My router do PPP LCP Echo Request every second

Installing and Using OpenWrt Network and Wireless Configuration
1

Is normal that my router do a PPP LCP Echo Request every second with a PPPoE FTTH connection?

immagine

2

hi,

  1. what version of owrt you have/had when you experienced this?
  2. did it cause any other problem?
  3. what is your ppp configuration? what is your "LCP echo interval" value?