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Use link-local IPv6 address for BGP Peering

This commit is contained in:
Tobias Hachmer 2019-03-25 20:22:55 +01:00
parent 59045bc400
commit 6cc9776c66
No known key found for this signature in database
GPG Key ID: E112788464CA5C60
5 changed files with 3 additions and 41 deletions
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28
inventory/group_vars/all
View File

@ -40,169 +40,141 @@ bgp_groups:
wireguard_networks:
- ipv4: 10.87.253.0/31
ipv6: fd86:b4dc:4b1e:fd::/127
peers:
- lotuswurzel
- spinat
port: 50000
- ipv4: 10.87.253.2/31
ipv6: fd86:b4dc:4b1e:fd::2/127
peers:
- lotuswurzel
- wasserfloh
port: 50001
- ipv4: 10.87.253.4/31
ipv6: fd86:b4dc:4b1e:fd::4/127
peers:
- lotuswurzel
- uffschnitt
port: 50002
- ipv4: 10.87.253.6/31
ipv6: fd86:b4dc:4b1e:fd::6/127
peers:
- lotuswurzel
- ingwer
port: 50003
- ipv4: 10.87.253.8/31
ipv6: fd86:b4dc:4b1e:fd::8/127
peers:
- spinat
- wasserfloh
port: 50004
- ipv4: 10.87.253.10/31
ipv6: fd86:b4dc:4b1e:fd::a/127
peers:
- spinat
- uffschnitt
port: 50005
- ipv4: 10.87.253.12/31
ipv6: fd86:b4dc:4b1e:fd::c/127
peers:
- spinat
- ingwer
port: 50006
- ipv4: 10.87.253.14/31
ipv6: fd86:b4dc:4b1e:fd::e/127
peers:
- ingwer
- wasserfloh
port: 50007
- ipv4: 10.87.253.16/31
ipv6: fd86:b4dc:4b1e:fd::10/127
peers:
- wasserfloh
- uffschnitt
port: 50008
- ipv4: 10.87.253.18/31
ipv6: fd86:b4dc:4b1e:fd::12/127
peers:
- ingwer
- uffschnitt
port: 50009
- ipv4: 10.87.253.20/31
ipv6: fd86:b4dc:4b1e:fd::14/127
peers:
- lotuswurzel
- kichererbse
port: 50010
- ipv4: 10.87.253.22/31
ipv6: fd86:b4dc:4b1e:fd::16/127
peers:
- spinat
- kichererbse
port: 50011
- ipv4: 10.87.253.24/31
ipv6: fd86:b4dc:4b1e:fd::18/127
peers:
- wasserfloh
- kichererbse
port: 50012
- ipv4: 10.87.253.26/31
ipv6: fd86:b4dc:4b1e:fd::1a/127
peers:
- uffschnitt
- kichererbse
port: 50013
- ipv4: 10.87.253.28/31
ipv6: fd86:b4dc:4b1e:fd::1c/127
peers:
- ingwer
- kichererbse
port: 50014
- ipv4: 10.87.253.30/31
ipv6: fd86:b4dc:4b1e:fd::1e/127
peers:
- lotuswurzel
- suesskartoffel
port: 50015
- ipv4: 10.87.253.32/31
ipv6: fd86:b4dc:4b1e:fd::20/127
peers:
- spinat
- suesskartoffel
port: 50016
- ipv4: 10.87.253.34/31
ipv6: fd86:b4dc:4b1e:fd::22/127
peers:
- ingwer
- suesskartoffel
port: 50017
- ipv4: 10.87.253.36/31
ipv6: fd86:b4dc:4b1e:fd::24/127
peers:
- wasserfloh
- suesskartoffel
port: 50018
- ipv4: 10.87.253.38/31
ipv6: fd86:b4dc:4b1e:fd::26/127
peers:
- uffschnitt
- suesskartoffel
port: 50019
- ipv4: 10.87.253.40/31
ipv6: fd86:b4dc:4b1e:fd::28/127
peers:
- kichererbse
- suesskartoffel
port: 50020
- ipv4: 10.87.253.42/31
ipv6: fd86:b4dc:4b1e:fd::2a/127
peers:
- ingwer
- linse
port: 50021
- ipv4: 10.87.253.44/31
ipv6: fd86:b4dc:4b1e:fd::2c/127
peers:
- lotuswurzel
- linse
port: 50022
- ipv4: 10.87.253.46/31
ipv6: fd86:b4dc:4b1e:fd::2e/127
peers:
- spinat
- linse
port: 50023
- ipv4: 10.87.253.48/31
ipv6: fd86:b4dc:4b1e:fd::30/127
peers:
- uffschnitt
- linse
port: 50024
- ipv4: 10.87.253.50/31
ipv6: fd86:b4dc:4b1e:fd::32/127
peers:
- wasserfloh
- linse
port: 50025
- ipv4: 10.87.253.52/31
ipv6: fd86:b4dc:4b1e:fd::34/127
peers:
- suesskartoffel
- linse
port: 50026
- ipv4: 10.87.253.54/31
ipv6: fd86:b4dc:4b1e:fd::36/127
peers:
- kichererbse
- linse

2
roles/network-routing/templates/ffmwu-add-static-routes.sh.j2
View File

@ -6,10 +6,8 @@
{% for network in my_wireguard_networks %}
{% if magic < network.remote_magic %}
/sbin/ip -4 route add {{ network.ipv4 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv4 | ipaddr('address') }} table mwu
/sbin/ip -6 route add {{ network.ipv6 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv6 | ipaddr('network') }} table mwu
{% else %}
/sbin/ip -4 route add {{ network.ipv4 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv4 | ipaddr('1') | ipaddr('address') }} table mwu
/sbin/ip -6 route add {{ network.ipv6 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv6 | ipaddr('1') | ipaddr('address') }} table mwu
{% endif %}
{% endfor %}
{% if server_type == 'gateway' or server_type == 'monitoring' %}

2
roles/network-routing/templates/ffmwu-del-static-routes.sh.j2
View File

@ -6,10 +6,8 @@
{% for network in my_wireguard_networks %}
{% if magic < network.remote_magic %}
/sbin/ip -4 route del {{ network.ipv4 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv4 | ipaddr('address') }} table mwu
/sbin/ip -6 route del {{ network.ipv6 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv6 | ipaddr('network') }} table mwu
{% else %}
/sbin/ip -4 route del {{ network.ipv4 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv4 | ipaddr('1') | ipaddr('address') }} table mwu
/sbin/ip -6 route del {{ network.ipv6 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv6 | ipaddr('1') | ipaddr('address') }} table mwu
{% endif %}
{% endfor %}
{% if server_type == 'gateway' or server_type == 'monitoring' %}

10
roles/service-bird/templates/mwu_ipv6_peers.conf.j2
View File

@ -4,13 +4,9 @@
{% for network in my_wireguard_networks %}
protocol bgp mwu_{{ network.remote }} from ibgp_mwu {
{% if magic < network.remote_magic %}
source address {{ network.ipv6 | ipaddr('network') }};
neighbor {{ network.ipv6 | ipaddr('1') | ipaddr('address') }} as mwu_as;
{% else %}
source address {{ network.ipv6 | ipaddr('1') | ipaddr('address') }};
neighbor {{ network.ipv6 | ipaddr('network') }} as mwu_as;
{% endif %}
interface "wg-{{ network.remote[:11] }}";
source address {{ 'fe80::/64' | ipaddr(magic) | ipaddr('address') }};
neighbor {{ 'fe80::/64' | ipaddr(network.remote_magic) | ipaddr('address') }} as mwu_as;
};
{% endfor %}

2
roles/wireguard/templates/wireguard.j2
View File

@ -12,10 +12,8 @@ iface wg-{{ network.remote[:11] }}
ipv6-addrgen off
{% if magic < network.remote_magic %}
address {{ network.ipv4 | ipaddr('ip/prefix') }}
address {{ network.ipv6 | ipaddr('ip/prefix') }}
{% else %}
address {{ network.ipv4 | ipaddr('1') | ipaddr('ip/prefix') }}
address {{ network.ipv6 | ipaddr('1') | ipaddr('ip/prefix') }}
{% endif %}
address {{ 'fe80::/64' | ipaddr(magic) | ipaddr('ip/prefix') }}
pre-up ip link add dev $IFACE type wireguard