The operations of the two roles are discussed. Additionally, the relationship between IGP and EGP Graceful Restart and the advantage as well as disadvantage of protocol Graceful Restart are analyzed.

• 我们讨论了这两种角色的路由器的行为，分析了IGP和EGP平稳重启的关系，以及协议平稳重启的优势和缺点。