Identifying Physical Irf Ports On The Member Switches; Planning The Cabling Scheme - H3C S5800-EI Series Installation Manual

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Identifying physical IRF ports on the member switches

Identify the physical IRF ports on the member switches according to your topology and connection
scheme.
Table 5
shows the physical ports that can be used for IRF connection and the port use restrictions.
Table 5 Physical IRF port requirements
Chassis
S5800-32C-EI
S5800-56C-EI
S5800-56C-EI-M

Planning the cabling scheme

Use SFP+/QSFP+ cables or SFP+/QSFP+ transceiver modules and fibers to connect the IRF
member switches. If the IRF member switches are far away from one another, choose the
SFP+/QSFP+ transceiver modules with optical fibers. If the IRF member switches are all in one
equipment room, choose SFP+/QSFP+ cables. For more information about SFP+/QSFP+ cables
and SFP+/QSFP+ transceiver modules, see
The following subsections describe several H3C recommended IRF connection schemes, and all
these schemes use a ring topology.
IMPORTANT:
In these schemes, all physical IRF ports are located on the same side. If physical IRF ports are on
different sides, you must measure the distance between them to select an appropriate cable.
Connecting the IRF member switches in one rack
Use SFP+ cables to connect the IRF member switches (9 switches in this example) in a rack as
shown in
Figure
connected in the rack.
Candidate physical IRF ports
Four fixed SFP+ ports on the front
panel
Ports on the expansion card on
the rear panel
38. The switches in the ring topology (see
Requirements
"Appendix C Ports and
Figure
30
All physical ports to be bound to an
IRF port must be the same type.
Physical ports on different interface
cards can be bound to the same
IRF port.
If a QSFP+ port is split into four
SFP+ ports, the QSFP+ port cannot
be used as a physical IRF port.
LEDs."
39) are in the same order as

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