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CompTIA® Linux+ / LPIC-1 Cert Guide: (Exams LX0-103 & LX0-104/101-400 & 102-400) by Sean Walberg, Ross Brunson

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Note

Although not directly related to the route command, if you need to turn on IP forwarding on a host, one of the ways is to echo a “1” into the /proc/sys/net/ipv4/ip_forward file. This effectively turns on the forwarding of traffic between the different interfaces on the machine. For example:

echo 1 > /proc/sys/net/ipv4/ip_forward

DHCP Client Tools

This section assumes that you know how to use DHCP and that you understand that IPs are leased from the DHCP server by the client for a specified period of time, timing out and expiring unless renewed by the client utilities mentioned later in this section.

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Depending ...

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