
15
Configuring a Layer 3 Ethernet interface or
subinterface
Setting the MTU for an Ethernet interface or subinterface
The value of maximum transmission unit (MTU) affects the fragmentation and reassembly of IP packets.
Typically, you do not need to modify the MTU of an interface.
To set the MTU for an Ethernet interface or subinterface:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter Layer 3 Ethernet
interface or subinterface
view.
interface
interface-type
{
interface-number
|
interface-number.subnumber
N/A
3.
Set the MTU.
mtu
size
The default setting is 1500
bytes.
Displaying and maintaining an Ethernet interface
Execute
display
commands in any view and
reset
commands in user view.
Task Command
Display interface traffic statistics.
display counters
{
inbound
|
outbound
}
interface
[
interface-type
[
interface-number
|
interface-number.subnumber
] ]
Display traffic rate statistics of interfaces in
up state over the last sampling interval.
display counters rate
{
inbound
|
outbound
}
interface
[
interface-type
[
interface-number
|
interface-number.subnumber
] ]
Display the operational and status
information of the specified interface or all
interfaces.
display
interface
[
interface-type
[
interface-number
|
interface-number.subnumber
] ]
Display summary information about the
specified interface or all interfaces.
display interface
[
interface-type
[
interface-number
|
interface-number.subnumber
] ]
brief
[
description
]
Display information about dropped
packets on the specified interface or all
interfaces.
display packet-drop
{
interface
[
interface-type
[
interface-number
] ] |
summary
}
Display information about storm control
on the specified interface or all interfaces.
display storm-constrain
[
broadcast
|
multicast
|
unicast
]
[
interface
interface-type
interface-number
]
Display the Ethernet statistics.
display ethernet statistics
slot
slot-number
Clear the interface statistics.
reset counters interface
[
interface-type
[
interface-number
|
interface-number.subnumber
] ]
Clear the statistics of dropped packets on
the specified interfaces.
reset packet-drop interface
[
interface-type
[
interface-number
] ]