qos

Question 1

what is the qoe recommendation max values of delay, jitter and loss for voip?

Answer 1

delay: 150ms
jitter: 30ms
loss: 1%

Question 2

what are the qoe recommendation max values of bandwidth, delay, jitter and loss for video

Answer 2

bandwdth: 384kb to 20mbit
delay: 200-400 ms
jitter: 30-50
loss: 0.1 - 1%

Question 3

how many bits is ipp?

how many bits is dscp?

Answer 3

ipp: 3
dscp: 8

Question 4

the cos field works on what type of link?

Answer 4

802.1q trunk

Question 5

what is tge marking field called for:
ipv4,ipv6?
802.1q?
802.11?
MPLS?

Answer 5

ip: ipp
802.1q: cos
802.11: tid
MPLS: exp

Question 6

in assured forwarding what is the meaning of the first value after AF?
What is the range from best to worst?

Answer 6

queue
4 to 1.
1 is worst

Question 7

in assured forwarding what is the meaning of the second value after AF?
What is the range from best to worst?

Answer 7

drop
1 to 3
3 is worst

Question 8

what is the equivalent cs value and dscp decimal of ipp 5?

Answer 8

ipp 5 is cs5 and ipp x8 is dscp 40

Question 9

what is queue starvation?

Answer 9

if too much trafic goes in the llq other queues will not forward trafic