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interfaces: allow explicit mtu to reach the stf device; closes #2553

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Franco Fichtner 2018-08-13 00:57:33 +02:00
parent adf314a4ab
commit bc3dd5afca
1 changed files with 14 additions and 1 deletions
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15
src/etc/inc/interfaces.inc
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@ -2725,6 +2725,12 @@ function interface_6rd_configure($interface = 'wan', $wancfg)
legacy_interface_create('stf', $stfiface);
legacy_interface_flags($stfiface, 'link2');
$mtu = !empty($wancfg['mtu']) ? $wancfg['mtu'] - 20 : 1280;
if ($mtu > 1480) {
$mtu = 1480;
}
legacy_interface_mtu($stfiface, $mtu);
mwexecf('/sbin/ifconfig %s inet6 %s/%s', array($stfiface, $rd6prefix, $rd6prefixlen + 32 - $wancfg['prefix-6rd-v4plen']));
mwexecf('/sbin/ifconfig %s stfv4br %s', array($stfiface, $wancfg['gateway-6rd']));
mwexecf('/sbin/ifconfig %s stfv4net %s/%s', array($stfiface, $ip4address, $wancfg['prefix-6rd-v4plen']));
@ -2818,7 +2824,14 @@ function interface_6to4_configure($interface = 'wan', $wancfg)
}
legacy_interface_create('stf', $stfiface);
legacy_interface_flags($stfiface, 'link2');
mwexec("/sbin/ifconfig {$stfiface} inet6 {$stflanpr} prefixlen 16");
$mtu = !empty($wancfg['mtu']) ? $wancfg['mtu'] - 20 : 1280;
if ($mtu > 1480) {
$mtu = 1480;
}
legacy_interface_mtu($stfiface, $mtu);
mwexecf('/sbin/ifconfig %s inet6 %s prefixlen 16', array($stfiface, $stflanpr));
/* write out a default router file */
file_put_contents("/tmp/{$wanif}_routerv6", "{$stfbrgw}");