Znyx Networks bh5700 - Manual (Page 347)

setmaxage <bridge> <time>
sets the bridge's maximum message age to <time> seconds.
setpathcost <bridge> <port> <cost>
sets the port cost of the port to <cost>. This is a dimensionless
metric. The path cost is set to 100 for all OpenArchitect switch
ports by default. IEEE 802.d recommends the following:
setportprio <bridge> <port> <priority>
sets the port's priority to <priority>. The priority value is an
unsigned 8-bit quantity (a number between 0 and 255), and has no
dimension. This metric is used in the designated port and root
port selection algorithms. For the OpenArchitect switch a port is
zre1, zre2, …
NOTES
brctl(8) replaces the older brcfg tool.
SEE ALSO
zconfig , zl2d
Ethernet Switch Blade User's Guide release 3.2.2j page 347
Link
Speed Recommended
Value Recommended
Range
10 Mb/s 100 50-600
100 Mb/s 19 10-60
1 Gb/s 4 3-10