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Fat AP and Cloud AP V200R010C00 Command Reference

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display dns forward table

display dns forward table

Function

The display dns forward table command displays the DNS forwarding table, including the mapping entry of the source IP address in a specified DNS query message.

Format

display dns forward table [ source-ip ip-address ]

Parameters

Parameter

Description

Value

source-ip ip-address

Specifies the source IP address in query messages.

The value is in dotted decimal notation.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

After DNS proxy or DNS relay is enabled, you can run the display dns forward table command to view the DNS table of IP addresses.

When the device receives DNS request packets from the client but does not receive DNS reply packets from the server, you need to run the display dns forward table command to view the DNS forwarding table.

Example

# Display the DNS table on the DNS proxy or DNS relay.

<Huawei> display dns forward table 
Domain name            : www.domain.com                                                                                             
Source IP              : 10.136.128.53                                                                                              
Source port            : 2055                                                                                                       
Source packet id       : 3562                                                                                                       
Forward packet id      : 60669                                                                                                      
Query type             : 1    
Table 6-61  Description of the display dns forward table command output

Item

Description

Domain name

Domain name.

Source IP

IP address of the client.

Source port

Port number of the client.

Source packet id

ID of the request packet from the client.

Forward packet id

ID of the forwarded packet, which corresponds to the ID of the request packet from the client.

Query type

Query type:
  • 1: Class-A query
  • 12: Pointer Record (PTR) query
  • 33: SRV query
  • 35: NAPTR query
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Updated: 2019-11-21

Document ID: EDOC1100064352

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