Alcatel-Lucent OmniSwitch 6250, Cli Reference Manual, Page: 509 / 2018

Distributed Spanning Tree Commands
OmniSwitch 6250 CLI Reference Guide November 2009 page 16-69
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If a 16-bit path cost value is in use and the path_cost for a link aggregate is set to zero, the following
default values based on link speed and link aggregate size are used. Note that for Gigabit ports the
aggregate size is not applicable in this case:
Examples
-> bridge mode flat
-> bridge 1 4/1 path cost 19
-> bridge 1 5/1 path cost 0
-> bridge mode 1x1
-> bridge 455 1/24 path cost 2000
-> bridge 955 3/12 path cost 500
Release History
Release 6.6.1; command was introduced.
Link Speed
Aggregate Size
(number of links)
Default Path
Cost Value
10 Mbps 2 60
4 40
8 30
100 Mbps 2 12
4 9
8 7
1 Gbps N/A 3
10 Gbps N/A 1