Foundry Networks Switch and Router Installation And Configuration Manual page 500

Foundry Switch and Router Installation and Configuration Guide
M = A number from 1 to the maximum number of load-sharing paths. This value increases by 1 until it
reaches the maximum, then reverts to 1.
P = Number of equal-cost paths to destination network
S = Selected path
For reference, the following table lists the path that the network-based IP load sharing algorithm will select for
each combination of maximum number of paths and number of actual paths to the destination network. The
software orders the available paths based on when they enter the IP route table. The first path to enter the table
is path 1, and so on.
The rows with maximum path value 4 list the path selections that occur using the default maximum number of load
sharing paths, which is four.
Table 15.7: Path Selection for Network-Based IP Load Sharing
Number of Paths
2
3
4
15 - 58
Maximum Paths
2
3
4
5
6
7
8
2
3
4
5
6
7
8
2
3
4
5
6
7
8
Path Counter Value
1 2 3 4
2 1
2 1 2
2 1 2 1
2 1 2 1
2 1 2 1
2 1 2 1
2 1 2 1
2 3
2 3 1
2 3 1 2
2 3 1 2
2 3 1 2
2 3 1 2
2 3 1 2
2 3
2 3 4
2 3 4 1
2 3 4 1
2 3 4 1
2 3 4 1
2 3 4 1
5 6 7 8
2
2 1
2 1 2
2 1 2 1
3
3 1
3 1 2
3 1 2 3
2
2 3
2 3 4
2 3 4 1
December 2000