https://community.cisco.com/t5/wireless/how-often-does-controllers-try-and-establish-connection-in-a/m-p/4131166#M197635 Mobility in general happens is constant. If there is any interruptions, the tunnel goes down. This is a two way communication between the controllers.<BR /> Thu, 06 Aug 2020 02:29:05 GMT Scott Fella 2020-08-06T02:29:05Z https://community.cisco.com/t5/wireless/how-often-does-controllers-try-and-establish-connection-in-a/m-p/4131157#M197634 <P>HI&nbsp;</P><P>I have a pair of controllers connecting to a pair of mobility anchors.</P><P>While one controller establishes connection to both controllers, the second has both controller and path down for both anchors.</P><P>Checked the firewall and found incomplete arp entries for the second controller.</P><P>Do we know how often do the controllers try and establish a connection to the anchors?</P> Mon, 05 Jul 2021 19:22:08 GMT https://community.cisco.com/t5/wireless/how-often-does-controllers-try-and-establish-connection-in-a/m-p/4131157#M197634 salamislimy 2021-07-05T19:22:08Z https://community.cisco.com/t5/wireless/how-often-does-controllers-try-and-establish-connection-in-a/m-p/4131166#M197635 Mobility in general happens is constant. If there is any interruptions, the tunnel goes down. This is a two way communication between the controllers.<BR /> Thu, 06 Aug 2020 02:29:05 GMT https://community.cisco.com/t5/wireless/how-often-does-controllers-try-and-establish-connection-in-a/m-p/4131166#M197635 Scott Fella 2020-08-06T02:29:05Z https://community.cisco.com/t5/wireless/how-often-does-controllers-try-and-establish-connection-in-a/m-p/4131450#M197636 Exactly - it will come up almost immediately once you fix the config and/or network connectivity. Thu, 06 Aug 2020 14:27:12 GMT https://community.cisco.com/t5/wireless/how-often-does-controllers-try-and-establish-connection-in-a/m-p/4131450#M197636 Rich R 2020-08-06T14:27:12Z