
28 Network OS Message Reference
53-1003227-01
System module descriptions
1
TRCE TRCE messages describe events and problems associated with the tracedump facility.
TS Time Service (TS) provides switch time-synchronization by synchronizing all clocks in the network.
The TS messages indicate information or errors during the switch time synchronization.
UCST UCST is a part of the fabric shortest path first (FSPF) protocol that manages the unicast routing
table.
UDLD UDLD messages indicate problems with the UniDirectional Link Detection (UDLD) module of the
Network OS.
UPTH UPATH is a part of the FSPF protocol that uses the SPF algorithm to dynamically compute a unicast
tree.
VC VC messages indicate any important information related to the vCenter CLI and its plugins.
VCS VCS messages indicate major events related to VCS cluster formation and node operations.
VRRP VRRP messages indicate information or problems with the VRRP module of the Network OS.
WLV Wolverine (WLV) ASIC is a component that connects the front-end port. WLV messages indicate
failures in the front-end port.
ZONE ZONE messages indicate any problems associated with the zoning features, including commands
associated with aliases, zones, and configurations.
TABLE 8 System module descriptions (Continued)
System
module
Description
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