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A beginner question

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Question

What is module number ? i.e. the 0 in 0/1

Answer

 

Comments
VIP Mentor

what mode of the device is this?

 

show interface status will help you.

Collaborator

 

0 in 0/x usually means the main module of a device, main board.  it is fixed port id,  if you ahve  bays and slots, then numbering starts with module id, slot id, port/interface id

 

see https://learningnetwork.cisco.com/s/question/0D53i00000XRCCTCA5/what-is-a-module-interface-and-port-in-s000-

see https://community.cisco.com/t5/switching/what-do-ports-mean/td-p/3180288

Beginner

Module number means slot number or card number .On some  router or switch you can add additional line cards  for example

in slot 0 , slot1 , slot2   you have added three line cards  all total .

now for example slot 1 have 24  gig  ethernet ports  in that line card  now it will be having naming convention like gigethernet0/1 - gigethernet1/24  similarly on slot number 2 u will have gigethernet1/1 - gigethernet1/24  and in  slot number 3 

 gigethernet2/1 - gigethernet2/24  .