Route BGP with BIRD

# This is an example configuration file for BIRD Internet Routing Daemon for demonstration purposes only.
# For production use, you should write your own configuration file suitable for your network topology instead.

# Modified from: https://raw.githubusercontent.com/CZ-NIC/bird/v1.6.8/doc/bird.conf.example

# This is the unique identifier of the router,
# change it to your primary IPv4 address.
router id 192.0.2.1;

# This pseudo-protocol performs synchronization between BIRD's routing
# tables and the kernel. If your kernel supports multiple routing tables
# (as Linux 2.2.x does), you can run multiple instances of the kernel
# protocol and synchronize different kernel tables with different BIRD tables.
protocol kernel {
    # learn;			# Learn all alien routes from the kernel
    persist;		    # Don't remove routes on bird shutdown
    scan time 20;		# Scan kernel routing table every 20 seconds
    # import none;		# Default is import all
    export all;		    # Default is export none
}

# This pseudo-protocol watches all interface up/down events.
protocol device {
    scan time 60;		    # Scan interfaces every 60 seconds
}

# Static routes (again, there can be multiple instances, so that you
# can disable/enable various groups of static routes on the fly).
protocol static static_bgp {
    route 192.0.2.0/24 reject;
}

filter misaka_bgp_out {
    if proto = "static_bgp" then accept;
    reject;
}

protocol bgp bgp_misaka {
    # change it to your own ASN number.
    local as 64555;
    export filter misaka_bgp_out;
    # though we provide full table, it's not really necessary to import all routes
    import none;
    multihop;
    neighbor 100.100.0.0 as 57695;
}

# This is an example configuration file for BIRD Internet Routing Daemon for demonstration purposes only.
# For production use, you should write your own configuration file suitable for your network topology instead.

# Modified from: https://github.com/CZ-NIC/bird/blob/v2.0.7/doc/bird.conf.example

# This is the unique identifier of the router,
# change it to your primary IPv4 address.
router id 192.0.2.1;

# The Kernel protocol is not a real routing protocol. Instead of communicating
# with other routers in the network, it performs synchronization of BIRD
# routing tables with the OS kernel. One instance per table.
protocol kernel {
    ipv4 {
        # import all;   # Import to table, default is import all
        export all;     # Export to protocol. default is export none
    };
#	learn;			    # Learn alien routes from the kernel
#	kernel table 10;	# Kernel table to synchronize with (default: main)
}

# Another instance for IPv6, skipping default options
protocol kernel {
    ipv6 { export all; };
}

# The direct protocol is not a real routing protocol. It automatically generates
# direct routes to all network interfaces. Can exist in as many instances as you
# wish if you want to populate multiple routing tables with direct routes.
protocol direct {
    disabled;           # Disable by default
    ipv4;               # Connect to default IPv4 table
    ipv6;               # ... and to default IPv6 table
}

# Static routes (again, there can be multiple instances, so that you
# can disable/enable various groups of static routes on the fly).
protocol static static4_bgp {
    ipv4;			# Again, IPv4 channel with default options
    route 192.0.2.0/24 reject;
}

protocol static static6_bgp {
    ipv6;
    route 2001:db8::/32 reject;
}

filter misaka_bgp4_out {
    if proto = "static4_bgp" then accept;
    reject;
}

filter misaka_bgp6_out {
    if proto = "static6_bgp" then accept;
    reject;
}

protocol bgp bgp4_misaka {
    # change it to your own ASN number.
    local as 64555;
    multihop;
    neighbor 100.100.0.0 as 57695;

    ipv4 {
        # though we provide full table, it's not really necessary to import all routes
        import none;
        export filter misaka_bgp4_out;
    };
}

protocol bgp bgp6_misaka {
    # change it to your own ASN number.
    local as 64555;
    multihop;
    neighbor 2a0b:4342:ffff:: as 57695;

    ipv6 {
        # though we provide full table, it's not really necessary to import all routes
        import none;
        export filter misaka_bgp6_out;
    };
}