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HPE7-A07 Exam - Topic 1 Question 28 Discussion

Posted by Shelba on Jan 12, 2025 at 04:09 AM

The ACME company has an AOS-CX 6200 switch stack with an uplink oversubscription ratio of 9.6:1. They are considering adding two more nodes to the stack without adding any additional uplinks due to cabling constraints One of their architects has expressed concerns that their critical UDP traffic from both wired and bridged AP clients will encounter packet drops. They have already applied the following configuration:

Which strategy will complement this solution to achieve their objective?

Suggested Answer: A, E

When troubleshooting a WLAN with 802.1X tunneled SSID issues, AP tunnel states indicate the status of the connection between the AP and the gateway/controller. The states 'SM_STATE_REKEYING' and 'SM_STATE_CONNECTING' could indicate transitional states where the connection has not been fully established, hence users might face issues connecting to the SSID. 'SM_STATE_REKEYING' implies that the AP is in the process of re-establishing encryption keys, while 'SM_STATE_CONNECTING' indicates that the AP is trying to establish a connection with the controller or gateway. These states could lead to temporary connectivity issues until the state transitions to 'SM_STATE_CONNECTED'.


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31 comments · newest first
HY
Hyun 11 months ago
Wait, AF42 for UDP? That seems risky!
HE
Herschel 11 months ago
Marking critical UDP with CSS sounds like the right move!
ES
Esteban 11 months ago
I’m not sure adding nodes without more uplinks is a good idea.
LU
Luis 12 months ago
Totally agree, they need to prioritize that UDP traffic.
CA
Carmelina 12 months ago
That oversubscription ratio is pretty high!
LA
Lanie 12 months ago
I feel like marking lower priority TCP traffic is less relevant here since the focus is on preventing drops for UDP.
LU
Luz 1 year ago
I remember studying about AF classes, but I can't recall if AF42 is the best choice for UDP traffic.
KE
Keena 1 year ago
This reminds me of a practice question where we had to prioritize voice traffic. I think marking with CSS might be the right approach here.
DE
Demetra 1 year ago
I'm not entirely sure, but I think marking critical UDP traffic could help prioritize it over other types.
GE
Germaine 1 year ago
Based on the information given, I'd recommend marking the critical UDP traffic with a higher priority DSCP value like AF42. That should help ensure it gets prioritized over the lower priority TCP traffic.
GR
Gretchen 1 year ago
The images provided give a lot of helpful context, but I'm still a bit confused about how the different QoS marking options would impact the traffic. I'll need to think through the tradeoffs of each choice carefully.
AI
Ailene 1 year ago
Okay, so we have an oversubscribed switch stack and concerns about UDP traffic drops. I'm thinking marking the lower priority TCP traffic with a lower DSCP value like AF11 could be a good approach to prioritize the critical UDP traffic.
LI
Lino 1 year ago
Hmm, I'm a bit unsure about the specifics of the AOS-CX 6200 switch stack and the uplink oversubscription ratio. I'll need to review those details carefully before deciding on the best strategy.
FR
Francoise 1 year ago
This question seems pretty straightforward. I think I have a good handle on the concepts involved and can work through this step-by-step.
MI
Micaela 1 year ago
Hmm, I wonder if they have any 'mission critical' UDP traffic that requires even higher priority, like voice or video? Maybe AF42 would be a better choice than just plain old CS.
ES
Estrella 1 year ago
Option B all the way! Gotta protect that critical UDP traffic. Can't have those packets dropping, that would be a disaster!
GA
Gayla 1 year ago
↳ replying to Estrella
User 3: Definitely, it would cause major issues if the critical UDP traffic is not prioritized.
YU
Yuette 1 year ago
↳ replying to Estrella
User 2: Agreed, can't risk those packets dropping.
AD
Adell 1 year ago
↳ replying to Estrella
User 1: Option B all the way! Gotta protect that critical UDP traffic.
BE
Beata 1 year ago
Definitely going with option B. Marking the UDP traffic as high priority is the way to go, especially with that high uplink oversubscription ratio.
ER
Eric 1 year ago
I was thinking the same thing. Marking the UDP traffic with a higher priority class-selector like CS5 or CS6 should give it the needed priority over the lower priority TCP traffic.
FR
Francoise 1 year ago
↳ replying to Eric
I agree, marking the critical UDP traffic with a higher priority class-selector like CSS should help prioritize it over the lower priority TCP traffic.
CE
Celia 1 year ago
↳ replying to Eric
B) edge mark critical UDP Traffic with CSS
CH
Cherry 1 year ago
↳ replying to Eric
A) edge mark lower priority TCP traffic with AF12
SO
Son 2 years ago
Option B looks like the correct choice here. Marking the critical UDP traffic with a higher priority class-selector (CS) should help ensure it gets the necessary bandwidth.
TH
Thaddeus 1 year ago
↳ replying to Son
User 3: Definitely, marking it with a higher priority class-selector will help maintain the necessary bandwidth.
AM
Amos 1 year ago
↳ replying to Son
User 2: I agree. It's important to ensure that critical UDP traffic doesn't encounter packet drops.
GL
Glory 1 year ago
↳ replying to Son
User 1: I think option B is the way to go. Marking critical UDP traffic with CSS will prioritize it.
GL
Glendora 2 years ago
But wouldn't marking critical UDP traffic with AF42 provide better QoS for our network?
GE
Gerald 2 years ago
I disagree, I believe option B to edge mark critical UDP traffic with CSS would be a better choice.
GL
Glendora 2 years ago
I think we should go with option D to edge mark critical UDP traffic with AF42.
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