Alcatel-Lucent OmniSwitch 6250 Cli Reference Manual page 519

Distributed Spanning Tree Commands
Link Speed
Recommended Value
10 MB
100 MB
1 GB
10 Gbps
•
Is a 16-bit path cost value is in use and the path_cost is set to zero, the following IEEE 802.1D recom-
mended default path cost values based on link speed are used:
Link Speed
Recommended Value
4 Mbps
10 Mbps
16 Mbps
100 Mbps
1 Gbps
10 Gbps
•
If a 32-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:
Aggregate Size
Link Speed
(number of links)
10 MB
100 MB
1 GB
10 GB
OmniSwitch 6250 CLI Reference Guide
IEEE 802.1D
2,000,000
200,000
20,000
2,000
IEEE 802.1D
250
100
62
19
4
2
Default Path
Cost Value
2 1,200,000
4 800,000
8 600,000
2 120,000
4 80,000
8 60,000
2 12,000
4 8,000
8 6,000
2 1,200
4 800
8 600
November 2009 page 16-79