
Port Trunking
Outbound Traffic Distribution Across Trunked Links
Manager Plus network management software to quickly and easily identify the
sources of heavy traffic (top talkers) and make adjustments to improve
performance.
Broadcasts, multicasts, and floods from different source addresses are dis-
tributed evenly across the links. As links are added or deleted, the switch
redistributes traffic across the trunk group. For example, in figure 13-12
showing a three-port trunk, traffic could be assigned as shown in table 13-6.
Switch Switch
A
W
C Y
B X
D Z
1
2
3
C
C
C
Figure 13-12. Example of Port-Trunked Network
Table 13-6. Example of Link Assignments in a Trunk Group (SA/DA Distribution)
Source: Destination: Link:
Node A Node W 1
Node B Node X 2
Node C Node Y 3
Node D Node Z 1
Node A Node Y 2
Node B Node W 3
13-26
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