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Disable WAN Interface on CARP Backup
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| #!/usr/local/bin/php | |
| <?php | |
| require_once("config.inc"); | |
| require_once("interfaces.inc"); | |
| require_once("util.inc"); | |
| $subsystem = !empty($argv[1]) ? $argv[1] : ''; | |
| $type = !empty($argv[2]) ? $argv[2] : ''; | |
| if ($type != 'MASTER' && $type != 'BACKUP' && $type != 'INIT') { | |
| log_error("Carp '$type' event unknown from source '{$subsystem}'"); | |
| exit(1); | |
| } | |
| if (!strstr($subsystem, '@')) { | |
| log_error("Carp '$type' event triggered from wrong source '{$subsystem}'"); | |
| exit(1); | |
| } | |
| $ifkey = 'wan'; | |
| $lan_vip = 'YOUR_CARP_LAN_VIP'; | |
| if ($type === "MASTER") { | |
| log_error("Enable interface '$ifkey' due CARP event '$type'"); | |
| $config['interfaces'][$ifkey]['enable'] = '1'; | |
| write_config("Enable interface '$ifkey' due CARP event '$type'", false); | |
| interface_configure(false, $ifkey, false, false); | |
| } else if ($type === "BACKUP") { | |
| log_error("Disable interface '$ifkey' due CARP event '$type'"); | |
| unset($config['interfaces'][$ifkey]['enable']); | |
| write_config("Disable interface '$ifkey' due CARP event '$type'", false); | |
| interface_configure(false, $ifkey, false, false); | |
| exec('/sbin/route del default >&1', $ifc, $ret); | |
| exec('/sbin/route add default ' . $lan_vip . ' >&1', $ifc, $ret); | |
| } | |
| ?> |
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Original script : https://gist.github.com/spali/2da4f23e488219504b2ada12ac59a7dc
I had problems with my backup node not getting internet access back after being promoted primary and then demoted to backup again like explained here : https://gist.github.com/spali/2da4f23e488219504b2ada12ac59a7dc?permalink_comment_id=5189253#gistcomment-5189253
Use this script to setup both your primary and backup nodes :
sudo curl -sL -H "Cache-Control: no-cache" \https://gist.githubusercontent.com/raegedoc/093ba815b6b3f2bc2ff327f48c60f3a9/raw \--output /usr/local/etc/rc.syshook.d/carp/10-wancarp && \sudo chmod +x /usr/local/etc/rc.syshook.d/carp/10-wancarpDon't forget to adjust YOUR_CARP_LAN_VIP to make it all work.