Cisco ASR 1000

27-4
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
OL-14127-08
Chapter 27 Classifying and Scheduling Packets for ASR 1000 Series
Information About Ingress Classification
Ta b l e 27-3 SIP-10 Oversubscription Details
ASR 1000 Chassis Type ESP Type Oversubscription State
• ASR1000-SIP10G
• Incoming rate
from SPAs.
Maximum 4
multiplied by 11.2
Gbps
• Outgoing rate
towards ESP 11.2
Gbps
Conclusion: SIP10G is
always
oversubscribed.
ESP-2.5 G and
ESP-5 G
(Supported only
on ASR-1002)
No ESP oversubcription.
ESPs interconnect device handles the entire 10G
incoming traffic.
ESP-10G ESP is oversubscribed.
Example:
Input rate from (example) 3 carrier cards is 3 multiplied
by 11.2Gbps
Output rate towards QFP=12.8Gbps
ESP-20G ESP is oversubscribed.
Example:
Input rate from (example) 3 carrier cards is 3 multiplied
by 11.2Gbps
Output rate towards QFP=25.6 Gbps
ESP-40G No ESP oversubscription.
Example:
Input rate from (example) 3 carrier cards is 3 multiplied
by 11.2Gbps
Output rate towards QFP=2*25.6 Gbps