eriRouterIcrAdminStatus is the administrative on/off switch for this ICR node: setting it to up enables the node and lets it transition into active or standby based on eriRouterIcrPriority, while setting it to down disables ICR and forces the node back to the initialize state. It must be set to down before an admin can modify most other read-create objects in the same row, and the row's eriRouterIcrRowStatus must already be active before it can be set back to up. For example, an admin changing eriRouterIcrPeerAddress after a peer's IP was reassigned would first set eriRouterIcrAdminStatus to down, update the address, then set it back to up.