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d1890d04 | 1 | CentOS 7 |
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2 | ======================================== |
3 | ||
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4 | This document describes installation from source. If you want to build an RPM, |
5 | see :ref:`packaging-redhat`. | |
a63edb35 | 6 | |
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7 | CentOS 7 restrictions: |
8 | ---------------------- | |
9 | ||
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10 | - MPLS is not supported on ``CentOS 7`` with default kernel. MPLS |
11 | requires Linux Kernel 4.5 or higher (LDP can be built, but may have | |
12 | limited use without MPLS) | |
13 | ||
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14 | Install required packages |
15 | ------------------------- | |
ae32b152 | 16 | |
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17 | Add packages: |
18 | ||
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19 | :: |
20 | ||
7d9a2e6d | 21 | sudo yum install git autoconf automake libtool make \ |
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22 | readline-devel texinfo net-snmp-devel groff pkgconfig \ |
23 | json-c-devel pam-devel bison flex pytest c-ares-devel \ | |
ab140d61 | 24 | python-devel python-sphinx libcap-devel \ |
5b08f6f9 | 25 | elfutils-libelf-devel libunwind-devel protobuf-c-devel |
afb8fe93 DL |
26 | |
27 | .. include:: building-libunwind-note.rst | |
278fb111 | 28 | |
fc5a4adc RW |
29 | .. include:: building-libyang.rst |
30 | ||
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31 | Get FRR, compile it and install it (from Git) |
32 | --------------------------------------------- | |
33 | ||
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34 | **This assumes you want to build and install FRR from source and not |
35 | using any packages** | |
36 | ||
37 | Add frr groups and user | |
75ca3b11 | 38 | ^^^^^^^^^^^^^^^^^^^^^^^ |
278fb111 | 39 | |
d1890d04 | 40 | :: |
278fb111 | 41 | |
eb651bbc | 42 | sudo groupadd -g 92 frr |
2f62815f DS |
43 | sudo groupadd -r -g 85 frrvty |
44 | sudo useradd -u 92 -g 92 -M -r -G frrvty -s /sbin/nologin \ | |
447a8fe9 | 45 | -c "FRR FRRouting suite" -d /var/run/frr frr |
278fb111 | 46 | |
d1890d04 | 47 | Download Source, configure and compile it |
75ca3b11 | 48 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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49 | |
50 | (You may prefer different options on configure statement. These are just | |
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51 | an example.) |
52 | ||
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53 | :: |
54 | ||
d6180888 | 55 | git clone https://github.com/frrouting/frr.git frr |
eb651bbc | 56 | cd frr |
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57 | ./bootstrap.sh |
58 | ./configure \ | |
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59 | --bindir=/usr/bin \ |
60 | --sbindir=/usr/lib/frr \ | |
eb651bbc | 61 | --sysconfdir=/etc/frr \ |
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62 | --libdir=/usr/lib/frr \ |
63 | --libexecdir=/usr/lib/frr \ | |
eb651bbc | 64 | --localstatedir=/var/run/frr \ |
a63edb35 | 65 | --with-moduledir=/usr/lib/frr/modules \ |
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66 | --enable-snmp=agentx \ |
67 | --enable-multipath=64 \ | |
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68 | --enable-user=frr \ |
69 | --enable-group=frr \ | |
2f62815f | 70 | --enable-vty-group=frrvty \ |
a63edb35 | 71 | --disable-ldpd \ |
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72 | --enable-fpm \ |
73 | --with-pkg-git-version \ | |
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74 | --with-pkg-extra-version=-MyOwnFRRVersion \ |
75 | SPHINXBUILD=/usr/bin/sphinx-build | |
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76 | make |
77 | make check | |
78 | sudo make install | |
278fb111 | 79 | |
d1890d04 | 80 | Create empty FRR configuration files |
75ca3b11 | 81 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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82 | |
83 | :: | |
84 | ||
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85 | sudo mkdir /var/log/frr |
86 | sudo mkdir /etc/frr | |
87 | sudo touch /etc/frr/zebra.conf | |
88 | sudo touch /etc/frr/bgpd.conf | |
89 | sudo touch /etc/frr/ospfd.conf | |
90 | sudo touch /etc/frr/ospf6d.conf | |
91 | sudo touch /etc/frr/isisd.conf | |
92 | sudo touch /etc/frr/ripd.conf | |
93 | sudo touch /etc/frr/ripngd.conf | |
94 | sudo touch /etc/frr/pimd.conf | |
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95 | sudo touch /etc/frr/nhrpd.conf |
96 | sudo touch /etc/frr/eigrpd.conf | |
97 | sudo touch /etc/frr/babeld.conf | |
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98 | sudo chown -R frr:frr /etc/frr/ |
99 | sudo touch /etc/frr/vtysh.conf | |
2f62815f | 100 | sudo chown frr:frrvty /etc/frr/vtysh.conf |
eb651bbc | 101 | sudo chmod 640 /etc/frr/*.conf |
278fb111 | 102 | |
d1890d04 | 103 | Install daemon config file |
75ca3b11 | 104 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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105 | |
106 | :: | |
107 | ||
6819445c | 108 | sudo install -p -m 644 tools/etc/frr/daemons /etc/frr/ |
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109 | sudo chown frr:frr /etc/frr/daemons |
110 | ||
d1890d04 | 111 | Edit /etc/frr/daemons as needed to select the required daemons |
75ca3b11 | 112 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
a63edb35 | 113 | |
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114 | Look for the section with ``watchfrr_enable=...`` and ``zebra=...`` etc. |
115 | Enable the daemons as required by changing the value to ``yes`` | |
a63edb35 | 116 | |
d1890d04 | 117 | Enable IP & IPv6 forwarding |
75ca3b11 | 118 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
278fb111 | 119 | |
d1890d04 | 120 | Create a new file ``/etc/sysctl.d/90-routing-sysctl.conf`` with the |
eb651bbc | 121 | following content: |
278fb111 | 122 | |
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123 | :: |
124 | ||
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125 | # Sysctl for routing |
126 | # | |
127 | # Routing: We need to forward packets | |
128 | net.ipv4.conf.all.forwarding=1 | |
129 | net.ipv6.conf.all.forwarding=1 | |
130 | ||
56f0bea7 | 131 | Load the modified sysctl's on the system: |
278fb111 | 132 | |
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133 | :: |
134 | ||
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135 | sudo sysctl -p /etc/sysctl.d/90-routing-sysctl.conf |
136 | ||
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137 | Install frr Service |
138 | ^^^^^^^^^^^^^^^^^^^ | |
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139 | |
140 | :: | |
141 | ||
6819445c | 142 | sudo install -p -m 644 tools/frr.service /usr/lib/systemd/system/frr.service |
278fb111 | 143 | |
d1890d04 | 144 | Register the systemd files |
75ca3b11 | 145 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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146 | |
147 | :: | |
148 | ||
a63edb35 | 149 | sudo systemctl preset frr.service |
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150 | |
151 | Enable required frr at startup | |
75ca3b11 | 152 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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153 | |
154 | :: | |
155 | ||
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156 | sudo systemctl enable frr |
157 | ||
d1890d04 | 158 | Reboot or start FRR manually |
75ca3b11 | 159 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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160 | |
161 | :: | |
162 | ||
a63edb35 | 163 | sudo systemctl start frr |