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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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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).
Why ARP Entry Does Not Contain VLAN Information?

Why ARP Entry Does Not Contain VLAN Information?

If an ARP entry does not have VLAN information, the entry contains a Layer 3 interface. If an ARP entry has VLAN information and the included interface is not a Layer 3 sub-interface, the entry contains a Layer 2 interface.

Run the display arp commands to view ARP entries. For example, the ARP entries in V100R003C00 are as follows:
  • The ARP entry of which the IP address is 10.1.1.2 and MAC address is 04f9-388d-e685 is learned from 10GE1/0/3, the VLAN ID is 101, and remaining time of the entry is 5 minutes.

  • The ARP entry of which the IP address is 10.1.1.3 and MAC address is 0023-0045-0067 is a static entry, the outbound interface is 10GE1/0/3, and the VLAN ID is 101.

  • The ARP entry of which the IP address is 10.1.1.4 and MAC address is 0025-9e95-7c32 is learned from 10GE1/0/13 and remaining time of the entry is 3 minutes.

  • The ARP entry of which the IP address is 10.1.1.5 and MAC address is 306b-2079-2202 is of type I, indicating that 10.1.1.5 is the IP address of 10GE1/0/14.

<HUAWEI> display arp network 10.1.1.0 24
ARP Entry Types: D - Dynamic, S - Static, I - Interface                                                                             
EXP: Expire-time                                                                                                                    
IP ADDRESS      MAC ADDRESS    EXP(M) TYPE/VLAN INTERFACE       VPN-INSTANCE                                                        
------------------------------------------------------------------------------                                                      
10.1.1.3        0023-0045-0067        S/101     10GE1/0/3                                                                           
10.1.1.1        306b-2079-2205        I         Vlanif101                                                                           
10.1.1.2        04f9-388d-e685    5   D/101     10GE1/0/3     
10.1.1.4        0025-9e95-7c32    3   D        10GE1/0/13   
10.1.1.5        306b-2079-2202        I        10GE1/0/14                            
------------------------------------------------------------------------------                                                      
Total:5         Dynamic:2       Static:1    Interface:2    
Translation
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Updated: 2020-01-07

Document ID: EDOC1000060766

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