Znyx Networks bh5700 - Manual (Page 178)

Duplicate Flash Image. If the switch can successfully boot from FlashROM device 2, then
FlashROM device 2 is fully operational.
Testing the Switch Fabric
You can test the functionality of the switch fabric by running the
zlc
command. The
zlc
command outputs the link status for any Ethernet Switch Blade interface.
Link Status for a single port
To query a link status for a single port type
zre<x> query
for example:
zlc zre13 query
Example Output:
Link Status for a range of ports
To query the link status for a range of ports, type
zre<x>..<x> query.
For example:
zlc zre0..23 query
Ethernet Switch Blade User's Guide release 3.2.2j page 178
sh-2.04# zlc zre13 query
zre13: <UP, 100FD, PAUSE ENABLE OFF, OK ON>
sh-2.04#