300-620 · Question #62
Refer to the exhibit. A client reports that the ACI domain connectivity to the fiber channel storage is experiencing a B2B credit oversubscription. The environment has a SYSLOG server for state…
The correct answer is B. 410. To address a B2B credit oversubscription for Fibre Channel storage connectivity in ACI, a value of 410 should be chosen. This value typically corresponds to a recommended priority pause buffer threshold within ACI's QoS and buffer policies for lossless FCoE traffic.
Question
Refer to the exhibit. A client reports that the ACI domain connectivity to the fiber channel storage is experiencing a B2B credit oversubscription. The environment has a SYSLOG server for state collection messages. Which value should be chosen to clear the critical fault?
Exhibit
Options
- A300
- B410
- C350
- D510
How the community answered
(21 responses)- A10% (2)
- B81% (17)
- C5% (1)
- D5% (1)
Why each option
To address a B2B credit oversubscription for Fibre Channel storage connectivity in ACI, a value of 410 should be chosen. This value typically corresponds to a recommended priority pause buffer threshold within ACI's QoS and buffer policies for lossless FCoE traffic.
A value of 300 is typically not the recommended buffer threshold for clearing critical B2B credit oversubscription faults in ACI FCoE contexts.
B2B credit oversubscription in Fibre Channel over Ethernet (FCoE) environments within ACI often indicates congestion at the buffer level. A value of 410 is a commonly referenced or recommended buffer threshold for priority pause queues dedicated to FCoE lossless traffic. Adjusting or confirming this value helps ensure sufficient buffer resources are allocated to prevent or mitigate B2B credit starvation for Fibre Channel traffic.
A value of 350 is generally not associated with the specific buffer adjustments required to clear B2B credit oversubscription in ACI FCoE environments.
A value of 510 is not the standard or recommended buffer threshold for resolving B2B credit oversubscription issues for Fibre Channel traffic in ACI.
Concept tested: ACI FCoE B2B credit management
Source: https://www.cisco.com/c/en/us/td/docs/dcn/aci/apic/6x/config-guide/cisco-apic-fcoe-config-guide-601/m_fcoe_deployment_considerations.html
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