# {% block banner %} # =============== Managed by SONiC Config Engine DO NOT EDIT! =============== # generated from /usr/share/sonic/templates/interfaces.j2 using sonic-cfggen # file: /etc/network/interfaces # {% endblock banner %} {% block mgmt_vrf %} {% if (MGMT_VRF_CONFIG) and (MGMT_VRF_CONFIG['vrf_global']['mgmtVrfEnabled'] == "true") %} auto mgmt iface mgmt vrf-table 5000 # The loopback network interface for mgmt VRF that is required for applications like NTP up ip link add lo-m type dummy up ip link set dev lo-m master mgmt up ip addr add 127.0.0.1/16 dev lo-m up ip link set lo-m up down ip link delete dev lo-m {% endif %} {% endblock mgmt_vrf %} {% block loopback %} # The loopback network interface auto lo iface lo inet loopback address 127.0.0.1 netmask 255.255.0.0 scope host post-up ip addr del 127.0.0.1/8 dev lo pre-down ip addr add 127.0.0.1/8 dev lo {% endblock loopback %} {% block mgmt_interface %} # The management network interface {% if (ZTP_DHCP_DISABLED is not defined) and (ZTP is defined) and (ZTP['mode'] is defined and ZTP['mode']['profile'] == 'active') %} auto eth0 # ZTP out-of-band interface allow-hotplug eth0 {% if ZTP['mode']['ipv4'] == 'true' %} iface eth0 inet dhcp {% endif %} {% if ZTP['mode']['ipv6'] == 'true' %} iface eth0 inet6 dhcp up sysctl net.ipv6.conf.eth0.accept_ra=1 down sysctl net.ipv6.conf.eth0.accept_ra=0 {% endif %} {% if ZTP['mode']['inband'] == 'true' %} {% for port in PORT %} # ZTP in-band interface {{ port }} auto {{ port }} allow-hotplug {{ port }} {% if PORT_DATA['PORT_TABLE:'+port] is defined and PORT_DATA['PORT_TABLE:'+port]['value']['oper_status'] == 'up' %} {% if ZTP['mode']['ipv4'] == 'true' %} iface {{ port }} inet dhcp {% endif %} {% if ZTP['mode']['ipv6'] == 'true' %} iface {{ port }} inet6 dhcp {% endif %} {% endif %} {% endfor %} {% endif %} {% else %} {% if MGMT_INTERFACE %} {% for (name, prefix) in MGMT_INTERFACE|pfx_filter|unique(attribute=0) %} auto {{ name }} {% endfor %} {% for (name, prefix) in MGMT_INTERFACE|pfx_filter %} iface {{ name }} {{ 'inet' if prefix | ipv4 else 'inet6' }} static address {{ prefix | ip }} netmask {{ prefix | netmask if prefix | ipv4 else prefix | prefixlen }} network {{ prefix | network }} broadcast {{ prefix | broadcast }} {% set vrf_table = 'default' %} {% if (MGMT_VRF_CONFIG) and (MGMT_VRF_CONFIG['vrf_global']['mgmtVrfEnabled'] == "true") %} {% set vrf_table = '5000' %} vrf mgmt {% endif %} {% set force_mgmt_route_priority = 32764 %} ########## management network policy routing rules # management port up rules up ip {{ '-4' if prefix | ipv4 else '-6' }} route add default via {{ MGMT_INTERFACE[(name, prefix)]['gwaddr'] }} dev {{ name }} table {{ vrf_table }} metric 201 up ip {{ '-4' if prefix | ipv4 else '-6' }} route add {{ prefix | network }}/{{ prefix | prefixlen }} dev {{ name }} table {{ vrf_table }} up ip {{ '-4' if prefix | ipv4 else '-6' }} rule add pref {{ force_mgmt_route_priority + 1 }} from {{ prefix | ip }}/{{ '32' if prefix | ipv4 else '128' }} table {{ vrf_table }} {% for route in MGMT_INTERFACE[(name, prefix)]['forced_mgmt_routes'] %} up ip {{ '-4' if prefix | ipv4 else '-6' }} rule add pref {{ force_mgmt_route_priority }} to {{ route }} table {{ vrf_table }} {% endfor %} {% if prefix | ipv6 and vrf_table == 'default'%} # IPV6 default table not add to lookup by default, management server need this to access IPV6 address when BGP shutdown up ip -6 rule add pref {{ force_mgmt_route_priority + 3 }} lookup {{ vrf_table }} {% endif %} # management port down rules pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} route delete default via {{ MGMT_INTERFACE[(name, prefix)]['gwaddr'] }} dev {{ name }} table {{ vrf_table }} pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} route delete {{ prefix | network }}/{{ prefix | prefixlen }} dev {{ name }} table {{ vrf_table }} pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} rule delete pref {{ force_mgmt_route_priority + 1 }} from {{ prefix | ip }}/{{ '32' if prefix | ipv4 else '128' }} table {{ vrf_table }} {% for route in MGMT_INTERFACE[(name, prefix)]['forced_mgmt_routes'] %} pre-down ip {{ '-4' if route | ipv4 else '-6' }} rule delete pref {{ force_mgmt_route_priority }} to {{ route }} table {{ vrf_table }} {% endfor %} {% if prefix | ipv6 and vrf_table == 'default'%} pre-down ip -6 rule delete pref {{ force_mgmt_route_priority + 3 }} lookup {{ vrf_table }} {% endif %} {# TODO: COPP policy type rules #} {% endfor %} {% else %} auto eth0 iface eth0 inet dhcp metric 202 {% if (MGMT_VRF_CONFIG) and (MGMT_VRF_CONFIG['vrf_global']['mgmtVrfEnabled'] == "true") %} vrf mgmt {% endif %} iface eth0 inet6 dhcp up sysctl net.ipv6.conf.eth0.accept_ra=1 down sysctl net.ipv6.conf.eth0.accept_ra=0 {% endif %} {% endif %} # source /etc/network/interfaces.d/* # {% endblock mgmt_interface %}