10.36. IPRoute2-2.6.16-060323

#### Cross-Compiled Linux From Scratch - Version 1.0.0rc1-x86

### Chapter 10. Installing Basic System Software

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# 10.36. IPRoute2-2.6.16-060323

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

## 10.36.1. Installation of IPRoute2

The arpd binary included in this package is dependent on Berkeley DB. Because arpd is not a very common requirement on a base Linux system, remove the dependency on Berkeley DB by applying the sed command below. If the arpd binary is needed, instructions for compiling Berkeley DB can be found in the BLFS Book at http://www.linuxfromscratch.org/blfs/view/svn/server/databases.html#db.

    sed -i '/^TARGETS/s@arpd@@g' misc/Makefile

Compile the package:

    make SBINDIR=/sbin

The meaning of the make option:

`SBINDIR=/sbin`

  This ensures that the IPRoute2 binaries will install into `/sbin`. This is the correct location according to the FHS, because some of the IPRoute2 binaries are used by the CLFS-Bootscripts package.

This package does not come with a test suite.

Install the package:

    make SBINDIR=/sbin install

## 10.36.2. Contents of IPRoute2

Installed programs: ctstat (link to lnstat), ifcfg, ifstat, ip, lnstat, nstat, routef, routel, rtacct, rtmon, rtpr, rtstat (link to lnstat), ss, and tc

### Short Descriptions

ctstat | Connection status utility
ifcfg | A shell script wrapper for the ip command
ifstat | Shows the interface statistics, including the amount of transmitted and received packets by interface
ip | The main executable. It has several different functions: 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 continously 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 | Shows network statistics
routef | A component of ip route. This is for flushing the routing tables
routel | A component of ip route. This is 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 back into a readable form
rtstat | Route status utility
ss | Similar to the netstat command; shows active connections
tc | Traffic Controlling Executable; this is for Quality Of Service (QOS) and Class Of Service (COS) implementations tc qdisc allows users to setup the queueing discipline tc class allows users to setup classes based on the queuing discipline scheduling tc estimator allows users to estimate the network flow into a network tc filter allows users to setup the QOS/COS packet filtering tc policy allows users to setup the QOS/COS policies

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