sonic-buildimage/dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2
pavel-shirshov cdcd20a7b5
[BGP]: Convert ip address to network address for the LOCAL_VLAN filter (#5832)
* [BGP]: Convert ip address to network address for the LOCAL_VLAN prefix filter
2020-11-06 17:47:08 -08:00

117 lines
3.9 KiB
Django/Jinja

{% from "common/functions.conf.j2" import get_ipv4_loopback_address, get_ipv6_loopback_address, get_vnet_interfaces %}
!
! template: bgpd/bgpd.main.conf.j2
!
! bgp multiple-instance
!
! BGP configuration
!
! TSA configuration
!
ip prefix-list PL_LoopbackV4 permit {{ get_ipv4_loopback_address(LOOPBACK_INTERFACE, "Loopback0") | ip }}/32
!
{% if get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback0") != 'None' %}
ipv6 prefix-list PL_LoopbackV6 permit {{ get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback0") | replace('/128', '/64') | ip_network }}/64
{% endif %}
!
{% if VLAN_INTERFACE is defined %}
{% set vnet_intfs = get_vnet_interfaces(VLAN_INTERFACE) %}
{% endif %}
{% for (name, prefix) in VLAN_INTERFACE|pfx_filter %}
{% if prefix | ipv4 and name not in vnet_intfs %}
ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq {{ loop.index * 5 }} permit {{ prefix | ip_network }}/{{ prefix | prefixlen }}
!
{% endif %}
{% endfor %}
{% for (name, prefix) in VLAN_INTERFACE|pfx_filter %}
{% if prefix | ipv6 and name not in vnet_intfs %}
ipv6 prefix-list LOCAL_VLAN_IPV6_PREFIX seq {{ loop.index * 5 }} permit {{ prefix | ip_network }}/{{ prefix | prefixlen }}
!
{% endif %}
{% endfor %}
!
{% if DEVICE_METADATA['localhost']['sub_role'] == 'FrontEnd' or DEVICE_METADATA['localhost']['sub_role'] == 'BackEnd' %}
route-map HIDE_INTERNAL permit 10
set community local-AS
!
{% endif %}
!
router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
!
{% block bgp_init %}
bgp log-neighbor-changes
no bgp default ipv4-unicast
!
{% if constants.bgp.multipath_relax.enabled is defined and constants.bgp.multipath_relax.enabled %}
bgp bestpath as-path multipath-relax
{% endif %}
!
{% if constants.bgp.graceful_restart.enabled is defined and constants.bgp.graceful_restart.enabled %}
bgp graceful-restart restart-time {{ constants.bgp.graceful_restart.restart_time | default(240) }}
bgp graceful-restart
bgp graceful-restart preserve-fw-state
{% endif %}
!
{# set router-id #}
{% if multi_asic() %}
bgp router-id {{ get_ipv4_loopback_address(LOOPBACK_INTERFACE, "Loopback4096") | ip }}
{% else %}
bgp router-id {{ get_ipv4_loopback_address(LOOPBACK_INTERFACE, "Loopback0") | ip }}
{% endif %}
!
{# advertise loopback #}
network {{ get_ipv4_loopback_address(LOOPBACK_INTERFACE, "Loopback0") | ip }}/32
{% if multi_asic() %}
network {{ get_ipv4_loopback_address(LOOPBACK_INTERFACE, "Loopback4096") | ip }}/32 route-map HIDE_INTERNAL
{% endif %}
!
{% if get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback0") != 'None' %}
address-family ipv6
network {{ get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback0") | ip }}/64
exit-address-family
{% endif %}
{% if multi_asic() %}
{% if get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback4096") != 'None' %}
address-family ipv6
network {{ get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback4096") | ip }}/64 route-map HIDE_INTERNAL
exit-address-family
{% endif %}
{% endif %}
{% endblock bgp_init %}
!
{% block vlan_advertisement %}
{% for (name, prefix) in VLAN_INTERFACE|pfx_filter %}
{% if prefix | ipv4 and name not in vnet_intfs %}
network {{ prefix }}
{% elif prefix | ipv6 and name not in vnet_intfs %}
address-family ipv6
network {{ prefix }}
exit-address-family
{% endif %}
{% endfor %}
{% endblock vlan_advertisement %}
!
!
{% if DEVICE_METADATA['localhost']['sub_role'] == 'FrontEnd' %}
address-family ipv4
redistribute connected route-map HIDE_INTERNAL
exit-address-family
address-family ipv6
redistribute connected route-map HIDE_INTERNAL
exit-address-family
{% endif %}
!
{% if constants.bgp.maximum_paths.enabled is defined and constants.bgp.maximum_paths.enabled %}
{% block maximum_paths %}
address-family ipv4
maximum-paths {{ constants.bgp.maximum_paths.ipv4 | default(64) }}
exit-address-family
address-family ipv6
maximum-paths {{ constants.bgp.maximum_paths.ipv6 | default(64) }}
exit-address-family
{% endblock maximum_paths %}
{% endif %}
!
! end of template: bgpd/bgpd.main.conf.j2
!