Dell FCX624-E Laptop User Manual


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PowerConnect B-Series FCX Configuration Guide 393
53-1002266-01
Chapter
12
Configuring Trunk Groups and Dynamic Link Aggregation
Table 70 lists the individual Dell PowerConnect switches and the trunk groups and dynamic link
aggregation features they support.
Trunk group overview
The Trunk group feature allows you to manually configure multiple high-speed load-sharing links
between two Layer 2 Switches or Layer 3 Switches or between a Layer 2 Switch and Layer 3 Switch
and a server.
In addition to enabling load sharing of traffic, trunk groups provide redundant, alternate paths for
traffic if any of the segments fail.
Trunk groups are manually-configured aggregate links containing multiple ports.
802.3ad link aggregation is a protocol that dynamically creates and manages trunk groups.
NOTE
You can use both types of trunking on the same device. However, you can use only one type of
trunking for a given port. For example, you can configure port 1/1 as a member of a static trunk
group or you can enable 802.3ad link aggregation on the port, but you cannot do both.
Figure 78 shows an example of a configuration that uses trunk groups.
TABLE 70 Supported trunk group and dynamic link aggregation features
Feature PowerConnect B-Series FCX
Trunk groups Yes
Trunk threshold for static trunk groups Yes
Flexible trunk group membership Yes
Option to include Layer 2 in trunk hash
calculation
Yes
802.3ad link aggregation (dynamic trunk
groups)
Yes
Link Aggregation Control Protocol (LACP) Yes
Single link LACP Yes