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During the system boot-up, the following events
occur: HP APA software initializes All the internal housekeeping initialization (for
example, allocation of memory) for the software is done. During this
step, the default values are assigned for all the properties on each
port and link aggregate. hp_apaportconf file is processed Contains customization variables for each physical
port. The features that can be set on each port are Group Capability,
Port Priority, and Configuration Mode. If no value is specified for
a given feature for a given port, the software assumes a default value
for the same. The port's mode is set at this stage. hp_apaconf file is processed The /etc/rc.config.d/hp_apaconf file contains customization variables for each link aggregate. The
features that can be set on each link aggregate are Load Balancing
mode, Hot Standby mode, and ports in a Manual link aggregate. The
last feature allows manual configuration of a link aggregate with
the port(s) specified. HP APA software starts Cisco's FEC or IEEE 802.3ad LACP protocol
is started on the ports that have been marked as such. No action is
taken for the ports that have Cisco's FEC or IEEE 802.3ad LACP
turned off. LAN Monitor ASCII file is
processed Process /etc/lanmon/lanconfig.ascii to create failover groups. If this file has not been created, no
action is taken.
After the system is up and running,
you can distinguish a link aggregate from a normal (unaggregated)
port by running the nwmgr command. For more information,
see Chapter 5. |
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