Interface Names


One of the biggest problems that new administrators face is the interface names on the different models of routers. With all of the different Cisco devices that are in production networks today, some administrators are becoming confused on the names of their interfaces.

The following chart is a sample of some of the different interface names for various routers. This is by no means a complete list. Refer to the hardware guide of the specific router that you are working on to see the different combinations, or use the following command to see which interfaces are installed on your particular router:

router#show ip interface brief 

Router Model

Port Location/Slot Number

Slot/Port Type

Slot Numbering Range

Example

2501

On Board

Ethernet

Interface-type Number

ethernet0 (e0)

On Board

Serial

Interface-type Number

serial0 (s0) & s1

2514

On Board

Ethernet

Interface-type Number

e0 & e1

On Board

Serial

Interface-type Number

s0 & s1

1721

On Board

FastEthernet

Interface-type Number

fastethernet0 (fa0)

Slot 0

WAC (WIN Interface Card) (Serial)

Interface-type Number

s0 & s1

1760

On Board

Fast Ethernet

Interface-types 0/port

fa0/0

Slot 0

WIC/VIC (Voice Interface Card)

Interface-type 0/port

s 0/0 & s0/1

v0/0 & v0/1

Slot 1

WIC/VIC

Interface-type 1/port

s1/0 & s1/1

v1/0 & v1/1

Slot 2

VIC

Interface-type 2/port

v2/0 & v2/1

Slot 3

VIC

Interface-type 3/port

v3/0 & v3/1

2610

On Board

Ethernet

Interface-type 0/port

e0/0

Slot 0

WIC (Serial)

Interface-type 0/port

s0/0 & s0/1

2611

On Board

Ethernet

Interface-type 0/port

e0/0 & e0/1

Slot 0

WIC (Serial)

Interface-type 0/port

s0/0 & s0/1

2620

On Board

FastEthernet

Interface-type 0/port

fa0/0

Slot 0

WIC (Serial)

Interface-type 0/port

s0/0 & s0/1

2621

On Board

FastEthernet

Interface-type 0/port

fa0/0 & fa 0/1

Slot 0

WIC (Serial)

Interface-type 0/port

s0/0 & s0/1

1841

On Board

FastEthernet

Interface-type 0/port

fa 0/0 & fa 0/1

Slot 0

High Speed WAN Interface Card (HWIC)/WIC/VWIC

Interface-type 0/slot/port

s0/0/0 & s0/0/1

1841

Slot 1

HWIC/WIC/VWIC

Interface-type 0/slot/port

s0/1/0 & s0/1/1

2801

On Board

FastEthernet

Interface-type 0/port

fa0/0 & fa 0/1

Slot 0

VIC/VWIC (voice only)

Interface-type 0/slot/port

voice0/0/0 voice0/0/3

Slot 1

HWIC/WIC/VWIC

Interface-type 0/slot/port

0/1/0 0/1/3 (single-wide HWIC) 0/1/0 0/1/7 (double-wide HWIC)

Slot 2

WIC/VIC/VWIC

Interface-type 0/slot/port

0/2/0 - 0/2/3

Slot 3

HWIC/WIC/VWIC

Interface-type 0/slot/port

0/3/0 0/3/3 (single-wide HWIC) 0/3/0 - 0/3/7 (double-wide HWIC)

2811

Built into Chassis Front

USB

Interface-type port

usb0 & usb 1

Built into Chassis Rear

FastEthernet Gigabit Ethernet

Interface-type 0/port

fa0/0 & fa 0/1

gi0/0 & gi0/1

Slot 0

HWIC/HWIC-D/WIC/VWIC/VIC

Interface-type 0/slot/port

s0/0/0 & s0/0/1

fa0/0/0 & 0/0/1

Slot 1

HWIC/HWIC-D/WIC/VWIC/VIC

Interface-type 0/slot/port

s0/1/0 & s0/1/1

fa0/1/0 & 0/1/1

NME Slot

NM/NME

Interface-type 1/port

gi1/0 & gi1/1

s1/0 & s1/1





CCNA Self-Study(c) CCNA Portable Command Guide
CCNA Portable Command Guide
ISBN: 1587201585
EAN: 2147483647
Year: 2006
Pages: 261
Authors: Scott Empson

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