
Table 12 Physical IRF port requirements
Switch chassis | Candidate physical | Requirements | |
IRF ports | |||
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| • You must order interface cards separately. For | |
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| |
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| transceiver modules and fibers. For | |
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| connections, use CX4 or SFP+ cables. For more | |
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| information, see “Interface cards (only for the | |
5120 EI switches | Ports on the expansion | 5120 EI switches)“ and “SFP/SFP+/XFP | |
transceiver modules and SFP+/CX4 cables (only | |||
(excluding the | interface cards on the | for the 5120 EI switches).” | |
EI and the | rear panel | • Ports assigned to the same IRF port must be on the | |
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| ||
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| same interface card. | |
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| • All 5120 EI switches in a ring topology and the | |
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| ||
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| have at least one | |
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| ||
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| |
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| HP recommends that you use Gigabit SFP ports and | |
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| HP A3600 Switch SFP Stacking Kit cables for IRF | |
5120 SI switches | All network ports | connection. | |
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| For more information, see “SFP transceiver modules | |
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| and SFP Stacking Kit (only for the 5120 SI switches).” | |
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|
Planning the cabling scheme
Planning the cabling scheme for a 5120 EI IRF fabric
If
•You can connect the interface card in slot 1 (MOD 1) on a member switch to the MOD 1 or MOD 2 card on its neighboring switch.
•Connect the left port on one interface card to the right port on the other interface card, as shown in Figure 81.
Figure 81 Use 2-port interface cards to set up single-link IRF connection
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