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This commit is contained in:
Leo Krueger 2014-04-26 14:06:52 +02:00
parent 2c090c74ee
commit 076927ec9a
1 changed files with 25 additions and 5 deletions
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30
bird.conf
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@ -8,16 +8,19 @@ router id 10.112.1.1; # REPLACE
### functions ### ### functions ###
# own network
function is_self_net() { function is_self_net() {
return (net ~ [10.112.0.0/16+]); return (net ~ [10.112.0.0/16+]);
} }
# freifunk ip ranges in general
function is_freifunk() { function is_freifunk() {
return net ~ [ 10.0.0.0/8+, return net ~ [ 10.0.0.0/8+,
104.0.0.0/8+ 104.0.0.0/8+
]; ];
} }
# dn42 ip ranges
function is_dn42() { function is_dn42() {
return net ~ [ 172.22.0.0/15+, return net ~ [ 172.22.0.0/15+,
195.160.168.0/23+, 195.160.168.0/23+,
@ -46,7 +49,9 @@ function is_dn42() {
### kernel ### ### kernel ###
protocol kernel kernel_master { # synchronize from bird to main kernel routing table
# nothing in the other direction
protocol kernel k_mast {
scan time 10; scan time 10;
import none; import none;
export filter { export filter {
@ -55,7 +60,9 @@ protocol kernel kernel_master {
}; };
}; };
protocol kernel kernel_ff { # synchronize from birds freifunk table to kernel routing table 42
# nothing in the other direction
protocol kernel k_frei {
scan time 10; scan time 10;
table freifunk; table freifunk;
kernel table 42; kernel table 42;
@ -66,18 +73,23 @@ protocol kernel kernel_ff {
}; };
}; };
# this pseudo-protocol watches all interface up/down events
protocol device { protocol device {
scan time 10; scan time 10;
}; };
### pipes ### ### pipes ###
# sync nothing from main routing table to ebgp
# sync routes (not own network) from ebgp to main routing table
protocol pipe p_maintbl { protocol pipe p_maintbl {
peer table ebgp; peer table ebgp;
import where !is_self_net(); import where !is_self_net();
export none; export none;
}; };
# sync routes (not own network) from ebgp to ibgp
# sync routes (all) from ibgp to ebgp
protocol pipe p_ibgptbl { protocol pipe p_ibgptbl {
table ebgp; table ebgp;
peer table ibgp; peer table ibgp;
@ -85,6 +97,8 @@ protocol pipe p_ibgptbl {
export where !is_self_net(); export where !is_self_net();
}; };
# sync routes (freifunk and dn42) from ibgp to freifunk
# sync nothing from freifunk to ibgp
protocol pipe p_freitbl { protocol pipe p_freitbl {
table ibgp; table ibgp;
peer table freifunk; peer table freifunk;
@ -94,6 +108,7 @@ protocol pipe p_freitbl {
### static routes ### ### static routes ###
# if no openvpn is running, reject everything we do not have a route for
protocol static unreachable_default { protocol static unreachable_default {
route 0.0.0.0/0 reject; route 0.0.0.0/0 reject;
table freifunk; table freifunk;
@ -104,6 +119,8 @@ protocol static static_ffhh {
table ebgp; table ebgp;
}; };
# in hamburg we use a /18 from our /16 in the mesh
# create a route for that in freifunk table
protocol static local_ffhh { protocol static local_ffhh {
route 10.112.0.0/18 via "br-ffhh"; # REPLACE if interface name is not br-ffhh route 10.112.0.0/18 via "br-ffhh"; # REPLACE if interface name is not br-ffhh
table freifunk; table freifunk;
@ -111,6 +128,7 @@ protocol static local_ffhh {
### templates ### ### templates ###
# template for same city freifunk gateways
template bgp locals { template bgp locals {
table ibgp; table ibgp;
local as ownas; local as ownas;
@ -123,16 +141,18 @@ template bgp locals {
next hop self; next hop self;
}; };
# template for icvpn gateways of other cities
template bgp peers { template bgp peers {
local as ownas;
table ebgp; table ebgp;
local as ownas;
# ignore routes for our own network
import where ((is_freifunk() || is_dn42()) && !is_self_net()); import where ((is_freifunk() || is_dn42()) && !is_self_net());
export where (is_freifunk() || is_dn42()); export where (is_freifunk() || is_dn42());
route limit 10000; route limit 10000;
}; };
### local gateways ### ### local gateways ###
# remove entry of this specific gateway # remove entry of gateway where this config is used
protocol bgp srv01 from locals { protocol bgp srv01 from locals {
neighbor 10.112.1.1 as ownas; neighbor 10.112.1.1 as ownas;