Specifications

9-35
Cisco MGX 8800/8900 Series Software Configuration Guide
Release 5.1, Part Number OL-6482-01, Rev. A0, January 25, 2005
Chapter 9 Switch Operating Procedures
Managing NCDP Clock Sources
Ncdp Vc status : up
Network clock vpi : 0
Network clock vci : 34
Admin cost : 10
Service Category : sig
PCR : 250
SCR : 150
MBS : 100
M8850_LA.8.PXM.a >
Displaying NCDP Information
The following sections describe how to display information about NCDP configuration in your network.
Display the Current NCDP Root Clock
Enter the dspncdp command to display the current NCDP root clock source on the network.
M8850_LA.8.PXM.a > dspncdp
Distribution Mode : ncdp
Node stratum level : 3
Max network diameter : 20
Hello time interval : 500 ms
Hold Down time interval : 500 ms
Topology change time interval : 500 ms
Root Clock Source : 255.255
Root Clock Source Reason : locked
Root Clock Source Status : ok
Root Stratum Level : unknown
Root Priority : 0
Secondary Clock Source : 0.0
Secondary Clock Source Reason : unknown
Secondary Clock Source Status : unknown
Last Clock Source change time : N/A
Last Clock Source change reason : None
Note When the switch is configured for manual clock distribution, the only parameter that is useful in the
dspncdp display is the Distribution Mode.
Table 9-16 describes the objects displayed by the dspncdp command.
Table 9-16 dspncdp Command Objects
Parameter Description
Distribution Mode Current enabled method of clock distribution. If the method chosen is
manual, NCDP is turned off, and vice-versa.
Node stratum level Stratum level of the clock source. Possible levels are 1, 2E, 2, 3E, 3, 4E,
or 4.
Max network diameter Maximum network diameter measured in hops.
Hello time interval Time interval between each configuration pdu sent out by a node to
advertise the best clock source in the network. This time interval is
specified in milliseconds in the display.