Cisco MGX 8950 Specifications download pdf (Page 405)

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Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide

Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004

Chapter 9 Switch Operating Procedures

Managing Manually Configured Clocks Sources

In the following example, the user deletes the clock source from the E1 port number 7.35 on a

Cisco MGX 8850 (PXM45) switch.

M8850_LA.8.PXM.a > delncdpclksrc 7.35

M8850_LA.8.PXM.a >

Managing Manually Configured Clocks Sources

The following sections provide commands and procedures for managing manually configured clock

source.

View the Configured Clock Sources

One command allows you to view the configured clock sources and determine which clock source is

active. To view the configured clock sources, use the following procedure.

Step 1 Establish a configuration session at any access level.

Step 2 Enter the dspclksrcs command.

mgx8830a.1.PXM.a > dspclksrcs

The following example shows a display with neither primary nor secondary clocks configured. This is

the default configuration of a switch, which uses the internal clock as the network clock source.

Whenever the active clock is listed as null, the switch is using the internal clock.

mgx8830a.1.PXM.a > dspclksrcs

Primary clock type: null

Primary clock source: 0.0

Primary clock status: not configured

Primary clock reason: okay

Secondary clock type: null

Secondary clock source: 0.0

Secondary clock status: not configured

Secondary clock reason: okay

Active clock: internal clock

source switchover mode: non-revertive

In the following example, the display shows that both the primary and secondary clocks are configured

for network clock sources. The primary clock source is coming from port 1 on the PXM1E card in slot

1. The primary clock source is active. The secondary clock source is coming from port 1 on the CESM

card in slot 6.

mgx8830a.1.PXM.a > dspclksrcs

Primary clock type: generic

Primary clock source: 1:2.2:1

Primary clock status: ok

Primary clock reason: okay

Secondary clock type: generic

Secondary clock source: 6:1.1:1

Secondary clock status: ok

Secondary clock reason: okay

Active clock: primary

source switchover mode: non-revertive

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