nixos-module/container/bird: start using multiple ospf instances
parent
1f06e90cfc
commit
692e12f07d
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@ -85,26 +85,16 @@ in
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}
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${lib.optionalString (builtins.match "anon.*" hostName != null) ''
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# BIRD routing table for Wireguard transport
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ipv4 table vpn4_table;
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protocol pipe {
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table master4;
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peer table vpn4_table;
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export filter {
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if net = 0.0.0.0/0 then {
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# Copy default route to vpn4 table
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accept;
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}
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reject;
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};
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}
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# Routing table for Wireguard transport
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# Kernel routing table for Wireguard transport
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protocol kernel VPN4 {
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# "vpn4_table" configured on anon routers
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kernel table 100;
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ipv4 {
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table vpn4_table;
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export all;
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table vpn4_table;
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};
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}
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''}
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@ -135,20 +125,8 @@ in
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# OSPFv2 for site-local IPv4
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protocol ospf v2 ZW4 {
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ipv4 {
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export all;
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import filter {
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export filter {
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if net = 0.0.0.0/0 then {
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${(builtins.foldl' (result: gateway: {
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text = ''
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${result.text}
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if ospf_router_id = ${config.site.net.core.hosts4.${gateway}} then {
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preference = preference + ${toString result.n};
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accept;
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}
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'';
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n = result.n - 10;
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}) { text = ""; n = 900; } config.site.hosts.${hostName}.ospf.allowedUpstreams
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).text}
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reject;
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}
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accept;
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@ -192,23 +170,89 @@ in
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};
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}
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${lib.optionalString isUpstream ''
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# OSPFv2 to advertise my default route
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protocol ospf v2 ZW4_${hostName} {
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ipv4 {
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export filter {
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if net = 0.0.0.0/0 then {
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accept;
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}
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reject;
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};
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};
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area ${config.site.net.core.hosts4.${hostName}} {
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# Enabled on these networks
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networks {
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${builtins.concatStringsSep " " (
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map (n: " ${n};") config.site.ospf.networks4
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)}
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};
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${builtins.concatStringsSep "\n" (
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builtins.attrValues (
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builtins.mapAttrs (net: _:
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# Enable OSPF only on interfaces with a secret.
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lib.optionalString (config.site.net.${net}.ospf.secret != null) ''
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interface "${net}" instance 1 {
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authentication cryptographic;
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password "${config.site.net.${net}.ospf.secret}";
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};
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''
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) hostConf.interfaces
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)
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)}
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};
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}
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''}
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${(
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builtins.foldl' ({ text, instance }: upstream: {
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text = ''
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${text}
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# OSPFv2 to receive a default route
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protocol ospf v2 ZW4_${upstream} {
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ipv4 {
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export filter {
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preference = preference + 100 - ${toString instance};
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accept;
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};
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${lib.optionalString (builtins.match "anon.*" hostName != null) ''
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table vpn4_table;
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''}
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};
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area ${config.site.net.core.hosts4.${upstream}} {
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# Enabled on these networks
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networks {
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${builtins.concatStringsSep " " (
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map (n: " ${n};") config.site.ospf.networks4
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)}
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};
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${builtins.concatStringsSep "\n" (
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builtins.attrValues (
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builtins.mapAttrs (net: _:
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# Enable OSPF only on interfaces with a secret.
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lib.optionalString (config.site.net.${net}.ospf.secret != null) ''
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interface "${net}" instance ${toString instance} {
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authentication cryptographic;
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password "${config.site.net.${net}.ospf.secret}";
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};
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''
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) hostConf.interfaces
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)
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)}
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};
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}
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'';
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instance = instance + 1;
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}) { text = ""; instance = 2; } config.site.hosts.${hostName}.ospf.allowedUpstreams
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).text}
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# OSPFv3 for site-local IPv6
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protocol ospf v3 ZW6 {
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ipv6 {
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export all;
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import filter {
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export filter {
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if net = ::/0 then {
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${(builtins.foldl' (result: gateway: {
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text = ''
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${result.text}
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if ospf_router_id = ${config.site.net.core.hosts4.${gateway}} then {
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preference = preference + ${toString result.n};
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accept;
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}
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'';
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n = result.n - 10;
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}) { text = ""; n = 900; } config.site.hosts.${hostName}.ospf.allowedUpstreams
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).text}
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reject;
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}
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accept;
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@ -254,6 +298,81 @@ in
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};
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}
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${lib.optionalString isUpstream ''
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# OSPFv3 to advertise my default route
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protocol ospf v3 ZW6_${hostName} {
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ipv6 {
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export filter {
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if net = ::/0 then {
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accept;
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}
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reject;
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};
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};
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area ${config.site.net.core.hosts4.${hostName}} {
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# Enabled on these networks
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networks {
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${builtins.concatStringsSep " " (
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map (n: " ${n};") config.site.ospf.networks4
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)}
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};
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${builtins.concatStringsSep "\n" (
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builtins.attrValues (
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builtins.mapAttrs (net: _:
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# Enable OSPF only on interfaces with a secret.
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lib.optionalString (config.site.net.${net}.ospf.secret != null) ''
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interface "${net}" instance 1 {
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authentication cryptographic;
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password "${config.site.net.${net}.ospf.secret}";
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};
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''
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) hostConf.interfaces
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)
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)}
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};
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}
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''}
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${lib.optionalString (builtins.match "anon.*" hostName != null) (
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builtins.foldl' ({ text, instance }: upstream: {
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text = ''
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${text}
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# OSPFv3 to receive a default route
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protocol ospf v3 ZW6_${upstream} {
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ipv6 {
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export filter {
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preference = preference + 100 - ${toString instance};
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accept;
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};
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};
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area ${config.site.net.core.hosts4.${upstream}} {
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# Enabled on these networks
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networks {
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${builtins.concatStringsSep " " (
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map (n: " ${n};") config.site.ospf.networks4
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)}
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};
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${builtins.concatStringsSep "\n" (
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builtins.attrValues (
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builtins.mapAttrs (net: _:
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# Enable OSPF only on interfaces with a secret.
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lib.optionalString (config.site.net.${net}.ospf.secret != null) ''
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interface "${net}" instance ${toString instance} {
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authentication cryptographic;
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password "${config.site.net.${net}.ospf.secret}";
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};
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''
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) hostConf.interfaces
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)
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)}
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};
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}
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'';
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instance = instance + 1;
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}) { text = ""; instance = 2; } config.site.hosts.${hostName}.ospf.allowedUpstreams
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).text}
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# Zentralwerk DN42
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protocol static {
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ipv4;
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