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Figure4-3 IRF fabric in ring topology
1
2
3
Identifying physical IRF ports on the member switches
Identify the physical IRF ports on the member switches according to your topology and connection
scheme.
Table4-1
shows the physical ports that can be used for IRF connection and the port use restrictions.
Table4-1 Candidate physical IRF ports and their use restrictions
Chassis
S6520X-30QC-EI
S6520X-30QC-HI
S6520X-54QC-EI
S6520X-54QC-HI
IRF-port1
IRF-port2
IRF-port1
2
Candidate physical IRF ports
•
24 × SFP+ ports on the front panel
•
2 × QSFP+ ports on the front panel
•
The following ports provided on the
expansion cards:
5G/2.5G/1000BASE-T
autosensing Ethernet ports
10G/5G/2.5G/1000BASE-T
autosensing Ethernet ports
SFP+ ports
QSFP+ ports
•
48 × SFP+ ports on the front panel
•
2 × QSFP+ ports on the front panel
•
The following ports provided on the
expansion cards:
5G/2.5G/1000BASE-T
autosensing Ethernet ports
10G/5G/2.5G/1000BASE-T
autosensing Ethernet ports
SFP+ ports
QSFP+ ports
4-4
IRF-port2
1
IRF-port1
IRF-port2
3
Use restrictions
•
Physical ports on interface
modules and the front panel can be
bound to the same IRF logical
interface.
•
All physical ports to be bound to an
IRF logical interface must have the
same data rate.
•
A QSFP+ port that is split into four
virtual SFP+ ports cannot be used
as a physical IRF port.
•
A QSFP28 port that is split into four
virtual SFP28 ports cannot be used
as a physical IRF port.
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