Cisco 2975 - Catalyst LAN Base Switch Manual de usuario Pagina 18

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© 2007 Cisco Systems, Inc. All rights reserved. Cisco Confidential
18
System Bandwidth
ESP bandwidth denotes the total ‘output’ bandwidth of the system,
regardless of the direction
High priority traffic (as long as it is not over-subscribed
Example: <=10G for ESP-10G) will not be affected by this bandwidth limit
ESP-20G Examples:
10G
10G
ASR
10G Unicast in each direction
Total Output bandwidth 10+10=20
10G 10G
12G12G
ASR
10G Unicast in one direction and 12G Unicast
in the other direction
Total output bandwidth (10+12=22) exceeds
20G; Only 20G will go through
2G
4G
ASR
2G Multicast with 8X replication in one direction
4G unicast in the other direction
Total Output bandwidth 16+4=20G
16G
4G
2G 20G
2G2G
ASR
2G Multicast with 10X replication in one direction
2G Unicast in the other direction
Total bandwidth (20+2=22) exceeds 20G; only
20G will go through
10G
10G
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