9500 MXC User Manual
3DB 23063 ADAA - Rev 004 July 2007 Vol. II-3-57
Aggregation weighting refers to the way the aggregation keying process
allocates traffic between the aggregated link grouping. 16 keys are provided
and traffic is randomly assigned to a key. With two aggregated links of equal
capacity the weighting (number of keys) should be split 8/8. With three
aggregated links of equal capacity the split should be 5/5/6. The aggregation
weights must be assigned such that they always total 16.
Balanced aggregation weights are default applied, but where one of the
aggregated links is of different capacity, such as a 300 Mbps link aggregated
with a 150 Mbps link, the weighting on the 300 Mbps link should be set to 11,
and to 5 on the 150 Mbps link.
Figure 3-37 illustrates C1 and C2 aggregation; traffic on channels C1 and C2 is
aggregated and bridged to ports P1 to P4 to support a common LAN on all
ports. The default weighting applied is 8/8.
Figure 3-37. Transparent Mode with C1 and C2 Aggregation
Figure 3-38
illustrates C1, C2 and P1 aggregation, and the use of customized
aggregation weighting for an application where C1 and C2 are each mapped to
a 150 Mbps link, and P1 to a 300 Mbps link on a co-located INU. 8 keys are
assigned to the 300 Mbps, and 4 to each 150 Mbps link.
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