R3721-F3210-F3171-HP High-End Firewalls High Availability Configuration Guide-6PW101

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Ste
p
Command Remarks
3. 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
The maximum transmission unit (MTU) of an interface affects IP packets fragmentation and reassembly on
the interface.
To change the MTU of a Layer 3 aggregate interface or subinterface:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter Layer 3 aggregate
interface or subinterface view.
interface route-aggregation
{ interface-number |
interface-number.subnumber }
N/A
3. 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 System Management and
Maintenance Configuration Guide.
To enable link state traps on an aggregate interface:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. 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.
3. Enter aggregate
interface view.
• Enter Layer 2 aggregate interface view:
interface bridge-aggregation
interface-number
• Enter Layer 3 aggregate interface or
subinterface view:
interface route-aggregation
{ interface-number |
interface-number.subnumber }
Use either command.
4. Enable link state traps
for the aggregate
interface.
enable snmp trap updown
Optional.
Enabled by default.