[c-nsp] QoS help on Cisco 1841 from Covad
Nick Voth
nvoth at estreet.com
Fri Oct 17 20:49:56 EDT 2008
Hello folks,
I'm having some trouble getting my QoS policies for VoIP to work on a Covad
supplied T1 router. It looks like it's a Frame Relay interface. I have
applied the rules as I normally do on our Point-to-Point circuits, but I
don't see the rules catching any traffic. Can someone loan me another set of
eyes to see what I'm doing wrong here?
I didn't do the config for the Frame Interface. That's from Covad so I can't
really mess with that much. I'm only allowed to implement the QoS policies.
Thanks very much:
Config snippet ------>
class-map match-all VoIP-Data
match protocol rtp
match access-group 101
class-map match-all VoIP-Control
match protocol sip
match access-group 101
!
!
policy-map QoS-OUT
class VoIP-Control
bandwidth 60
class VoIP-Data
priority percent 90
class class-default
fair-queue 2048
!
!
interface Serial0/0/0
bandwidth 1536
no ip address
encapsulation frame-relay IETF
no ip mroute-cache
service-module t1 timeslots 1-24
service-module t1 fdl both
frame-relay lmi-type ansi
max-reserved-bandwidth 95
service-policy output QoS-OUT
!
interface Serial0/0/0.1 point-to-point
frame-relay interface-dlci 16 ppp Virtual-Template1
!
interface Virtual-Template1
ip address negotiated
ppp chap hostname 5411955 at bz8
ppp chap password 7 14xxxxxxxxxxx
ppp ipcp dns request
ppp ipcp route default
ppp ipcp address accept
!
!
!
access-list 101 permit ip any host xxx.xxx.xxx.xxx
Output of "show policy-map"------->
Router#show policy-map interface Serial0/0/0
Serial0/0/0
Service-policy output: QoS-OUT
Class-map: VoIP-Control (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: protocol sip
Queueing
Output Queue: Conversation 2057
Bandwidth 60 (kbps)Max Threshold 64 (packets)
(pkts matched/bytes matched) 0/0
(depth/total drops/no-buffer drops) 0/0/0
Class-map: VoIP-Data (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: protocol rtp
Queueing
Strict Priority
Output Queue: Conversation 2056
Bandwidth 90 (%)
Bandwidth 1382 (kbps) Burst 34550 (Bytes)
(pkts matched/bytes matched) 0/0
(total drops/bytes drops) 0/0
Class-map: class-default (match-any)
838 packets, 182315 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
Queueing
Flow Based Fair Queueing
Maximum Number of Hashed Queues 2048
(total queued/total drops/no-buffer drops) 0/0/0
Thanks very much!
-Nick Voth
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