No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


Configuration Guide - IP Service

S7700 and S9700 V200R013C00

This document describes the configurations of IP service, including IP address, ARP, DHCP, DNS, mDNS gateway, mDNS relay, UDP Helper, IP performance optimization, IPv6, DHCPv6, IPv6 DNS, IPv6 over IPv4 tunnel and IPv4 over IPv6 tunnel.
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Configuring the Switch to Discard IP Packets Matching No Routing Entry

Configuring the Switch to Discard IP Packets Matching No Routing Entry


If the switch receives an IP packet that matches no routing entry in the local routing table, it sends the packet to the CPU. If a lot of IP packets match no routing entry because of an attack or incorrect network configuration, the CPU is busy. To prevent this problem, configure the switch to discard these packets.


  1. Run system-view

    The system view is displayed.

  2. Run ipv4 destination-unreachable drop

    The switch is configured to discard IP packets that match no routing entry.

    By default, the function of discarding IP packets that match no routing entry is enabled.

Updated: 2019-04-20

Document ID: EDOC1100065743

Views: 29484

Downloads: 31

Average rating:
This Document Applies to these Products
Related Version
Related Documents
Previous Next