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
120 Gbps and 320 Gbps
Configurations
(E120 and E320 Routers)
Average Data Rate
per ES2 4G LM
100 Gbps Configuration
(E320 Router)
Average Data Rate
per ES2 4G LM
Average Data
Rate per
OC12/STM4
IOA
Average Data
Rate per GE-8
IOA
(> 128 Byte
Packets)
GE-8 IOA—319.5 Mbps
per port
OC12/STM4—622 Mbps
per port
GE-8 IOA—257 Mbps
per port
OC12/STM4—622 Mbps
per port
622 Mbps per
port (Ports 0
and 1)
257 Mbps per
port (Ports 0–7)
GE-8 IOA—397.25 Mbps
per port
OC12/STM4 IOA—622
Mbps for port 1
GE-8 IOA—334.75 Mbps
per port
OC12/STM4 IOA—622
Mbps for port 1
622 Mbps (Port
1)
334.75 Mbps per
port (Ports 0–7)
GE-8 IOA—450 Mbps per
port
OC12/STM4 IOA—100
Mbps per port
GE-8 IOA—387.5 Mbps
per port
OC12/STM4 IOA—100
Mbps per port
100 Mbps per
port (Ports 0
and 1)
387.5 Mbps per
port (Ports 0–7)
Managing High-Density Ethernet
With a 100 Gbps fabric configuration, the overall data rate for the ES2 4G LM with
ES2-S1 GE-8 IOAs is 3.3 Gbps. With a 120 Gbps fabric configuration or a 320 Gbps
fabric configuration, the overall data rate for the ES2 4G LM with ES2-S1 GE-8 IOAs
is 3.8 Gbps. In both configurations, the line module becomes highly oversubscribed
because of the IOA available wire rate. When paired with the ES2 4G LM, the data
rate of the ES2-S1 GE-8 IOA is bandwidth limited with larger frames, and the packet
rate is limited with smaller frames.
NOTE:
The overall data rate of the ES2-S1 GE-8 IOA is 0.1 Gbps less than other IOAs
that pair with the ES2 4G LM because of fair bandwidth allocation across the eight
ports.
Currently, flow control using MAC pause frames is disabled on the ES2-S1 GE-8 IOA.
The IOA does not transmit or receive pause frames.
For more information about high-density Ethernet on E-series routers, see
“High-Density Ethernet” on page 192
.
Gigabit Ethernet I/O Modules and IOAs
■
185
Chapter 5: Configuring Ethernet Interfaces
Summary of Contents for JUNOSE 10.0.X PHYSICAL LAYER
Page 6: ...vi...
Page 8: ...viii JUNOSe 10 0 x Physical Layer Configuration Guide...
Page 16: ...xvi List of Figures JUNOSe 10 0 x Physical Layer Configuration Guide...
Page 18: ...xviii List of Tables JUNOSe 10 0 x Physical Layer Configuration Guide...
Page 28: ...2 Chapters JUNOSe 10 0 x Physical Layer Configuration Guide...
Page 98: ...72 Monitoring Interfaces JUNOSe 10 0 x Physical Layer Configuration Guide...
Page 200: ...174 Monitoring Interfaces JUNOSe 10 0 x Physical Layer Configuration Guide...
Page 253: ...Part 2 Index Index on page 229 Index 227...
Page 254: ...228 Index JUNOSe 10 0 x Physical Layer Configuration Guide...
Page 262: ...236 Index JUNOSe 10 0 x Physical Layer Configuration Guide...
