3Com Switch 7750 Configuration Guide

Overview 187
n
If devices at one side of the link aggregation group use type-A modules and
devices at the other side of the group use modules other than Type A, when the
number of ports exceeds eight and the number of selected ports reaches to eight
in the link aggregation group, packets may be lost.
Table 120 and Table 121 describe the restriction of type-A I/O Modules and
non-type-A I/O Modules on link aggregation respectively.
Table 119 Link aggregation types and related descriptions
Aggregation type Basic description Specific description
Manual aggregation Support up to 384
aggregation groups, including
64 load sharing aggregation
groups
■ For Type-A modules, an
aggregation group
supports up to 8 selected
GE ports or 16 selected FE
ports
■ For non-Type-A modules,
an aggregation group
supports up to 8 selected
GE ports or 8 selected FE
ports
Static/dynamic aggregation
■ For Type-A modules, an
aggregation group
supports up to 8 selected
GE ports
■ For Type-A modules, an
aggregation group
supports up to 24 FE ports,
including up to 16 selected
ones
■ For non-Type-A modules,
an aggregation group
supports up to 48 ports,
including up to 8 selected
ones