关于watchdog,有点小东东，大家看了或许有用

imbcheng168

no-ping-delay (time; default: 5m) - specifies how long after reboot not to test and ping watch-address. The default setting means that if watch-address is set and is not reachable, the router will reboot about every 6 minutes.
automatic-supout (yes | no; default: yes) - when software failure happens, a file named "autosupout.rif" is generated automatically. The previous "autosupout.rif" file is renamed to "autosupout.old.rif"
auto-send-supout (yes | no; default: no) - after the support output file is automatically generated, it can be sent by email