3Com MSR 50 Network Router User Manual


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152 CHAPTER 7: POS INTERFACE CONFIGURATION COMMANDS
Parameter 16: Sets CRC length to 16 bits.
32: Sets CRC length to 32 bits.
Description Use the
crc command to set the CRC length on the POS interface.
Use the undo crc command to restore the default, that is, 32 bits.
Example # Set the CRC length on interface POS 1/0 to 16 bits.
<Sysname> system-view
[Sysname] interface pos 1/0
[Sysname-Pos1/0] crc 16
display interface pos
Syntax display interface pos [ interface-number ]
View Any view
Parameter interface-number: Interface number.
Description Use the
display interface pos command to display the status and configuration
information of the specified or all POS interfaces.
Example # Display the status and configuration information of the interface POS 1/0.
<Sysname> display interface pos 1/0
Pos1/0 current state: UP
Line protocol current state: UP
Description: Pos0/0/0 Interface
The Maximum Transmit Unit is 1500, Hold timer is 10(sec)
Internet Address is 13.13.13.14/8 Primary
Link layer protocol is PPP
LCP opened, IPCP opened, IP6CP opened
Physical is Pos1/0, baudrate: 155520000
Output queue : (Urgent queuing : Size/Length/Discards) 0/50/0
Output queue : (Protocol queuing : Length) 0/500/0
Output queue : (FIFO queuing : Size/Length/Discards) 0/75/0
Last 5 seconds input: 0 bytes/sec 0 packets/sec
Last 5 seconds output: 0 bytes/sec 0 packets/sec
1133 packets input, 14004 bytes, 0 drops
1133 packets output, 14008 bytes, 0 drops
Table 7 Description on the fields of the display interface pos command
Field Description
Pos1/0 current state Current state of the POS interface
Line protocol current state Link layer state of the POS interface
Description Description on the POS interface
The Maximum Transmit Unit is 1500, Hold timer is
10(sec)
MTU of the POS interface and the
interval at which the link layer
protocol sends keepalives