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Traceroute method for label switched paths (LSP) in multi-protocol label switching (MPLS) network and routing equipment

A network and equipment technology, applied in the field of LSP path tracing and routing equipment in MPLS network, can solve the problem of increasing the burden of LSP message forwarding, and achieve the effect of avoiding the transmission of a large number of messages, high accuracy and low burden

Active Publication Date: 2013-06-19
XINHUASAN INFORMATION TECH CO LTD
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Problems solved by technology

[0011] Although the above-mentioned Traceroute can realize the path detection of LSP, it will involve a large number of messages, which will increase the burden of message forwarding on the nodes on the LSP
Moreover, it has been stated in RFC4379 that there is currently no public method to support the detection of load sharing paths in MPLS networks

Method used

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  • Traceroute method for label switched paths (LSP) in multi-protocol label switching (MPLS) network and routing equipment
  • Traceroute method for label switched paths (LSP) in multi-protocol label switching (MPLS) network and routing equipment
  • Traceroute method for label switched paths (LSP) in multi-protocol label switching (MPLS) network and routing equipment

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Embodiment Construction

[0044] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] In the method provided by the present invention, when TraceRoute is performed on the LSP that contains the load sharing path in the MPLS network, the technical means of the Transit node acting as the Ingress node can be used in the TraceRoute process to continue the TraceRoute, which can avoid the occurrence of A large number of MPLS Echo Request messages realize low-burden and high-accuracy coverage to detect the connectivity of each path.

[0046] The method provided by the invention is described below:

[0047] Such as figure 2 Shown, the method provided by the invention comprises the following steps:

[0048] Step 201, configure LSP Traceroute X on the Ingress node of the LSP, where X is the IP address of the Loopback interface of th...

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Abstract

The invention provides a traceroute method for label switched paths (LSP) in a multi-protocol label switching (MPLS) network and routing equipment. When the LSP of a load sharing path exist in the MPLS, connectivity that each path can be traced at low load and high accuracy rate can be achieved by technological means that a transit node acts as an ingress node in a traceroute process, so that the condition that a large amount of messages in the whole traceroute process are transmitted can be avoided.

Description

technical field [0001] The present application relates to network communication technology, in particular to a traceroute method and routing equipment for Label Switched Paths (LSP: Label Switched Paths) in a Multi-Protocol Label Switching (MPLS: Multi-Protocol Label Switching) network. Background technique [0002] The MPLS system mainly includes two parts: the signaling control plane and the data forwarding plane. The signaling control plane is responsible for the establishment of the LSP, but it cannot detect the error that the LSP fails to transmit data. However, since the data forwarding plane is based on isolated nodes, there is no way to detect errors such as LSP data transmission failures. [0003] Based on this, in order to facilitate the detection of errors such as failure of LSP data transmission, the prior art proposes an LSP TraceRoute applied to an MPLS network. LSP TraceRoute is based on the modes of MPLS Echo request and MPLS Echo reply, and is realized by ...

Claims

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Application Information

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IPC IPC(8): H04L12/723H04L12/741H04L45/50H04L45/74
Inventor 赵昌峰
Owner XINHUASAN INFORMATION TECH CO LTD
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