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The label advertisement Mode - DU

Latest reply: Dec 27, 2018 08:01:41 1562 1 11 0 0

Hi, Community!


This post is about the label advertisement Mode - DU. Please see more details on the topic as you read further down this post.


BACKGROUND INFORMATION


The MPLS network can issue labels in different ways. In the network shown in the figure, the label advertisement mode is downstream unsolicited (DU) between the SWB and the SWA.


152627b5tiusf1v0sa5v5f.png


CONCLUSIONS


  • The SWA does not request a label from the SWB and the SWB still sends a label mapping message to the SWA.


  • The SWB does not request a label from the SWA and the SWA still sends a label mapping message to the SWB.


  • By default, the label advertisement mode is downstream unsolicited (DU).


This would be all on the label advertisement Mode - DU. Thanks for reading this post!

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  • convention:

yiyi0519
Created Dec 27, 2018 08:01:41

Multi-Protocol Label Switching (MPLS) is a new technology that uses tags to guide data at high speed and high efficiency on an open communication network. The meaning of multi-protocol means that MPLS can not only support multiple protocols at the network layer level, but also be compatible with multiple data link layer technologies of the second layer.
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