BGP open报文

BGP的Open报文是在BGP邻居建立时发送的一种报文。它用于协商BGP邻居的各项参数，并建立邻居关系。在TCP连接建立后，Open报文是发送的第一个报文。 Open报文中包含了发送报文的BGP路由器所处的AS号，称为"my as"。如果对端的AS号与本地配置的AS号不一致，那么协商将失败，并发送Notification报文来中断TCP连接。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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