I'm using arch-linux.
ip route give basically the same information to me.
route takes much more time than
What is the reason?
The difference is in age:
ip, part of the
iproute2 package, is newer and intended to replace older tools such as
Most network configuration manuals still refer to ifconfig and route as the primary network configuration tools, but ifconfig is known to behave inadequately in modern network environments. They should be deprecated, but most distros still include them. Most network configuration systems make use of ifconfig and thus provide a limited feature set. The /etc/net project aims to support most modern network technologies, as it doesn't use ifconfig and allows a system administrator to make use of all iproute2 features, including traffic control.
iproute2 is usually shipped in a package called iproute or iproute2 and consists of several tools, of which the most important are ip and tc. ip controls IPv4 and IPv6 configuration and tc stands for traffic control. Both tools print detailed usage messages and are accompanied by a set of manpages.
As documented by wikipedia,
ip route is intended as the replacement for
ip addr and
ip link will replace