
Chapter 5: Configuration Parameters
Trunk Group 5-9
7. Link Aggregation, according to IEEE 802.3, does not support
the following:
Multipoint Aggregations:
The mechanisms specified in this clause do not support
aggregations among more than two systems.
Dissimilar MACs:
Link Aggregation is supported only on links using the
IEEE 802.3 MAC (Gigabit Ethernet and FDDI are not
supported in parallel but dissimilar PHYs such as copper
and fiber are supported)
Half duplex operation:
Link Aggregation is supported only on point-to-point links
with MACs operating in full duplex mode.
Operation across multiple data rates:
All links in a Link Aggregation Group operate at the
same data rate (e.g. 10 Mb/s, 100 Mb/s, or 1000 Mb/s).
8. Users cannot remove a master trunk port from a trunk
configuration, for example, CH0 of a trunk group consisting of
channels 0, 1, 2, and 3. The first port (having a smallest index
number) within a trunk group is considered a master port. To
break master port from the trunk group, you can delete the
whole trunk group.
Configuration Procedure:
There are channels that
CANNOT be selected:
1. Channels that have LUN mapping on them.
2. Channels that are already trunked.
3. Channels that are already included in MC/S groups.
The Trunk Group window is accessed through Config -> Trunk
Group. Follow the onscreen description to include host ports into
trunk groups. Note that error messages will appear if the
corresponding Ethernet ports on switch have not been configured
into coordinated trunked ports. Trunking is also known to the
manufacturers of network devices as Link Aggregation.
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