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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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IPV4-IPV6/3/MTU_MIN:The path MTU or IPv6 MTU of the outgoing interface on [interface-name] is less than the lower threshold 1280 bytes.


The path MTU or IPv6 MTU of the outgoing interface was less than 1280 bytes.


Parameter Name Parameter Meaning


Indicates the name of an interface.

Possible Causes

The path MTU or IPv6 MTU of the outgoing interface was less than 1280 bytes.


  1. Check related information on the IPv6 MTU or path MTU in the log.
  2. Run the display ipv6 interface command to view the IPv6 MTUs of the interfaces on the link, find the interface whose IPv6 MTU is less than 1280 bytes, and modify the IPv6 MTU on this interface.
Updated: 2019-08-21

Document ID: EDOC1000142069

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