interfaces: the parent may not be an assigned interface

This commit is contained in:
Franco Fichtner 2023-08-16 14:00:47 +02:00
parent b33dd0ae3f
commit faffad558a

View File

@ -2343,13 +2343,16 @@ function interface_configure($verbose = false, $interface = 'wan', $reload = fal
if (strstr($realhwif, 'vlan') || strstr($realhwif, 'qinq')) {
$parent_realif = interface_parent_devices($interface)[0];
$parent_details = $ifconfig_details[$parent_realif];
$parent_mtu = $mtu;
/* configure parent MTU now to avoid silent fail for current interface MTU change */
$parentcfg = $config['interfaces'][convert_real_interface_to_friendly_interface_name($parent_realif)];
$parentcfg = $config['interfaces'][convert_real_interface_to_friendly_interface_name($parent_realif)] ?? [];
if (isset($parentcfg['enable']) && !empty($parentcfg['mtu'])) {
if ($parentcfg['mtu'] != $parent_details['mtu']) {
legacy_interface_mtu($parent_realif, $parentcfg['mtu']);
}
$parent_mtu = $parentcfg['mtu'];
}
if ($parent_mtu != $parent_details['mtu']) {
/* configure parent MTU now to avoid silent fail for current interface MTU change */
legacy_interface_mtu($parent_realif, $parent_mtu);
}
}