Understanding Mwr 1941-Dc Router Interface Numbering; Slot And Port Numbering - Cisco MWR 1941-DC - 1941 Mobile Wireless Router Software Configuration Manual

Before You Begin

Understanding MWR 1941-DC Router Interface Numbering

Each network interface on a Cisco MWR 1941-DC router is identified by a slot number and a port
number.
Figure 3-1
following configuration for a Cell Site DCN implementation:
•
•
•
Figure 3-1 Cisco MWR 1941-DC Router Port Numbers
SE RI AL
A/ S
CN /LP
3 RXC
RXD
TXC
TXD
CN /LP
2 RXC
RXD
TXC
TXD
CN /LP
1 RXC
RXD
TXC
TXD
Serial 1/3 Serial 1/1
Serial 1/2

Slot and Port Numbering

The Cisco MWR 1941-DC router chassis contains the following LAN and WAN interface types:
•
•
•
The slot numbers are as follows:
•
•
•
The numbering format is:
Interface type Slot number/Interface number
Cisco MWR 1941-DC Mobile Wireless Edge Router Software Configuration Guide
3-2
shows an example of interface numbering on a Cisco MWR 1941-DC router with the
A VWIC in three of the three VWIC slots
A 4-port asynchronous/synchronous serial network module in slot 1
Two built-in Fast Ethernet interfaces
Serial 0/3
CN /LP
0 RXC
RXD
TXC
TXD
EN
SE E MA
FE1
Serial 1/0
FE0
Two built-in Fast Ethernet LAN interfaces
Three slots in which you can install Voice/WAN interface cards (VWICs)
One slot in which you can install a network module
0 for all built-in interfaces
0 for all built-in VWIC slots
1 for the network module slot
Serial 0/1
Serial 0/2
Serial 0/0
NU AL BE
FO RE INS DS U
TAL LAT ION
56K
SE E MA
NU AL BE
FO RE INS DS U
TAL LAT ION
56K
CO NS OL
E
AU XIL IAR
Y
Console Auxiliary
port port
Chapter 3 First-Time Configuration
OL-11503-01