Cisco MGX 8830, Руководство по настройке

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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 3 Provisioning PXM1E Communication Links
General PXM1E Configuration Procedures
Step 4
To display a list of all APS lines on a PXM1E, enter the dspapslns command on the active PXM1E card.
Step 5 To display information on a specific APS line, enter the dspapsln <slot.bay.line> command on the active
PXM1E card.
For information on managing APS lines, see the “ Managing Redundant APS Lines ” section in Chapter 9,
“Switch Operating Procedures.”
Configuring Intercard APS Lines
Intercard APS configurations are created with the working and protection lines on different back cards.
As shown in
Figure 3-3 , intercard APS makes it possible to extend the fault tolerance provided by
redundant front cards to back cards and lines.
Figure 3-3 Redundant PXM1E Configuration with Intercard APS
Back card and line fault tolerance is provided by intercard APS. If the working line or the back card to
which it is connected fails, communications traffic is rerouted through the protection line and the back
card to which it is connected.
When planning a redundant line configuration that uses intercard APS on PXM1E, consider the
following requirements:
•
APS is not supported on T1, E1, T3, and E3 interfaces.
• Redundant PXM1E cards must be installed in the switch.
•
Some PXM1E back card types require an APS mini-backplane to support intercard APS. The
PXM1E APS mini-backplane requirements are describe in the Cisco MGX 8850 (PXM1E/PXM45),
Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Hardware Installation Guide, Releases
2 Through 5.
PXM1E front cards
80149
Midplane
PXM-UI-S3/B back cards
OC-3c or OC-3c/DS3 combination back cards
1
2
1
2
Working line 1.1
Protection line 1.1
Protection line 1.2
Working line 1.2