200-155 · Question #74
Which two chassis discovery policy settings allow far a UCS chassis to be connected to a pair of Fabric Interconnect using only two physical connections? (Choose two)
The correct answer is D. 1-link E. Platform-max. The 1-link and Platform-max chassis discovery policies allow a UCS chassis to connect to a pair of Fabric Interconnects using only two physical connections, one from each I/O module.
Question
Which two chassis discovery policy settings allow far a UCS chassis to be connected to a pair of Fabric Interconnect using only two physical connections? (Choose two)
Options
- A4-link
- B2-link
- C8-link
- D1-link
- EPlatform-max
How the community answered
(22 responses)- A5% (1)
- B5% (1)
- D91% (20)
Why each option
The 1-link and Platform-max chassis discovery policies allow a UCS chassis to connect to a pair of Fabric Interconnects using only two physical connections, one from each I/O module.
The 4-link policy requires four physical connections per I/O module, totaling eight links for the chassis, which is more than the two physical connections specified.
The 2-link policy requires two physical connections per I/O module, totaling four links for the chassis, which is more than the two physical connections specified.
The 8-link policy requires eight physical connections per I/O module, totaling sixteen links for the chassis, which is significantly more than the two physical connections specified.
The 1-link chassis discovery policy is configured when each I/O module (IOM) in the UCS chassis uses only one physical uplink connection to the Fabric Interconnect, resulting in two total links for the chassis (one from each IOM). This setting allows for minimal cabling while still providing connectivity.
The Platform-max chassis discovery policy automatically configures the maximum supported number of links for the specific I/O module hardware, which for many UCS IOMs can include configurations like 1-link per IOM, thus supporting two total links per chassis. This policy provides flexibility and can accommodate minimal cabling setups.
Concept tested: Cisco UCS chassis discovery policy link configuration
Source: https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/gui/config/guide/3_1/b_UCSM_GUI_Configuration_Guide_3_1/b_UCSM_GUI_Configuration_Guide_3_1_chapter_010010.html#concept_1B132470782C4000B3454722881D2644
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