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Chapter 3
Overview: Cisco ASR 1000 Series Aggregation Services Routers SPAs
Each Cisco ASR1000-SIP10 has a 10 Gbps link to the Embedded Services Processor (ESP). Therefore,
there is an aggregate bandwidth limit—the sum of the total SPA bandwidth installed in the SIP—of 10
Gbps per SIP. This limit can be exceeded with the installation of some combinations of SPAs. See
Table 3-1
maximum bandwidth limitations of the ESP (5, 10, or 20 Gbps) depending on the ESP model installed.
Cisco ASR1000-SIP40 Oversubscription Guidelines
The total available bandwidth in your router ultimately depends on the features that you have enabled,
and the combination of hardware installed. However, this section describes some of the basic guidelines
that you can use to plan for a possible oversubscription on the Cisco ASR1000-SIP40.
Each Cisco ASR1000-SIP40 supports:
•
•
•
Double-wide SPAs are not supported on Cisco ASR1000-SIP40.
Warning
The chassis models of the Cisco ASR 1000 Series Aggregation Services routers support a different
maximum number of Cisco ASR1000-SIP40 as follows:
•
•
The Cisco ASR1000-SIP40 is not supported on the Cisco ASR1002 Router, Cisco ASR 1002-Fixed
Note
Router, and Cisco ASR 1002-X Router.
1-Port and 3-Port Clear Channel OC-3 ATM SPA Overview
The 1-Port and 3-Port Clear Channel OC-3 ATM SPA is a single-height SPA that installs into one SIP
subslot. The 1-Port and 3-Port Clear Channel OC-3 ATM SPA with small form-factor pluggable (SFP)
optical transceiver modules provides SONET and SDH network connectivity with a per-port bandwidth
of 155.52 Mbps.
The following sections describe the 1-Port and 3-Port Clear Channel OC-3 ATM SPA:
•
•
•
1-Port and 3-Port Clear Channel OC-3 ATM SPA LEDs
The 1-Port and 3-Port Clear Channel OC-3 ATM SPA has three types of LEDs: two LEDs for each port
on the SPA and one STATUS LED, as shown in
OL-14126-15
for individual SPA bandwidth values. This aggregate bandwidth is then subject to the
Four half-height (¼ rate or full rate or combination) SPAs with upto 24 ports per SPA
Two full-height (¼ rate or full rate or combination) SPAs with upto 48 ports per SPA
Combination of two half-height and one full-height SPAs that do not exceed 96 ports
Cisco ASR 1006 Router — three SIPs
Cisco ASR 1013 Router — six SIPs
1-Port and 3-Port Clear Channel OC-3 ATM SPA LEDs, page 3-7
1-Port and 3-Port Clear Channel OC-3 ATM SPA Interface Specifications, page 3-8
1-Port and 3-Port Clear-Channel OC-3 ATM SPA Cables and Connectors, page 3-8
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide
1-Port and 3-Port Clear Channel OC-3 ATM SPA Overview
Figure
3-1.
3-7
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Troubleshooting
