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When I watch juniper tutorial time at 10:22,

there have Services Interfaces introduction:

enter image description here

but in my mx480 router, there have several interfaces I don't know prefix meaning.

  lt-0/0/10.6          LR3->R0
  lt-0/0/10.7          
  lt-0/0/10.8          
  lt-0/0/10.9          
  lt-0/0/10.11 
  lc-3/0/0             
  lc-3/0/0.32769       
  pfe-3/0/0            
  pfe-3/0/0.16383  
  pfh-3/0/0            
  pfh-3/0/0.16383      
  pfh-3/0/0.16384 
  et-3/0/2.0   
  lt-3/0/10  
  cbp0                 
  demux0               
  dsc 
  esi  
  fxp0.0 
  jsrv                 
  jsrv.1   
  lo0                  
  lo0.0                
  lo0.16384            
  lo0.16385            
  lsi                  
  mtun                 
  pimd                 
  pime                 
  pip0                 
  pp0                  
  tap                  
  vtep 
1
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The link Teun provided is a good resource, but not everything is covered there. Here is the difference:

  • esi - Ethernet Segment Identifier, used for EVPN multihoming.
  • pfe - PFE internal interface.
  • pfh - FPC internal interface.
  • cbp - Customer Backbone Port, used for Provider Bridging.
  • jsrv - Juniper Services Interface, used for things like 802.1X and Captive Portal.
  • pip0 - Provider Instance Port, used for EVPN based Provider Bridging.
  • pp0 - PPPoE interface.
  • vtep - VXLAN Tunnel End-Point, used for VXLAN routing/forwarding.

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