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Bandwidth and Line Rate Considerations

Table 17 lists the average data rate on the ES2-S1 GE-8 IOA when installed in E120 and E320 routers with one ES2 4G LM installed.

Table 17: Average Data Rate for One ES2-S1 GE-8 IOA Installed with an ES2 4G LM

 

Port Combination

100 Gbps Configuration (E320 Router)

120 Gbps and 320 Gbps Configurations
(E120 and E320 Routers)
Average Data Rate per GE-8 IOA
(> 128 Byte Packets)		Average Data Rate per ES2 4G LM

Average Data Rate per GE-8 IOA
(> 128 Byte Packets)

Average Data Rate per ES2 4G LM

All eight ports

412.5 Mbps per port

412.5 Mbps per port

475 Mbps per port

475 Mbps per port

Any four ports

825 Mbps per port

825 Mbps per port

950 Mbps per port

950 Mbps per port

Any two ports

1 Gbps per port

1 Gbps per port

1 Gbps per port

1 Gbps per port

Table 18 lists the average data rate on two ES2-S1 GE-8 IOAs when installed in E120 and E320 routers with one ES2 4G LM installed.

Table 18: Average Data Rate for Two ES2-S1 GE-8 IOAs Installed with an ES2 4G LM

 

100 Gbps Configuration (E320 Router)

120 Gbps and 320 Gbps Configurations
(E120 and E320 Routers)
Port CombinationAverage Data Rate per GE-8 IOA
(> 128 Byte Packets)		Average Data Rate per ES2 4G LMAverage Data Rate per GE-8 IOA
(> 128 Byte Packets)

Average Data Rate per ES2 4G LM

All sixteen ports

206.25 Mbps per port

206.25 Mbps per port

237.5 Mbps per port

237.5 Mbps per port

Any eight ports

412.5 Mbps per port

412.5 Mbps per port

475 Mbps per port

475 Mbps per port

Any four ports

825 Mbps per port

825 Mbps per port

950 Mbps per port

950 Mbps per port

Any two ports

1 Gbps per port

1 Gbps per port

1 Gbps per port

1 Gbps per port

Table 19 lists the average data rate when combining an ES2-S1 GE-8 IOA in one adapter bay with the ES2-S1 OC3-8 ATM IOA, or the ES2-S1 OC12-2 ATM IOA, or the ES2-S1 OC12-2 POS IOA in another adapter bay. Because the OC3/STM1 and OC12/STM4 IOAs use less than half of the full bandwidth of the ES2 4G LM, the router allocates these IOAs as much bandwidth as they can use. The ES2-S1 GE-8 IOA uses any remaining bandwidth.

Each OC12/STM4 port has a maximum theoretical bandwidth of 622 Mbps. Each OC3/STM1 port has a maximum theoretical bandwidth of 155 Mbps. Therefore, the OC12/STM4 IOAs have a maximum theoretical bandwidth of 1.244 Gbps and the OC3/STM1 IOA has an maximum theoretical bandwidth of 1.244 Gbps.

Table 19: Average Data Rate for ES2-S1 GE-8 IOA Combined with Other IOA Types in Same Slot

 

Average Data Rate per GE-8 IOA
(> 128 Byte Packets)

 

Average Data Rate per OC12/STM4 IOA

100 Gbps Configuration
(E320 Router)

Average Data Rate
per ES2 4G LM

120 Gbps and 320 Gbps Configurations
(E120 and E320 Routers)

Average Data Rate
per ES2 4G LM
    

257 Mbps per port (Ports 0–7)

622 Mbps per port (Ports 0 and 1)

GE-8 IOA—257 Mbps per port

OC12/STM4—622 Mbps per port

GE-8 IOA—319.5 Mbps per port

OC12/STM4—622 Mbps per port
 

334.75 Mbps per port (Ports 0–7)

622 Mbps (Port 1)

GE-8 IOA—334.75 Mbps per port

OC12/STM4 IOA—622 Mbps for port 1

GE-8 IOA—397.25 Mbps per port

OC12/STM4 IOA—622 Mbps for port 1
 

387.5 Mbps per port (Ports 0–7)

100 Mbps per port (Ports 0 and 1)

GE-8 IOA—387.5 Mbps per port

OC12/STM4 IOA—100 Mbps per port

GE-8 IOA—450 Mbps per port

OC12/STM4 IOA—100 Mbps per port
 
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