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Check dot1dBasePortIfIndex exists before using it (#14337)

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* Check dot1dBasePortIfIndex exists before using it

Fixes: array_flip(): Can only flip STRING and INTEGER values!

* Update vlans.inc.php

* Update vlans.inc.php
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Jellyfrog 2022-09-12 15:18:43 +02:00 committed by GitHub
parent 881d581448
commit a5b1ef61bc
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1 changed files with 5 additions and 0 deletions
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5
includes/discovery/vlans.inc.php
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@ -22,6 +22,11 @@ $base_to_index = [];
$tmp_base_indexes = snmpwalk_cache_oid($device, 'dot1dBasePortIfIndex', [], 'BRIDGE-MIB');
// flatten the array
foreach ($tmp_base_indexes as $index => $array) {
// Broken SNMP servers can return the wrong data when OID doesn't exist
// So lets sanity check
if (! array_key_exists('dot1dBasePortIfIndex', $array)) {
continue;
}
$base_to_index[$index] = $array['dot1dBasePortIfIndex'];
}
$index_to_base = array_flip($base_to_index);