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====== Route Command (now ip route) ======
<color darkorange>2016 - updated Jun 2017</color>
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The <color #ed1c24>route</color> command has now been replaced. The command was deprecated some time ago, but continued to be used. The replacement is part of the <color #ed1c24>IP</color> command set.
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Pre CentOS 7 you can still use route, but as of v7 the IP command should be used.
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    ip route
    
    
    default via 192.168.27.254 dev enp4s0f0  proto static  metric 100
    10.0.0.0/8 dev ens513f0  proto kernel  scope link  src 10.0.222.2  metric 100
    11.0.0.0/8 dev ens513f2  proto kernel  scope link  src 11.0.222.4  metric 100
    192.168.27.0/24 dev enp4s0f0  proto kernel  scope link  src 192.168.27.222  metric 100
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The <color red>route</color> command allows dynamic setting of a route from the command line, however using <color red>route</color> without any parameters will show the currently configured routes.
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==== Raspbian ====
Raspbian Jessie on a Raspberry Pi 3 (LAN connected only, no wifi or bluetooth)
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<file>
route

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         137.58.71.254   0.0.0.0         UG    202    0        0 eth0
137.58.68.0     *               255.255.252.0   U     202    0        0 eth0
</file>
Here we can see the default gateway is <color red>137.58.71.254</color> on <color red>eth0</color>
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==== CentOS ====
CentOS 6.6 on a server with 6 network interfaces (only eth0 is physically connected).
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<file>
route

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.5.0     *               255.255.255.0   U     0      0        0 eth4
192.168.4.0     *               255.255.255.0   U     0      0        0 eth2
192.168.4.0     *               255.255.255.0   U     0      0        0 eth3
192.168.3.0     *               255.255.255.0   U     0      0        0 eth1
192.168.27.0    *               255.255.255.0   U     0      0        0 eth0
link-local      *               255.255.0.0     U     1002   0        0 eth2
link-local      *               255.255.0.0     U     1003   0        0 eth3
link-local      *               255.255.0.0     U     1004   0        0 eth4
link-local      *               255.255.0.0     U     1005   0        0 eth5
link-local      *               255.255.0.0     U     1006   0        0 eth0
link-local      *               255.255.0.0     U     1007   0        0 eth1
default         192.168.27.254  0.0.0.0         UG    0      0        0 eth0
</file>
Here we can see the default gateway is <color red>192.168.27.254</color> on <color red>eth0</color>
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testing...