R3166-R3206-HP High-End Firewalls High Availability Configuration Guide-6PW101

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Configuring the MTU of a Layer 3 Aggregate
Interface/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/subinterface:
To do... Use the command... Remarks
Enter system view system-view —
Enter Layer 3 aggregate
interface/subinterface view
interface route-aggregation
{ interface-number |
interface-number.subnumber }
—
Configure the MTU of the
interface/subinterface
mtu size
Optional
1500 bytes by default
Enabling Link State Trapping for an Aggregate Interface
With the link state trapping function enabled, an aggregate interface generates linkUp trap messages
when its link goes up and linkDown trap messages when its link goes down. For more information, refer
to SNMP Configuration in the System Volume.
Follow these steps to enable link state trapping 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
aggregate
interface
view
Enter Layer 2
aggregate
interface view
interface bridge-aggregation
interface-number
Required
Use either command.
Enter Layer 3
aggregate
interface/subint
erface view
interface route-aggregation
{ interface-number |
interface-number.subnumber }
Enable link state trapping for
the aggregate interface
enable snmp trap updown
Optional
Enabled by default
Configuring the Minimum and Maximum Number of Selected
Ports in an Aggregation Group
NOTE:
Only Firewall A-F5000 supports this feature.