IBM SAN768B-2, User Manual

Page: 174 / 228

Table 21. System architecture (continued)
Performance
2.125 Gbps line speed, full duplex.
4.25 Gbps line speed, full duplex.
8.50 Gbps line speed, full duplex.
10.51875 Gbps line speed, full duplex.
16.0 Gbps line speed, full duplex.
Autosensing of 2, 4, 8, and 16 Gbps port speeds
depending on SFPs used. Speed matching between 2,
4, 8, and 16-Gbps port speeds. 10-Gbps port speeds
with dedicated SFPs.
ISL Trunking Automatically uses up to 4 ports in a QSFP to form a 64
Gbps trunk. Can use up to two QSFPs; 8 ports in a
group to form a 128 Gbps trunk.
Aggregate bandwidth 10 Tbps populated with eight FC16-64 port blades and
using 32 ICL ports @ 64 Gbps).
Switch latency
FC8-32E, FC8-48E, and FC8-64 blades:
<700 ns any port to any port local switching and 2.1
µsec blade to blade at 8-Gbps, cutthrough routing.
FC16-32, FC16-48, and FC16-64 blades:
<700 ns any port to any port local switching and 2.1
µsec blade to blade at 16-Gbps, cutthrough routing.
FX8-24 blade - FC to FC:
<2.1 µsec any port to any port at 8 Gbps, cut-through
routing.
FCOE10-24 blade - CEE to CEE (different ASIC) and
FCoE to FC:
<5 µsec any port to any port at 8 Gbps, cut-through
routing.
Maximum frame size 2112-byte payload
Frame buffers 8000 per ASIC, with 5000 more that can be borrowed
from neighboring ASIC if enabled.
Port types
FC8-32E port blade : F_Port, E_Port, Ex_Port, and
M_Port.
FC8-48E port blade : F_Port, E_Port, Ex_Port, and
M_Port.
FC8-64 port blade : F_Port, FL_Port, E_Port, Ex_Port,
and M_Port.
FC16-32 port blade : F_Port, E_Port, Ex_Port, M_Port
and D_Port.
FC16-48 port blade : F_Port, E_Port, Ex_Port, M_Port
and D_Port.
FC16-64 port blade : F_Port, E_Port, Ex_Port, M_Port
and D_Port.
FS8-18 application blade : FL_Port, F_Port, E_Port,
EX_Port, and M_Port.
FX8-24 application blade : F_Port, FL_Port, E_Port,
and Ex_Port on FC.
VE_Port on GbE.
FCOE10-24 application blade: VF_Port
Note: Self-discovery is based on switch type (U_Port)
with an optional port type control.
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SAN768B-2 Installation, Service, and User Guide
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