H3C Technologies H3C S10500 Series Switches - Manual (Page 55)

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To do... Use the command... Remarks
view
Enter Layer 3
aggregate
interface or
subinterface view
interface route-aggregation
{ interface-number |
interface-number.subnumber }
Configure the description of the
aggregate interface or
subinterface
description text
Optional
By default, the description of an
interface is in the format of
interface-name Interface, such as
Bridge-Aggregation1 Interface.
Configuring the MTU of a Layer 3 aggregate interface or
subinterface
Maximum transmission unit (MTU) of an interface affects IP packets fragmentation and reassembly on the
interface.
Follow these steps to change the MTU of a Layer 3 aggregate interface or subinterface:
To do... Use the command... Remarks
Enter system view system-view —
Enter Layer 3 aggregate interface or
subinterface view
interface route-aggregation
{ interface-number |
interface-number.subnumber }
—
Configure the MTU of the Layer 3
aggregate interface or subinterface
mtu size
Optional
1500 bytes by default.
Enabling link state traps for an aggregate interface
You can configure an aggregate interface to generate linkUp trap messages when its link goes up and
linkDown trap messages when its link goes down. For more information, see Network Management and
Monitoring Configuration Guide.
Follow these steps to enable link state traps on an aggregate interface:
To do... Use the command... Remarks
Enter system view system-view —
Enable the trap function globally
snmp-agent trap enable [ standard
[ linkdown | linkup ] * ]
Optional
By default, link state trapping is
enabled globally and on all
interfaces.
Enter Layer 2
aggregate interface
view
interface bridge-aggregation
interface-number
Enter
aggregat
e interface
view
Enter Layer 3
aggregate interface
or subinterface view
interface route-aggregation
{ interface-number |
interface-number.subnumber }
Required
Use either command.