- Written by Dongliang Feng
- Posted on 6月 20, 2022
- Updated on 7月 1, 2022
- 5559 Views
When a Provider Edge (PE) device loses BGP connectivity to the core (uplink) devices, it may be unable to forward any traffic from its downlink devices, typically CE (Customer Edge) devices. It is beneficial to indicate this connectivity loss to these CE devices so that they may find alternative paths to forward traffic.