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Chapter 5
Configuring the PA-4T+ Interfaces
Router# show interfaces serial 3/1/2
Serial3/1/2 is up, line protocol is up
Internet address is 10.0.0.2
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255
Encapsulation HDLC, loopback not set, keepalive not set
[Additional display text for remaining interfaces omitted]
Following is an example of the show interfaces serial command, which shows all of the information
specific to interface 0 on a port adapter in port adapter slot 1 of a VIP in interface processor slot 3:
Router# show interfaces serial 3/1/0
Serial3/1/0 is up, line protocol is up
Hardware is cyBus Serial
Internet address is 10.0.0.0
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255
Encapsulation HDLC, loopback not set, keepalive not set
Last input 2d18h, output 00:00:54, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/64/0 (size/threshold/drops)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
Using the ping Command to Verify Network Connectivity
Using the ping command, you can verify that an interface port is functioning properly. This section
provides a brief description of this command. Refer to the publications listed in the
Documentation" section on page viii
The ping command sends an echo request out to a remote device at an IP address that you specify. After
sending a series of signals, the command waits a specified time for the remote device to echo the signals.
Each returned signal is displayed as an exclamation point (!) on the console terminal; each signal that is
not returned before the specified time-out is displayed as a period (.). A series of exclamation points
(!!!!!) indicates a good connection; a series of periods (.....) or the messages [timed out] or [failed]
indicate that the connection failed.
Following is an example of a successful ping command to a remote server with the address 10.10.10.10:
Router# ping 10.10.10.10 <Return>
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echoes to 10.10.10.10, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/15/64 ms
Router#
If the connection fails, verify that you have the correct IP address for the server and that the server is
active (powered on), and repeat the ping command.
OL-3561-04
Hardware is cyBus Serial
Conversations
0/1 (active/max active)
Reserved Conversations 0/0 (allocated/max allocated)
16 packets input, 1620 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants
0 input errors, 0 CRC, 0 frame, 0 overrun, 1 ignored, 0 abort
3995 packets output, 1147800 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
1 carrier transitions
RTS up, CTS up, DTR up, DCD up, DSR up
for detailed command descriptions and examples.
PA-4T+ Synchronous Serial Port Adapter Installation and Configuration
Checking the Configuration
"Related
5-33
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