Our main PBX medpro and clan cards are connected to a 4503 running 12.2(31)SGA.
It has a Sup II+ and two WS-X4524-GB-RJ45V modules.
The codec on the medpros is G-711 and the medpros are pumping out 200 - 300 calls. I'm allowing for 100kbps for each call, so I'm allowing for 30mbps of priority voice traffic on the up-links from the 4503 to the next hop router. I also am running L3 on the 4503.
Here is the pertinant QoS config statements.
qos dbl
qos map dscp 24 25 26 27 28 29 30 31 to tx-queue 4
qos map dscp 32 33 34 35 36 37 38 39 to tx-queue 4
qos map cos 3 to dscp 26
qos map cos 5 to dscp 46
qos
policy-map autoqos-voip-policy
class class-default
dbl
** typical medpro interface **
interface GigabitEthernet2/1
description ROC-MPX
switchport access vlan 626
switchport mode access
load-interval 30
speed 100
duplex full
qos trust dscp
auto qos voip trust
tx-queue 3
priority high
spanning-tree portfast
service-policy output autoqos-voip-policy
** Up-link interface to router **
interface GigabitEthernet2/24
description ROC-DW-A 4/6
no switchport
ip address 164.x.x.157 255.255.255.252
load-interval 30
duplex full
qos trust dscp
auto qos voip trust
tx-queue 3
priority high
spanning-tree portfast
service-policy output autoqos-voip-policy
Standard autoqos on the 4500 adds a 33% shaping command (which is really a policing command - it drops all packets that exceed 33%) which I took off because I don't want to police priority traffic. And I added the 'priority high' command to the tx-queue 3 which is supposedly the queue that COS-5/DSCP-46 is mapped to.
Now I need to know what is going on with the queues - how much of the tx-queue 3 is being used, etc. I cannot find any command that will show we that.
Is there one?
It doesn't seem that I can use class-maps and service-policies since they don't allow for 'priority' and 'bandwidth' statements. Otherwise I could use them and they supply lots of good statistics of what is going on with marked traffic.
