.2
 +
      netmask 255.255.255.0
 +
      up route add -net 192.168.0.0 netmask 255.255.0.0 gw 192.168.1.1
 +
      up route add -net 172.16.0.0 netmask 255.240.0.0 gw 192.168.1.1</nowiki>
 +
 +
routes.sh
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<source lang=bash>sudo route del -net 0.0.0.0 gw 15.17.160.1 netmask 0.0.0.0 enp9s0
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sudo route add -net 20.1.40.0 netmask 255.255.255.0 gw 15.17.160.1
 +
sudo route add -net 22.0.0.0 netmask 255.255.0.0 gw 15.17.160.1 enp9s0
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sudo ip r a 20.1.30.0/24 via 15.17.160.1 dev enp9s0</source>
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 +
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== fixroute script ==
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<source lang="bash">match=$(route -n | awk '{print $1 " " $2}' | grep '0.0.0.0 172.27.0.1')
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if [ ! -z "$match" ]; then
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    sudo route del -net 0.0.0.0 netmask 0.0.0.0 gw 172.27.0.1 enp0s25 >> /tmp/fixroute.log
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    echo "\033[1;32m Removed route from routing table \033[0;00m"
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    sudo route -n
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else
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    echo "\033[1;31m Route not found: -net 0.0.0.0 netmask 0.0.0.0 gw 172.27.0.1 enp0s25 \033[0;00m"
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    sudo route -n
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fi</source>
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/usr/sbin/routes
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<source lang=bash>
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#!/bin/bash
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echo "Removing routes"
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sudo ip r d default via 15.17.160.1 dev eth0
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echo "Adding routes"
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sudo ip r a 20.1.30.0/24 via 15.17.160.1 dev eth0
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sudo ip r a 20.1.40.0/24 via 15.17.160.1 dev eth0
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sudo ip r a 20.1.43.0/24 via 15.17.160.1 dev eth0
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sudo ip r a 22.0.0.0/16 via 15.17.160.1 dev eth0
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sudo ip r a 20.1.32.0/24 via 15.17.160.1 dev eth0
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sudo ip r a 192.168.45.0/24 via 15.17.160.1 dev eth0
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 +
</source>

Latest revision as of 14:38, 7 November 2018

Show routing table: 

route -n

Delete route: 

route del -net 10.0.0.0 netmask 255.0.0.0 gw 192.168.1.254 eth0

Add route: 

route add -net 15.17.160.0/20 gw 15.17.160.1 metric 10 eth0

Add permanent route 

nano /etc/network/interfaces:

auto eth0
iface eth0 inet static
      address 192.168.1.2
      netmask 255.255.255.0
      up route add -net 192.168.0.0 netmask 255.255.0.0 gw 192.168.1.1
      up route add -net 172.16.0.0 netmask 255.240.0.0 gw 192.168.1.1

routes.sh 

sudo route del -net 0.0.0.0 gw 15.17.160.1 netmask 0.0.0.0 enp9s0
sudo route add -net 20.1.40.0 netmask 255.255.255.0 gw 15.17.160.1
sudo route add -net 22.0.0.0 netmask 255.255.0.0 gw 15.17.160.1 enp9s0
sudo ip r a 20.1.30.0/24 via 15.17.160.1 dev enp9s0


fixroute script[edit]

match=$(route -n | awk '{print $1 " " $2}' | grep '0.0.0.0 172.27.0.1')

if [ ! -z "$match" ]; then
    sudo route del -net 0.0.0.0 netmask 0.0.0.0 gw 172.27.0.1 enp0s25 >> /tmp/fixroute.log
    echo "\033[1;32m Removed route from routing table \033[0;00m"
    sudo route -n
else
    echo "\033[1;31m Route not found: -net 0.0.0.0 netmask 0.0.0.0 gw 172.27.0.1 enp0s25 \033[0;00m"
    sudo route -n
fi

/usr/sbin/routes 

#!/bin/bash
echo "Removing routes"
sudo ip r d default via 15.17.160.1 dev eth0
echo "Adding routes"
sudo ip r a 20.1.30.0/24 via 15.17.160.1 dev eth0
sudo ip r a 20.1.40.0/24 via 15.17.160.1 dev eth0
sudo ip r a 20.1.43.0/24 via 15.17.160.1 dev eth0
sudo ip r a 22.0.0.0/16 via 15.17.160.1 dev eth0
sudo ip r a 20.1.32.0/24 via 15.17.160.1 dev eth0
sudo ip r a 192.168.45.0/24 via 15.17.160.1 dev eth0
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