They are removed after predefined amount of days. Default value is 30 days. This can be changed in database (change CurrentValue).
UPDATE Settings SET CurrentValue=30 WHERE SettingId='NPM_Settings_RoutingNeighbor_Retain_Days'
They are removed after predefined amount of days. Default value is 30 days. This can be changed in database (change CurrentValue).
UPDATE Settings SET CurrentValue=30 WHERE SettingId='NPM_Settings_RoutingNeighbor_Retain_Days'