8.66. IPRoute2-6.13.0

#### Linux From Scratch - Version 12.3-rc2

### Chapter 8. Installing Basic System Software

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# 8.66. IPRoute2-6.13.0

The IPRoute2 package contains programs for basic and advanced IPV4-based networking.

Approximate build time: 0.1 SBU
Required disk space: 17 MB

## 8.66.1. Installation of IPRoute2

The arpd program included in this package will not be built since it depends on Berkeley DB, which is not installed in LFS. However, a directory and a man page for arpd will still be installed. Prevent this by running the commands shown below.

    sed -i /ARPD/d Makefile
    rm -fv man/man8/arpd.8

Compile the package:

    make NETNS_RUN_DIR=/run/netns

This package does not have a working test suite.

Install the package:

    make SBINDIR=/usr/sbin install

If desired, install the documentation:

    install -vDm644 COPYING README* -t /usr/share/doc/iproute2-6.13.0

## 8.66.2. Contents of IPRoute2

Installed programs: bridge, ctstat (link to lnstat), genl, ifstat, ip, lnstat, nstat, routel, rtacct, rtmon, rtpr, rtstat (link to lnstat), ss, and tc
Installed directories: /etc/iproute2, /usr/lib/tc, and /usr/share/doc/iproute2-6.13.0

### Short Descriptions

bridge | Configures network bridges
ctstat | Connection status utility
genl | Generic netlink utility front end
ifstat | Shows interface statistics, including the number of packets transmitted and received, by interface
ip | The main executable. It has several different functions, including these: ip link `<device>` allows users to look at the state of devices and to make changes ip addr allows users to look at addresses and their properties, add new addresses, and delete old ones ip neighbor allows users to look at neighbor bindings and their properties, add new neighbor entries, and delete old ones ip rule allows users to look at the routing policies and change them ip route allows users to look at the routing table and change routing table rules ip tunnel allows users to look at the IP tunnels and their properties, and change them ip maddr allows users to look at the multicast addresses and their properties, and change them ip mroute allows users to set, change, or delete the multicast routing ip monitor allows users to continuously monitor the state of devices, addresses and routes
lnstat | Provides Linux network statistics; it is a generalized and more feature-complete replacement for the old rtstat program
nstat | Displays network statistics
routel | A component of ip route, for listing the routing tables
rtacct | Displays the contents of `/proc/net/rt_acct`
rtmon | Route monitoring utility
rtpr | Converts the output of ip -o into a readable form
rtstat | Route status utility
ss | Similar to the netstat command; shows active connections
tc | Traffic control for Quality of Service (QoS) and Class of Service (CoS) implementations tc qdisc allows users to set up the queueing discipline tc class allows users to set up classes based on the queueing discipline scheduling tc filter allows users to set up the QoS/CoS packet filtering tc monitor can be used to view changes made to Traffic Control in the kernel.

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