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Configuring the Interfaces
Checking the Configuration
After you configure the new interface(s), observe the LEDs on any 10BaseT appliques installed, and
use the EXEC show commands to display status information as follows:
Step 1
Step 2
Step 3
You can also use the command show interface (without variables) to display all network interfaces:
serial, Ethernet, FDDI, and Token Ring. Each new MEC interface should be appended to the list of
existing interfaces, with the next sequential number assigned to it.
Use the command show controller cBus to display the current internal status of the CSC-MEC
card(s), including the interfaces and how the system has identified them. The display lists the
interfaces connected to each CSC-MEC cards and indicates that the system has identified your new
interface, but it does not indicate the state of the line or protocol.
For descriptions of additional commands, refer to the router products configuration publication.
This completes the installation and configuration procedure for the CSC-MEC card and associated
equipment.
30 Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards
If the LINK LED is on, but the XMT and RCV LEDs are off, no data is getting through.
Check the XMT and RCV LEDs on any installed 10BaseT appliques.
Turn OFF the system power and check the jumper settings of W1 through W6 on the
CSC-MEC card and ensure that the jumper for each port connected to a 10BaseT applique
is set for Ethernet Version 2. (Refer to the section "Configuring the CSC-MEC and
CSC-C2MEC Cards," on page 9.)
Use the show config command to display the current system configuration file. Each
interface is listed along with its assigned IP address. Verify that each new Ethernet interface
appears. A partial, sample display is shown on page 28.
To obtain detailed status information about a specific Ethernet interface (for example,
Ethernet 1), specify the interface with the command show interface ethernet 1. The first
line of the display names the interface and its unit address (1) and indicates whether the
interface and the line protocol are up or down. If the line protocol is down (and you did not
administratively shut the interface down), the hardware is not functioning properly; ensure
that the network interface is properly connected and terminated. For explanations of the
displayed information, refer to the router products configuration publication.
Following is a partial sample display of the show interface command for Ethernet
interface 1:
router# show int ether 1
Ethernet 1 is up, line protocol is up
Hardware is cBus Ethernet, address is 0000.0c02.a03d
Internet address is 131.108.42.9, subnet mask is 255.255.255.0
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255
Encapsulation ARPA, loopback not set, keepalive set (10 sec)
ARP type: ARPA, ARP Timeout 4:00:00
Last input 0:00:01, output 0:00:00, output hang never
Last clearing of "show interface" counters never
Output queue 0/40, 63 drops; input queue 0/75, 0 drops
Five minute input rate 4000 bits/sec, 6 packets/sec
Five minute output rate 29000 bits/sec, 24 packets/sec
6655552 packets input, 613757001 bytes, 0 no buffer
Received 423040 broadcasts, 4 runts, 0 giants
5 input errors, 1 CRC, 0 frame, 0 overrun, 45 ignored, 0 abort
14231290 packets output, 1923109363 bytes, 0 underruns
0 output errors, 25588 collisions, 3 interface resets, 0 restarts
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