PPP 状态机中的关闭状态和停止状态之间的确切区别是什么
我想知道 PPP 状态机中的关闭状态和停止状态之间的确切区别是什么。
如果有人详细解释一下就太好了。
我正在使用 C++ 设计 ppp 堆栈。
预先非常感谢。
I wanted to know what is the exact difference between Closed and Stopped State in PPP State machine.
It would be great full if someone explain in detail.
I am designing ppp stack using C++.
Thanks a lot in advance.
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“关闭”意味着该链路的 PPP 状态机已通过某些用户干预（链路关闭）或底层物理层关闭（警报检测等）而关闭（关闭）。
“已停止”表示：1) PPP 状态机协商未成功，因此停止，并在一段时间后重试，或 2) 对等方终止会话，本端将在一段时间后重新发起协商。
"Closed" means the PPP state machine for that link, has been shut down (closed) through either some user intervention (link shutdown) or the underlying physical layer going down (alarm detection, etc).
"Stopped" means either 1) The PPP state machine did not succeed in the negotiation and hence stopped, and will retry after some time, or 2) The peer terminated the session, and the local side will re-initiate negotiation after some time.
如果我没记错的话，区别在于，由于诸如管理操作之类的操作（即用户正在停止 PPP）而进入“关闭”状态。
当链路被另一方终止时，就会出现停止状态。
RFC 1661 有详细信息，即使它不是最容易阅读的 - 只需遵循状态即可那里定义了机器，你应该没问题。
If I remember right the difference is that the Closed state gets entered because of something like an administrative action (ie., the user is stopping PPP).
The stopped state occurs when the link is terminated by the other side.
RFC 1661 has the details, even if it's not the easiest read - just follow the state machines defined there and you should be OK.