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Dell PowerStore PowerStore T and Q Networking Guide for Storage Services

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Cable the ToR switches together

The two Top of Rack (ToR) switches are cabled together when a PowerStore model is deployed with Virtual Link Trunking interconnect (VLTi).

Table 1. Available switch-to-switch portsLists the 100 GbE port numbers that can be used for VLTi.
PowerSwitch 100 GbE Ports
S4148F-ON 25, 26, 29, and 30

Use two cables that support connectivity between the high-speed ports, for example 100Gbps Direct Attached Cables (DAC).

It is recommended that you use the same port numbers for the pair on the top and bottom switch.

Figure 1. Switch-to-switch connectivity
Diagam of cabling two top-of-rack switchs for VLTi.
1. Connect 100 GbE port 25 of the bottom switch (1) to 100 GbE port 25 of the top switch (2).
2. Connect 100 GbE port 26 of the bottom switch (1) to 100 GbE port 26 of the top switch (2).

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