display mdns service

Function

The display mdns service command displays service information recorded on the mDNS gateway.

Format

display mdns service { all [ verbose ] | name name | vlan vlan-id }

Parameters

Parameter	Description	Value
all	Displays all service information recorded on the mDNS gateway.	-
name name	Displays information about a specified service name recorded on the mDNS gateway.	The service name must have been created.
vlan vlan-id	Displays service information provided by a specified service VLAN, which is recorded on the mDNS gateway. The VLAN ID indicates the VLAN that the service provisioning device belongs to.	The service VLAN must have been created.
verbose	Displays detailed service information recorded on the mDNS gateway. If this parameter is not specified, the summary of service information recorded on the mDNS gateway is displayed.	-

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

The device functioning as the mDNS gateway maintains service information lists of all service provisioning devices on a network. You can run this command to check service information recorded on the device.

When a service name begins with a space or contains a question mark (?), the name parameter cannot be specified in this command.

Example

# Display the summary of all services recorded on the mDNS gateway.

<HUAWEI> display mdns service all 
MDNS Service Info:                                                              
                                                                                
Service name : Officejet Pro 8100 [C12FFA] (7)._printer._tcp.local              
  SRV Info:                                                                     
      Domain Name : HPC12FFA-156.local                                          
      Port        : 515                                                         
  A Info:                                                                       
      Domain Name : HPC12FFA-156.local                                          
      IP Address  : 10.1.1.254                                                  
  TXT Info:                                                                     
      Data Length : 297                                                         
                                                                                
Service name : _printer._tcp.local                                              
  PTR Info:                                                                     
      Domain Name : Officejet Pro 8100 [C12FFA] (7)._printer._tcp.local         
                                                                        
Total: 2

# Display the details of all services recorded on the mDNS gateway.

<HUAWEI> display mdns service all verbose 
MDNS Service Info:                                                              
                                                                                
Service name : Officejet Pro 8100 [C12FFA] (7)._printer._tcp.local              
  SRV Info:                                                                     
      Domain Name : HPC12FFA-156.local                                          
      Port        : 515                                                         
      Cache Flush : 1                                                           
      Class       : 1                                                           
      TTL         : 120                                                         
      Aging Time  : 95                                                          
      Data Length : 264                                                         
      Priority    : 0                                                           
      Weight      : 0                                                           
      Vlan Id     : 10
  A Info:                                                                       
      Domain Name : HPC12FFA-156.local                                          
      IP Address  : 10.1.1.254                                                  
      Cache Flush : 1                                                           
      Class       : 1                                                           
      TTL         : 120                                                         
      Aging Time  : 115                                                         
      Vlan Id     : 10
  TXT Info:                                                                     
      Data Length : 297                                                         
      Cache Flush : 1                                                           
      Class       : 1                                                           
      TTL         : 4500                                                        
      Aging Time  : 3400                                                        
      Vlan Id     : 10
      Text        : ***
              
                                                                               
Service name : _printer._tcp.local                                              
  PTR Info:                                                                     
      Domain Name : Officejet Pro 8100 [C12FFA] (7)._printer._tcp.local         
      Cache Flush : 0                                                           
      Class       : 1                                                           
      TTL         : 4500                                                        
      Aging Time  : 520                                                         
      Data Length : 51                                                          
      Vlan Id     : 10
Total: 2

# Display information about the service _printer._tcp.local recorded on the mDNS gateway.

<HUAWEI> display mdns service name _printer._tcp.local
MDNS Service Info:                                                              
                                                                                
Service name : _printer._tcp.local                                              
  PTR Info:                                                                     
      Domain Name : Officejet Pro 8100 [C12FFA] (7)._printer._tcp.local         
      Cache Flush : 0                                                           
      Class       : 1                                                           
      TTL         : 4500                                                        
      Aging Time  : 925                                                         
      Data Length : 51                                                          
      Vlan Id     : 10
Total: 1

# Display service information provided by service VLAN 10, which is recorded on the mDNS gateway.

<HUAWEI> display mdns service vlan 10
MDNS Service Info:                                                              
                                                                                
Service name : 10.1.1.200.in-addr.arpa
  PTR Info:
      Domain Name : HPC13F0E-2214.local
      Cache Flush : 1
      Class       : 1
      TTL         : 120
      Aging Time  : 90
      Data Length : 19
      Vlan Id     : 10
  A Info:
      Domain Name : HPC13F0E-2214.local
      IP Address  : 10.1.1.252
      Cache Flush : 1
      Class       : 1
      TTL         : 120
      Aging Time  : 40
      Vlan Id     : 10

Service name : 10.1.2.200.in-addr.arpa
  PTR Info:
      Domain Name : HPC12FFA-1383.local
      Cache Flush : 1
      Class       : 1
      TTL         : 120
      Aging Time  : 25
      Data Length : 19
      Vlan Id     : 10
  A Info:
      Domain Name : HPC12FFA-1383.local
      IP Address  : 10.1.2.251
      Cache Flush : 1
      Class       : 1
      TTL         : 120
      Aging Time  : 25
      Vlan Id     : 10
Total: 2

**Table 1** Description of the **display mdns service** command output
Item	Description
Service name	Service name recorded on the mDNS gateway.
SRV Info	SRV type information, indicating service record information.
Domain Name	Domain name mapping the service name.
Port	Number of the port that provides the service.
A Info	A type information, indicating host record information.
IP Address	IP address mapping the domain name.
TXT Info	TXT type information, indicating description of service record information.
Data Length	TXT data length.
PTR Info	PTR type information, indicating that information is searched reversely, that is, the service provider is searched based on the service type.
Total	Number of services recorded on the mDNS gateway. When you query all service information or service information provided by a specified service VLAN recorded on the mDNS gateway, this field displays the total number of service names. When you query service information about a specified service name recorded on the mDNS gateway, this field displays the total number of the SRV Info, TXT Info, and PTR Info fields. Type A type information and type AAAA information are excluded because they are not service information.
Cache Flush	Service cache information. The value can be 0 or 1. The value 1 indicates that the information is cache information. The value 0 indicates that the information is not cache information.
Class	Type of the service. 1: indicates the Internet. 255: indicates any type.
TTL	TTL of the service.
Aging Time	Time after the mDNS gateway records the service information, in seconds.
Priority	Service priority.
Weight	Service weight.
Text	Service text.
Vlan Id	Service VLAN ID, indicating the VLAN that the service provisioning device belongs to.