METHOD FOR ADVERTISING ROUTE AND WITHDRAWING ROUTE AND CORRESPONDING ROUTING DEVICE

摘要

Disclosed are a method for advertising a route and withdrawing a route and a corresponding routing device. When a route is withdrawn, the method comprises: a routing device acquiring a route withdrawal association detection condition of an advertised route, wherein the route withdrawal association detection condition comprises a detection object except for the advertised route and an expected state thereof; and if it is determined that the route withdrawal association detection condition is satisfied, the routing device notifying an advertisement destination neighbour peer of the advertised route to withdraw the advertised route. The method for advertising a route comprises: a routing device acquiring a route advertisement association detection condition of a route to be advertised, wherein the route advertisement association detection condition comprises a detection object except for the route to be advertised and an expected state thereof; and if it is determined that the route advertisement association detection condition is satisfied, the routing device advertising the route to be advertised to a neighbour peer. The above-mentioned solutions can enable an IP network element to more flexibly advertise a route to a neighbour peer, and can also realize the rapid withdrawal of the route.