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1.发明申请DISTINGUISHING BETWEEN CONNECTIVITY VERIFICATION AVAILABILITY AND FORWARDING PROTOCOL FUNCTIONALITY IN A COMPUTER NETWORK 审中-公开连接验证可用性和计算机网络中的前向协议功能之间的差异公开(公告)号：US20130229909A1
公开(公告)日：2013-09-05
申请号：US13861939
申请日：2013-04-12
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Reshad A. Rahman , David P. Toscano , Sylvain Masse , Jonathan Parker , David D. Ward
IPC: H04L12/24
CPC classification number: H04L41/0695 , H04L69/16
Abstract: In one embodiment, a local network device transmits a connectivity verification protocol control message over a link to a remote network device to attempt to establish a connectivity verification protocol session with the remote network device. In response to non-receipt of a returned connectivity verification protocol control message from the remote network device, the local network device determines that there is an inability to establish a connectivity verification protocol session with the remote network device. The local network device then sends a connectivity verification protocol echo message over the link to the remote network device without establishment of a connectivity verification protocol session. The echo message is sent using a forwarding protocol. In response to receipt of a reply to the connectivity verification protocol echo message from the remote network device, the local network device determines that the forwarding protocol is functioning and uses the link to forward data traffic to the remote network device.
Abstract translation: 在一个实施例中，本地网络设备通过到远程网络设备的链路发送连接性验证协议控制消息，以尝试与远程网络设备建立连接性验证协议会话。 响应于从远程网络设备未收到返回的连接性验证协议控制消息，本地网络设备确定无法与远程网络设备建立连接性验证协议会话。 然后，本地网络设备通过链路向远程网络设备发送连接验证协议回传消息，而不建立连接性验证协议会话。 使用转发协议发送回发消息。 响应于从远程网络设备接收到对连接性验证协议回传消息的回复，本地网络设备确定转发协议正在工作，并使用链路将数据业务转发到远程网络设备。
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2.发明授权公开(公告)号：US09166877B2
公开(公告)日：2015-10-20
申请号：US13861939
申请日：2013-04-12
Applicant: Cisco Technology, Inc.
Inventor： Reshad A. Rahman , David P. Toscano , Sylvain Masse , Jonathan Parker , David D. Ward
CPC classification number: H04L41/0695 , H04L69/16
Abstract: In one embodiment, a local network device transmits a connectivity verification protocol control message over a link to a remote network device to attempt to establish a connectivity verification protocol session with the remote network device. In response to non-receipt of a returned connectivity verification protocol control message from the remote network device, the local network device determines that there is an inability to establish a connectivity verification protocol session with the remote network device. The local network device then sends a connectivity verification protocol echo message over the link to the remote network device without establishment of a connectivity verification protocol session. The echo message is sent using a forwarding protocol. In response to receipt of a reply to the connectivity verification protocol echo message from the remote network device, the local network device determines that the forwarding protocol is functioning and uses the link to forward data traffic to the remote network device.
Abstract translation: 在一个实施例中，本地网络设备通过到远程网络设备的链路发送连接性验证协议控制消息，以尝试与远程网络设备建立连接性验证协议会话。 响应于从远程网络设备未收到返回的连接性验证协议控制消息，本地网络设备确定无法与远程网络设备建立连接性验证协议会话。 然后，本地网络设备通过链路向远程网络设备发送连接验证协议回传消息，而不建立连接性验证协议会话。 使用转发协议发送回发消息。 响应于从远程网络设备接收到对连接性验证协议回传消息的回复，本地网络设备确定转发协议正在工作，并使用链路将数据业务转发到远程网络设备。
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