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1 | Building FRR on Ubuntu 12.04LTS from Git Source | |
2 | =============================================== | |
3 | ||
4 | - MPLS is not supported on `Ubuntu 12.04` with default kernel. MPLS requires | |
5 | Linux Kernel 4.5 or higher (LDP can be built, but may have limited use | |
6 | without MPLS) | |
7 | For an updated Ubuntu Kernel, see http://kernel.ubuntu.com/~kernel-ppa/mainline/ | |
8 | ||
9 | Install required packages | |
10 | ------------------------- | |
11 | ||
12 | Add packages: | |
13 | ||
14 | apt-get install git autoconf automake libtool make gawk libreadline-dev texinfo \ | |
15 | dejagnu pkg-config libpam0g-dev libjson-c-dev bison flex python-pytest | |
16 | ||
17 | Get FRR, compile it and install it (from Git) | |
18 | --------------------------------------------- | |
19 | ||
20 | **This assumes you want to build and install FRR from source and not using any packages** | |
21 | ||
22 | ### Add frr groups and user | |
23 | ||
24 | sudo groupadd -g 92 frr | |
25 | sudo groupadd -r -g 85 frrvty | |
26 | sudo adduser --system --ingroup frr --groups frrvty --home /var/run/frr/ \ | |
27 | --gecos "FRR suite" --shell /sbin/nologin frr | |
28 | ||
29 | ### Download Source, configure and compile it | |
30 | (You may prefer different options on configure statement. These are just an example.) | |
31 | ||
32 | git clone https://github.com/freerangerouting/frr.git frr | |
33 | cd frr | |
34 | git checkout stable/2.0 | |
35 | ./bootstrap.sh | |
36 | ./configure \ | |
37 | --enable-exampledir=/usr/share/doc/frr/examples/ \ | |
38 | --localstatedir=/var/run/frr \ | |
39 | --sbindir=/usr/lib/frr \ | |
40 | --sysconfdir=/etc/frr \ | |
41 | --enable-pimd \ | |
42 | --enable-watchfrr \ | |
43 | --enable-ospfclient=yes \ | |
44 | --enable-ospfapi=yes \ | |
45 | --enable-multipath=64 \ | |
46 | --enable-user=frr \ | |
47 | --enable-group=frr \ | |
48 | --enable-vty-group=frrvty \ | |
49 | --enable-configfile-mask=0640 \ | |
50 | --enable-logfile-mask=0640 \ | |
51 | --enable-rtadv \ | |
52 | --enable-tcp-zebra \ | |
53 | --enable-fpm \ | |
54 | --enable-ldpd \ | |
55 | --with-pkg-git-version \ | |
56 | --with-pkg-extra-version=-MyOwnFRRVersion | |
57 | make | |
58 | make check | |
59 | sudo make install | |
60 | ||
61 | ### Create empty FRR configuration files | |
62 | ||
63 | sudo mkdir /var/log/frr | |
64 | sudo chown frr:fee /var/log/frr | |
65 | sudo mkdir /etc/frr | |
66 | sudo touch /etc/frr/etc/zebra.conf | |
67 | sudo touch /etc/frr/etc/bgpd.conf | |
68 | sudo touch /etc/frr/etc/ospfd.conf | |
69 | sudo touch /etc/frr/etc/ospf6d.conf | |
70 | sudo touch /etc/frr/etc/isisd.conf | |
71 | sudo touch /etc/frr/etc/ripd.conf | |
72 | sudo touch /etc/frr/etc/ripngd.conf | |
73 | sudo touch /etc/frr/etc/pimd.conf | |
74 | sudo touch /etc/frr/etc/ldpd.conf | |
75 | sudo chown frr:frr /etc/frr/ | |
76 | sudo touch /etc/frr/etc/vtysh.conf | |
77 | sudo chown frr:frrvty /etc/frr/etc/vtysh.conf | |
78 | sudo chmod 640 /etc/frr/*.conf | |
79 | ||
80 | ### Enable IP & IPv6 forwarding | |
81 | ||
82 | Edit `/etc/sysctl.conf` and uncomment the following values (ignore the other settings) | |
83 | ||
84 | # Uncomment the next line to enable packet forwarding for IPv4 | |
85 | net.ipv4.ip_forward=1 | |
86 | ||
87 | # Uncomment the next line to enable packet forwarding for IPv6 | |
88 | # Enabling this option disables Stateless Address Autoconfiguration | |
89 | # based on Router Advertisements for this host | |
90 | net.ipv6.conf.all.forwarding=1 | |
91 | ||
92 | ### Enable MPLS Forwarding (with Linux Kernel >= 4.5) | |
93 | ||
94 | Edit `/etc/sysctl.conf` and the following lines. Make sure to add a line equal to | |
95 | `net.mpls.conf.eth0.input` or each interface used with MPLS | |
96 | ||
97 | # Enable MPLS Label processing on all interfaces | |
98 | net.mpls.conf.eth0.input=1 | |
99 | net.mpls.conf.eth1.input=1 | |
100 | net.mpls.conf.eth2.input=1 | |
101 | net.mpls.platform_labels=100000 | |
102 | ||
103 | ### Add MPLS kernel modules | |
104 | ||
105 | Add the following lines to `/etc/modules-load.d/modules.conf`: | |
106 | ||
107 | # Load MPLS Kernel Modules | |
108 | mpls-router | |
109 | mpls-iptunnel | |
110 | ||
111 | **Reboot** or use `sysctl` to apply the same config to the running system |