It depends on the failure scenario. If the physical link on wan 1 goes down, failover should be immediate.
Is the physical link on wan 1 is still up, but the internet connection has gone down, it can take up to 300v seconds for connection monitoring to perform a failover.
//
//
LITHIUM.InformationBox({"updateFeedbackEvent":"LITHIUM:updateAjaxFeedback","componentSelector":"#informationbox_7fb86a27ee142","feedbackSelector":".InfoMessage"});
LITHIUM.InformationBox({"updateFeedbackEvent":"LITHIUM:updateAjaxFeedback","componentSelector":"#informationbox_7fb86a27ee142_0","feedbackSelector":".InfoMessage"});
LITHIUM.InformationBox({"updateFeedbackEvent":"LITHIUM:updateAjaxFeedback","componentSelector":"#informationbox_7fb86a27ee142_1","feedbackSelector":".InfoMessage"});
LITHIUM.InformationBox({"updateFeedbackEvent":"LITHIUM:updateAjaxFeedback","componentSelector":"#informationbox_7fb86a27ee142_2","feedbackSelector":".InfoMessage"});
LITHIUM.AutoComplete({"options":{"autosuggestionAvailableInstructionText":"Auto-suggestions available. Use Up and Down arrow keys to navigate.","triggerTextLength":4,"autocompleteInstructionsSelector":"#autocompleteInstructionsText_7fb869b53c083","updateInputOnSelect":true,"loadingText":"Searching...","emptyText":"No Matches","successText":"Results:","defaultText":"Enter a search word","autosuggestionUnavailableInstructionText":"No suggestions available","disabled":false,"footerContent":[{"scripts":"\n\n;(function($){LITHIUM.Link=function(params){var $doc=$(document);function handler(event){var $link=$(this);var token=$link.data('lia-action-token');if($link.data('lia-ajax')!==true&&token!==undefined){if(event.isPropagationStopped()===false&&event.isImmediatePropagationStopped()===false&&event.isDefaultPrevented()===false){event.stop();var $form=$('