129 lines
5.1 KiB
Django/Jinja
129 lines
5.1 KiB
Django/Jinja
{# VNET BGP Instance #}
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! Vnet BGP instance
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{% set interfaces_in_vnets = [] %}
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{% block vnet_bgp_instance %}
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{% for vnet_name, vnet_metadata in VNET.iteritems() %}
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router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }} vrf {{ vnet_name }}
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no bgp default ipv4-unicast
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bgp log-neighbor-changes
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bgp bestpath as-path multipath-relax
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no bgp default ipv4-unicast
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bgp graceful-restart restart-time 240
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bgp graceful-restart
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{# Router ID #}
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{% for (name, prefix) in LOOPBACK_INTERFACE | pfx_filter %}
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{% if prefix | ipv4 and name == 'Loopback0' %}
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bgp router-id {{ prefix | ip }}
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{% endif %}
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{% endfor %}
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{# Got interfaces that belong this vnet #}
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{% set interfaces_in_vnet = [] %}
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{% for (key, metadata) in INTERFACE.iteritems() %}
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{% if metadata.has_key("vnet_name") and metadata["vnet_name"] == vnet_name %}
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{% for (name_prefix_pair, metadata) in INTERFACE.iteritems() %}
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{% if key == name_prefix_pair[0] %}
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{% if interfaces_in_vnet.append( name_prefix_pair[1] | ip ) %}
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{% endif %}
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{% if interfaces_in_vnets.append( name_prefix_pair[1] | ip ) %}
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{% endif %}
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{% endif %}
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{% endfor %}
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{% endif %}
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{% endfor %}
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{# Each bgp neighbors #}
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{% for neighbor_addr, bgp_session in BGP_NEIGHBOR.iteritems() %}
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{% if bgp_session.has_key("local_addr") and bgp_session["local_addr"] in interfaces_in_vnet %}
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{% if bgp_session['asn'] | int != 0 %}
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neighbor {{ neighbor_addr }} remote-as {{ bgp_session['asn'] }}
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neighbor {{ neighbor_addr }} description {{ bgp_session['name'] }}
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{# set the bgp neighbor timers if they have not default values #}
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{% if (bgp_session['keepalive'] is defined and bgp_session['keepalive'] | int != 60)
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or (bgp_session['holdtime'] is defined and bgp_session['holdtime'] | int != 180) %}
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neighbor {{ neighbor_addr }} timers {{ bgp_session['keepalive'] }} {{ bgp_session['holdtime'] }}
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{% endif %}
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{% if bgp_session.has_key('admin_status') and bgp_session['admin_status'] == 'down' or not bgp_session.has_key('admin_status') and DEVICE_METADATA['localhost'].has_key('default_bgp_status') and DEVICE_METADATA['localhost']['default_bgp_status'] == 'down' %}
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neighbor {{ neighbor_addr }} shutdown
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{% endif %}
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{% if neighbor_addr | ipv4 %}
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address-family ipv4 unicast
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neighbor {{ neighbor_addr }} activate
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neighbor {{ neighbor_addr }} soft-reconfiguration inbound
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maximum-paths 64
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exit-address-family
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{% endif %}
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address-family l2vpn evpn
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advertise ipv4 unicast
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exit-address-family
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{% endif %}
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{% endif %}
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{% endfor %}
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{% endfor %}
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{% endblock vnet_bgp_instance %}
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{# default bgp #}
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{% block default_bgp_instance %}
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{% block bgp_init %}
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!
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! bgp multiple-instance
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!
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route-map FROM_BGP_SPEAKER_V4 permit 10
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!
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route-map TO_BGP_SPEAKER_V4 deny 10
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!
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router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
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bgp log-neighbor-changes
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bgp bestpath as-path multipath-relax
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no bgp default ipv4-unicast
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bgp graceful-restart restart-time 240
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bgp graceful-restart
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{% for (name, prefix) in LOOPBACK_INTERFACE | pfx_filter %}
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{% if prefix | ipv4 and name == 'Loopback0' %}
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bgp router-id {{ prefix | ip }}
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{% endif %}
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{% endfor %}
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{# advertise loopback #}
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{% for (name, prefix) in LOOPBACK_INTERFACE | pfx_filter %}
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{% if prefix | ipv4 and name == 'Loopback0' %}
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network {{ prefix | ip }}/32
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{% elif prefix | ipv6 and name == 'Loopback0' %}
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address-family ipv6
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network {{ prefix | ip }}/64
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exit-address-family
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{% endif %}
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{% endfor %}
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{% endblock bgp_init %}
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{% block bgp_sessions %}
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{% for neighbor_addr, bgp_session in BGP_NEIGHBOR.iteritems() %}
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{% if not bgp_session.has_key("local_addr") or bgp_session["local_addr"] not in interfaces_in_vnets %}
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{% if bgp_session['asn'] | int != 0 %}
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neighbor {{ neighbor_addr }} remote-as {{ bgp_session['asn'] }}
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neighbor {{ neighbor_addr }} description {{ bgp_session['name'] }}
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{# set the bgp neighbor timers if they have not default values #}
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{% if (bgp_session['keepalive'] is defined and bgp_session['keepalive'] | int != 60)
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or (bgp_session['holdtime'] is defined and bgp_session['holdtime'] | int != 180) %}
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neighbor {{ neighbor_addr }} timers {{ bgp_session['keepalive'] }} {{ bgp_session['holdtime'] }}
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{% endif %}
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{% if bgp_session.has_key('admin_status') and bgp_session['admin_status'] == 'down' or not bgp_session.has_key('admin_status') and DEVICE_METADATA['localhost'].has_key('default_bgp_status') and DEVICE_METADATA['localhost']['default_bgp_status'] == 'down' %}
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neighbor {{ neighbor_addr }} shutdown
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{% endif %}
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{% if bgp_session["asn"] != DEVICE_METADATA['localhost']['bgp_asn'] %}
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{% if neighbor_addr | ipv4 %}
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address-family ipv4 unicast
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neighbor {{ neighbor_addr }} allowas-in 1
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neighbor {{ neighbor_addr }} activate
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neighbor {{ neighbor_addr }} soft-reconfiguration inbound
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maximum-paths 64
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exit-address-family
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{% endif %}
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{% else %}
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address-family l2vpn evpn
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neighbor {{ neighbor_addr }} activate
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advertise-all-vni
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exit-address-family
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{% endif %}
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{% endif %}
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{% endif %}
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{% endfor %}
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{% endblock bgp_sessions %}
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{% endblock default_bgp_instance %}
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