11-03-2006 05:22 PM - edited 03-03-2019 02:34 PM
I've the following QoS configuration in cisco 3725 router, and it seems to work fine, but I've question about the (pkts matched/bytes matched)..shall I be concern that the higher the nubmer gets, the more likely the chance that packets will get dropped?
Your input is greatly appreciated.
TIA,
Hieu
Current QoS config:
class-map match-any Network-Control
match ip dscp cs6
match ip dscp cs2
class-map match-any Critical-Data
match protocol citrix
match protocol sqlnet
match protocol sqlserver
match protocol custom-01
match protocol custom-02
match protocol custom-03
match protocol custom-04
match protocol printer
match protocol secure-http
class-map match-any Call-Signaling
match ip dscp cs3
class-map match-all Voice
match ip dscp ef
class-map match-all Scavenger
match ip dscp cs1
!
!
policy-map WAN-EDGE
class Voice
priority percent 31
class Call-Signaling
bandwidth percent 5
class Network-Control
bandwidth percent 5
class Scavenger
bandwidth percent 1
class Critical-Data
set ip dscp af21
bandwidth percent 34
random-detect dscp-based
class class-default
bandwidth percent 24
random-detect
Please see the attachment for policy-map output statistic.
Solved! Go to Solution.
11-03-2006 09:17 PM
Hi,
I think you are understanding the packets matched with the concept of packet drops in the statistics. You would have defined a bandwidth to a class and whenever there is traffic matched under the class , traffic is sent via that queue and packet counters increases similar to that of a physical interface ,but in qos its cumulative .
If your queue is full , then there is a chance of packets getting dropped and the same can be seen in the " drop" .Unless your class traffic doesnt exceed the BW , you dont have a problem and packets and bytes matched would keep on increasing.
Hope it helps
regards
vanesh k
11-03-2006 09:17 PM
Hi,
I think you are understanding the packets matched with the concept of packet drops in the statistics. You would have defined a bandwidth to a class and whenever there is traffic matched under the class , traffic is sent via that queue and packet counters increases similar to that of a physical interface ,but in qos its cumulative .
If your queue is full , then there is a chance of packets getting dropped and the same can be seen in the " drop" .Unless your class traffic doesnt exceed the BW , you dont have a problem and packets and bytes matched would keep on increasing.
Hope it helps
regards
vanesh k
11-04-2006 09:25 AM
Hi Vanesh - Thank you very much for your clarification and your input is really helpful.
Once again, thank you!
Hieu
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