howto/Bird.md
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Bird is a commonly used BGP daemon. This page provides configuration and help to run Bird for dn42.
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-# Simplest configuration possible
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-
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-TODO
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-
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-## Source address selection
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-
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-Bird, like any other routing daemon, inserts routes into the kernel. If you don't specify a source address on the kernel routes, then the kernel will choose for you (and will often choose an address in a transfer subnet, which is not what you want).
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-
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-To specify the source address, you use the `krt_prefsrc` attribute, for instance in the export filter of the kernel protocol:
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-
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- protocol kernel {
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- export filter {
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- krt_prefsrc = 2001:db8:42::1;
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- accept;
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- };
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- }
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-
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-(this also works for IPv4)
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-
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-# Example advanced configurations
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+# Example configurations
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* Replace `<AS>` with your Autonomous System Number
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* Replace `<GATEWAY_IP>` with your gateway ip (the internal dn42 ip address you use on the host, where dn42 is running)