Configuration Guidelines And Restrictions - Cisco ASR 1000 Series Software Configuration Manual
Aggregation services routers sip and spa, cisco ios xe everest 16.5
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Also See for ASR 1000 Series:
- Configuration manual (442 pages) ,
- Replacing (120 pages) ,
- Common criteria operational user guidance and preparative procedures (72 pages)
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Prerequisites
The following figure shows the following sample configurations for the SPA-1CHOC3-CE-ATM,
SPA-2CHT3-CE-ATM, and SPA-24CHT1-CE-ATM:
• A TDM circuit is connected to port 0 on a SPA installed in slot 1, subslot 0 (T1 controller 1/0/0).
• Two pseudowires (PW10 and PW20) are configured to carry TDM data across the MPLS network.
• Two CEM groups (2 and 3) are configured for the data in the TDM time slots:
Figure 13: TDM Time Slots-to-Pseudowire Mappings
The following table lists the number of CEM groups you can configure for each CEM SPA.
Table 54: Number of CEM Groups Supported for Each Circuit Emulation SPA
CEoP SPA
1-Port Channelized OC-3 STM1 ATM CEoP SPA
2-Port Channelized T3/E3 ATM CEoP SPA
24-Port Channelized T1/E1 ATM CEoP SPA
Configuration Guidelines and Restrictions
Not all combinations of payload size and dejitter buffer size are supported. Payload size, or dejitter
configurations are rejected at the CLI level in the CEM circuit mode on the SPA, if they are not compatible.
Incompatible parameter modifications (if any), will be rejected, and the configuration will fall back to the old
dejitter and payload parameters if the parameters are being applied through the CEM class template.
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
498
◦ Time slots 1 through 6 are sent over pseudowire 10 to the remote PE router at 10.0.0.0.
◦ Time slots 8 through 13 are sent to the PE router 11.0.0.0 over pseudowire 20.
Configuring the Circuit Emulation over Packet Shared Port Adapter
Number of Supported CEM Groups
576
576
191
OL-14127-17
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