Slot Arrangement And Rules For Numbering Interfaces - H3C MSR 20-1X Installation Manual

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Slot Arrangement and Rules for Numbering Interfaces

Slot arrangement
The MSR 20- 1 X routers provide many types of interfaces, such as console, AUX, Ethernet, serial interface
(synchronous/asynchronous), and asynchronous interface. The following describes how these interfaces
are numbered.
Rules for numbering interfaces
The interfaces of the MSR 20- 1 X routers are numbered with "two dimensions":
The interfaces are represented by interface-type X/Y, where interface-type can be serial,
asynchronous, or Ethernet, X specifies the slot number and Y specifies the interface number.
Fixed interfaces are on Slot 0 and the expansion slot is defined as Slot 1.
Different interfaces on an interface module share the same slot number X.
For each interface, Y starts from 0 indicates the interface sequence on the interface module, from
left to right.
If you install an SIC-4FSW in slot 1 on the MSR 20- 1 1, the Ethernet interfaces are numbered as follows:
Layer 3 Ethernet interface is numbered Ethernet 0/0;
The Layer 3 Ethernet interfaces on the SIC-4FSW module are numbered Ethernet 1/0, Ethernet 1/1,
Ethernet 1/2, and Ethernet 1/3.
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