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A customer is deploying a new application across two ACI pods that is sensitive to latency and jitter. The application sets the DSCP values of packets to AF31 and CS6, respectively. Which configuration changes must be made on the APIC to support the new application and prevent packets from being delayed or dropped between pods?
Suggested Answer: C
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This will ensure that the Quality of Service (QoS) levels and policies within the ACI fabric and the IPN devices match, preventing packets from being delayed or dropped between pods. Additionally, it is important to align the DSCP values of the packets with the configured QoS levels to ensure that the application's requirements for latency and jitter are met.
40 comments · newest first
CO
Corrina
11 months ago
Surprised no one mentioned custom QoS policies yet!
TH
Thaddeus
11 months ago
Totally agree with you, Anglea!
MA
Maryann
11 months ago
Wait, isn't disabling DSCP translation risky?
AN
Anglea
11 months ago
I think aligning the ACI QoS levels is key here.
MI
Mitzie
12 months ago
Gotta disable DSCP mapping on IPN devices for sure.
JA
Jamey
12 months ago
I’m leaning towards option D because aligning the custom QoS policy seems important for ensuring the application runs smoothly across pods.
ON
Onita
1 year ago
I feel like I read that disabling DSCP translation could lead to issues, but I can't recall the exact implications.
VE
Verdell
1 year ago
I think we practiced a similar question where aligning QoS policies was crucial. It might be option C that we need to focus on.
QU
Quiana
1 year ago
I remember something about DSCP values and how they affect QoS, but I'm not sure if disabling DSCP mapping is the right move here.
VO
Vonda
1 year ago
This seems straightforward. We just need to make sure the custom QoS policy on the EPG site in the customer tenant is configured correctly to support the DSCP values.
CO
Coleen
1 year ago
The key here is making sure the DSCP values are mapped correctly between the ACI pods and the IPN devices. I'll focus on that and the QoS alignment.
ME
Mendy
1 year ago
I'm a bit confused by the DSCP translation policy. Does that need to be disabled or configured in a certain way? I'll have to review that part.
SH
Sherita
1 year ago
Okay, I think I know the answer here. We need to align the ACI QoS levels with the IPN QoS policies to make sure the packets are handled properly.
MA
Maybelle
1 year ago
Hmm, this looks like a tricky one. I'll need to think carefully about the DSCP settings and how they relate to the QoS policies in ACI.
OR
Oretha
1 year ago
I'm a bit confused by the options here. I'll need to double-check the definitions of each policy to make the right choice.
RO
Rory
2 years ago
Haha, DSCP translation policy? Sounds like a bad rap song. Nah, C is the way to go here. Gotta get those QoS ducks in a row!
KA
Kanisha
2 years ago
True, but aligning the custom QoS policy on the EPG site is crucial for this application.
YO
Yolande
2 years ago
Disabling DSCP mapping on the IPN devices could also help with latency.
RE
Reyes
2 years ago
I agree, we need to make sure the QoS levels match up to prevent any delays.
BU
Buck
2 years ago
Yeah, C is definitely the way to go. QoS alignment is key for this.
YO
Yoko
2 years ago
I'd have to go with C as well. Synchronizing the QoS configurations across the ACI and IPN layers is the key to supporting this latency-sensitive application. Gotta keep those packets flowing smoothly!
MI
Micaela
2 years ago
Let's make sure the custom QoS policy on the EPG site is aligned in the customer tenant as well.
AN
Annalee
2 years ago
Agreed, that's the best way to prevent packets from being delayed or dropped.
JO
Joni
2 years ago
I think we should align the ACI QoS levels and IPN QoS policies.
JO
Jodi
2 years ago
I'm not sure, but disabling DSCP translation policy could also help prevent delays.
CO
Colette
2 years ago
I agree with Mila, aligning the QoS levels would ensure smooth packet delivery.
MI
Mila
2 years ago
I think the answer is C) align the ACI QoS levels and IPN QoS policies.
ZA
Zana
2 years ago
D is definitely not the right answer. Aligning the custom QoS policy on the EPG site in the customer tenant won't address the issue of latency and jitter between the pods.
RE
Regenia
2 years ago
I agree, aligning the QoS levels and policies between ACI and IPN devices is crucial for minimizing latency and jitter.
TE
Terrilyn
2 years ago
C) align the ACI QoS levels and IPN QoS policies
CA
Carlee
2 years ago
B) disable DSCP translation policy
RE
Renea
2 years ago
A) disable DSCP mapping on the IPN devices
LA
Lauran
2 years ago
Hmm, I'm not sure about this one. Disabling DSCP mapping on the IPN devices seems like a good idea too. Let's see what the others think.
HE
Heike
2 years ago
D) align the custom QoS policy on the EPG site in the customer tenant
GE
Gerald
2 years ago
I think aligning the QoS levels and policies is the way to go.
MO
Mozell
2 years ago
C) align the ACI QoS levels and IPN QoS policies
EL
Elina
2 years ago
A) disable DSCP mapping on the IPN devices
LI
Lindsey
2 years ago
The correct answer is C. Aligning the ACI QoS levels and IPN QoS policies is crucial to ensure the new application is properly supported and prevent any packet delays or drops between the pods.
MI
Mitsue
2 years ago
No, I believe the correct answer is C) align the ACI QoS levels and IPN QoS policies.
KI
Kip
2 years ago
I think the answer is A) disable DSCP mapping on the IPN devices.