CHAPTER 13
Configuring the POS SPAs
This chapter provides information about configuring the Packet over SONET (POS) shared port adapters
(SPAs) on the Cisco ASR 1000 Series Aggregation Services Routers. This chapter includes the following
sections:
For information about managing your system images and configuration files, refer to the Cisco IOS XE
Configuration Fundamentals Configuration Guide, Release 2 and Cisco IOS Configuration Fundamentals
Command Reference publications that correspond to your Cisco IOS XE software release.
•
Configuration Tasks, page 195
•
Verifying the Interface Configuration, page 204
•
Configuration Examples, page 205
Configuration Tasks
This section describes how to configure POS SPAs and includes information about verifying the configuration.
It includes the following topics:
Specifying the Interface Address on a SPA
SPA interface ports begin numbering with “0” from left to right. Single-port SPAs use only the port number
0. To configure or monitor SPA interfaces, you need to specify the physical location of the SIP, SPA, and
interface in the CLI. The interface address format is slot/subslot/port, where:
• slot—Specifies the chassis slot number in the Cisco ASR 1000 Series Router where the SIP is installed.
• subslot—Specifies the secondary slot of the SIP where the SPA is installed.
• port—Specifies the number of the individual interface port on a SPA.
The following example shows how to specify the first interface (0) on a SPA installed in the first subslot of
a SIP (0) installed in chassis slot 2:
Router(config)# interface serial 2/0/0
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 195
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