LLQ and Policy Maps

From: Nick Griffin (ngriffin@sio.midco.net)
Date: Mon Jan 30 2006 - 18:21:36 GMT-3


Question for the group. If I have a Priority Queue configured, and an
offered rate for say rtp traffic, should I have hit counts under pkts
matched in the output below, even if there is not currently congestion?
I believe that I should, but can someone please confirm?

#sh policy-map int ser 1/0:0.912
 Serial1/0:0.912: DLCI 912 -

  Service-policy output: MPLS-Voice

    Class-map: bearer (match-any)
      15758738 packets, 1036132052 bytes
      30 second offered rate 35000 bps, drop rate 0 bps
      Match: dscp ef (46)
        173714 packets, 11116026 bytes
        30 second rate 35000 bps
      Queueing
        Strict Priority
        Output Queue: Conversation 72
        Bandwidth 392 (kbps) Burst 9800 (Bytes)
        (pkts matched/bytes matched) 0/0
        (total drops/bytes drops) 0/0

Current Config:

lass-map match-any lan-ingress-bearer
 match access-group name VoIP
class-map match-any lan-ingress-control
 match access-group name Control

policy-map LAN-Voice
 class lan-ingress-bearer
  set dscp ef
 class lan-ingress-control
  set dscp af31

class-map match-any bearer
 match dscp ef
class-map match-any control
 match dscp af31
class-map match-all default
!
!
policy-map MPLS-Voice
 class bearer
  priority 392
 class control
  bandwidth 8
  queue-limit 512
 class class-default
  fair-queue

ip access-list extended Control
 permit tcp any range 2000 2002 any
 remark SCCP
 permit tcp any any range 2000 2002
 remark H323 Slow Start
 permit tcp any any range 11000 11999
 remark H323 MGCP
 permit udp any any eq 2427
 permit tcp any eq 1720 any
 permit tcp any eq 1719 any
 permit tcp any any eq 1720
 permit tcp any any eq 1719
ip access-list extended VoIP
 permit ip any any dscp ef
 permit udp any any range 16384 32767
 permit udp any range 16384 32767 any
 permit ip any any precedence critical
 permit icmp any host 172.30.70.240

int gig 0/1.1
 service-policy input LAN-Voice

int ser 1/0:0.912
 service-policy output MPLS-Voice



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