Cisco MGX 8950 Specifications download pdf (Page 407)

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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

Displaying SVCs

To reconfigure a BITS clock source, see the “Manually Configuring BITS Clock Sources” section in

Chapter 2, “Configuring General Switch Features.” To reconfigure a PXM1E line clock source, see the

“Configuring PXM1E Line Clock Sources” section in Chapter 3, “Provisioning PXM1E Communication

Links.” To reconfigure an AXSM line clock source, refer to the Cisco ATM Services (AXSM)

Configuration Guide and Command Reference for MGX Switches, Release 5.

Tip Enter the dspclksrcs command to display the current configuration settings for the primary clock source.

Having this information available makes it easier to re-enter the cnfclksrc command.

Note To change a clock source on the PXM from nonrevertive to revertive, enter the cnfclksrc with the option

–revertive enable.

When the primary clock source is restored on the master clock node, you may have to reconfigure the

primary clock source at each remote node where the node has switched from the primary source to the

secondary source. This reconfiguration is necessary only if the local node has detected a change in the

master clock source.

To determine if you need to reconfigure the primary clock at a nonmaster node, enter the dspclksrcs

command. If the active clock has changed to either secondary or internal clock, you must use the

cnfclksrc command to reconfigure the primary clock source for that node.

Displaying SVCs

To display active SVCs, use the following procedure.

Step 1 Establish a CLI management session at any user access level.

Step 2 Enter the following command:

mgx8830a.1.PXM.a > dsppncons

The following is an example report for the dsppncons command.

mgx8830a.1.PXM.a > dsppncons

Port VPI VCI CallRef:Flag X-Port VPI VCI CallRef:Flag Type OAM-Type Pri

9:1.1:1 0 32 1: 0 9:1.2:2 0 36 5: 0 PTP No 3

Calling-Addr:47.666666666666666666666666.666666666666.00

Called-Addr: 47.111111111111111111111111.111111111111.64

9:1.2:2 0 36 5 9:1.1:1 0 32 1: 0 PTP No 3

Calling-Addr:47.666666666666666666666666.666666666666.00

Called-Addr: 47.111111111111111111111111.111111111111.64

Managing Controllers

Cisco MGX switches support one PNNI controller, and Cisco MGX 8850 (PXM45)and

Cisco MGX 8950 switches support up to two Label Switch Controllers. The controller identifies a

network control protocol to the Virtual Switch Interface (VSI) that runs on the node.

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