must specify the physical location of the SIP, SPA, and interface in the command line interface (CLI). The
interface address format is slot/subslot/port , where:
• slot —Specifies the chassis slot number in the Cisco ASR 1000 Series Router in which the SIP is installed
• subslot —Specifies the secondary slot of the SIP in which 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 that is installed in subslot 1 of
the SIP in chassis slot 0:
Router(config)# interface cem 0/1/0
Configuring Port Usage: An Overview
The SPA-1CHOC3-CE-ATM can be configured to run only in the CEM mode. The 2-Port Channelized T3/E3
ATM CEoP SPA, introduced in Cisco IOS XE Release 3.4.0S, can be configured to run only in the ATM
mode. Effective from Cisco IOS XE Release 3.6.0S, the 2-Port Channelized T3/E3 ATM CEoP SPA supports
the CEM mode, but does not support the IMA mode. Effective from Cisco IOS XE Release 3.10.0S, The
24-port channelized T1E1 SPA supported ATM mode on the SPA-24CHT1-CE-ATM.
The following sections show how to configure each of the SPAs for the CEM mode.
Configuring SPA-1CHOC3-CE-ATM for SONET VT1.5
To configure SPA-1CHOC3-CE-ATM for SONET VT 1.5, perform the following procedure:
SUMMARY STEPS
1.
Router(config)# controller sonet slot/subslot/interface-id
2.
Router(config-controller)# framing sonet
3.
Router(config-controller)# sts-1 2
4.
Router(config-ctrlr-sts1)# mode vt-15
5.
Do one of the following:
•
Router(config-ctrlr-sts1)# vtg 2 t1 1 cem-group 1 unframed
•
•
•
DETAILED STEPS
PurposeCommand or Action
Selects the controller to be configured.
Router(config)# controller sonet slot/subslot/interface-id
Step 1
Specifies SONET framing.Router(config-controller)# framing sonet
Step 2
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 475
Configuring the Circuit Emulation over Packet Shared Port Adapter
Configuring Port Usage: An Overview
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