Foundry Networks Switch and Router Installation And Configuration Manual page 188

Foundry Switch and Router Installation and Configuration Guide
BigIron(config)# show interface pos 2/1
POS2/1 is up
No port name
Hardware is Packet over Sonet
MTU 4470 bytes, encapsulation PPP, clock is internal
Framing is SONET, BW 622000Kbit, CRC 32
Loopback not set, keepalive is set (10 sec), scramble disabled
LCP state is open
5 minute input rate: 0 bits/sec, 0 packets/sec
5 minute output rate: 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 CRCs, 0 shorts, 0 giants, 0 alignments
0 packets output, 0 bytes, 0 underruns
Line protocol is UP
Member of 4 L2 VLANs, port is tagged, port state is FORWARDING
STP configured to ON
The "Line protocol is UP" line means that the Link Control Protocol (LCP) handshake was successful and the end-
to-end connectivity is up.
NOTE: The lines shown in bold type in this example appear only if the port is enabled for Layer 2 switching.
Displaying POS Statistics
To display POS packet statistics, use the following method.
USING THE CLI
To display POS statistics for POS interface 2/1, enter the following command at any CLI level:
BigIron> show statistics pos 2/1
POS Packets
Port [Receive
2/1 1475
Syntax: show statistics pos <portnum>
The command shows the following information for the specified POS port.
This Field...
Packet counters
Receive
Transmit
Packet Errors
These fields show statistics for various types of packet errors. The Layer 3 Switch drops packets that contain
one of these errors.
Align
FCS
Giant
6 - 26
Transmit] [Align
12301 0
Table 6.4: CLI Display of POS Interface Statistics
Displays...
The number of packets received on this interface.
The number of packets transmitted on this interface.
The number of packets that contained frame alignment errors.
The number of packets that contained Frame Check Sequence errors.
The number of packets that were longer than the configured MTU.
Errors
FCS Giant Short]
1378 3 0
December 2000