<?php

// https://www.iana.org/assignments/bgp-parameters/bgp-parameters.xhtml#bgp-parameters-3
return [
    'error_codes' => [
        0 => 'Reserved',
        1 => 'Message Header Error',
        2 => 'OPEN Message Error',
        3 => 'UPDATE Message Error',
        4 => 'Hold Timer Expired',
        5 => 'Finite State Machine Error',
        6 => 'Cease',
        7 => 'ROUTE-REFRESH Message Error',
    ],
    'error_subcodes' => [
        1 => [
            0 => 'Unspecific',
            1 => 'Connection Not Synchronized',
            2 => 'Bad Message Length',
            3 => 'Bad Message Type',
        ],
        2 => [
            0 => 'Unspecific',
            1 => 'Unsupported Version Number',
            2 => 'Bad Peer AS',
            3 => 'Bad BGP Identifier',
            4 => 'Unsuported Optional Parameter',
            5 => '[Deprecated]',
            6 => 'Unacceptable Hold Time',
            7 => 'Role Mismatch (Temporary BGP Draft)',
        ],
        3 => [
            0 => 'Unspecific',
            1 => 'Malformted Attribute List',
            2 => 'Unrecognized Well-known Attribute',
            3 => 'Missing Well-known Attribute',
            4 => 'Attribute Flags Error',
            5 => 'Attribute Length Error',
            6 => 'Invalid ORIGIN Attribute',
            7 => '[Deprecated]',
            8 => 'Invalid NEXT_HOP Attribute',
            9 => 'Optional Attribute Error',
            10 => 'Invalid Network Field',
            11 => 'Malformed AS_PATH',
        ],
        5 => [
            0 => 'Unspecified Error',
            1 => 'Receive Unexpected Message in OpenSent State',
            2 => 'Receive Unexpected Message in OpenConfirm State',
            3 => 'Receive Unexpected Message in Established State',
        ],
        6 => [
            0 => 'Reserved',
            1 => 'Maximum Number of Prefixes Reached',
            2 => 'Administrative Shutdown',
            3 => 'Peer De-configured',
            4 => 'Administrative Reset',
            5 => 'Connection Rejected',
            6 => 'Other Configuration Change',
            7 => 'Connection Collision Resolution',
            8 => 'Out of Resources',
            9 => 'Hard Reset',
        ],
    ],
];