Which two statements correct regarding Link Aggregations?
A.
The MAC address of the first configured link is used for all links.
B.
A link with an existing IP interface cannot be added to an aggregation.
C.
The switch must support the Link Aggregation Control Protocol (LACP).
D.
Links of differing bit rates can be aggregated, but performance gains may not be realized.
E.
The –f option of dladm allows aggregating devices that do not support link state notification.
Explanation:
B: An interface that has been created cannot become a member of an aggregation.
E: Devices that do not support link state notification can be aggregated only by using the -f option
of the dladm create-aggr command.
Incorrect:
not C: All interfaces in the aggregation must run at the same speed and in full-duplex mode.
Note:
* Oracle Solaris supports the organization of network interfaces into link aggregations. A link
aggregation consists of several interfaces on a system that are configured together as a single,
logical unit.
BC
dladm create-aggr [-t] [-R root-dir] [-m mode] [-P policy] [-L lacpmode]
[-T time] [-u address] -l ether-link1 [-l ether-link2…] aggr-link
BE
LCAP for switch is optional
B and E are correct
http://docs.oracle.com/cd/E23824_01/html/821-1458/fpjvl.html
Certain devices do not fulfill the requirement of the IEEE 802.3ad Link Aggregation Standard to support link state notification. This support must exist in order for a port to attach to an aggregation or to detach from an aggregation. Devices that do not support link state notification can be aggregated only by using the -f option of the dladm create-aggr command. For such devices, the link state is always reported as UP. For information about the use of the -f option, see How to Create a Link Aggregation.
Dupek your are correct but we can not ruleout the option C
Aggregation Mode and Switches
If your aggregation topology involves connection through a switch, you must note whether the switch supports the link aggregation control protocol (LACP). If the switch supports LACP, you must configure LACP for the switch and the aggregation. However, you can define one of the following modes in which LACP is to operate:
CE
not B, because you can add a link with an existing ip, if you delete this ip first (http://docs.oracle.com/cd/E23824_01/html/821-1458/fpjvl.html)
but for sure, switch must support LACP.
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