Making sure Qos is working?
Hi All,
This question has probably been asked a million times but I cannot find a solid answer. We had our routers setup by an external company and I'm not sure if they completely finished the Qos settings on the routers. How do I check?
I am new to QoS so bear with me.
Our setup can be seen in the diagram attached.
The user switches are running AutoQos on each port
interface GigabitEthernet6/0/46
description ### CISCO VOICE & DATA PORT ###
switchport access vlan 5
switchport mode access
switchport voice vlan 10
srr-queue bandwidth share 10 10 60 20
queue-set 2 <-- Not sure why this is set on some switches and not on others
priority-queue out
mls qos trust device cisco-phone
mls qos trust cos
auto qos voip cisco-phone
spanning-tree portfast
service-policy input AutoQoS-Police-CiscoPhone
There is a global QoS config set automatically by AutoQos template.
The Etherchannel-Trunk ports from the user switches to the Core switches and vice versa have the following commands set
mls qos trust dscp
priority-queue out
Q1: What Qos settings need to be added to the core switch? I have no phones are attached to it.
Currently we have the following global Qos values set
mls qos
mls qos map cos-dscp 0 8 16 24 32 46 48 56
Q2: What Qos settings need to be added to the router subinterface ports and global configs.
mls qos is not set globally but there are a bunch of policy-maps and class-maps?
Subinterface ports
interface GigabitEthernet0/0.10
description ### VOICE VLAN INTERFACE ###
encapsulation dot1Q 10
ip address 192.168.10.254 255.255.255.0
Interface 0/1 to Private network (class-maps and policy maps)
class-map match-all AllTraffic
match any
class-map match-any JTAPI
match access-group 110
class-map match-any voip-sig
match access-group name voip-signal
match ip dscp af31
match ip dscp cs3
class-map match-any voip-rtp
match ip rtp 16384 16383
match ip dscp ef
policy-map llq-voip
class voip-rtp
priority 256
class voip-sig
bandwidth 16
class JTAPI
set dscp cs3
bandwidth 20
class class-default
fair-queue
random-detect dscp-based
policy-map shape-wan
class AllTraffic
shape average 50000000
service-policy llq-voip
policy-map mark-all
class voip-rtp
set dscp ef
class voip-sig
set dscp cs3
class class-default
set dscp default
ip access-list extended voip-signal
permit tcp any any eq 1720
permit tcp any eq 1720 any
permit tcp any any eq 2000
permit tcp any eq 2000 any
permit tcp any any range 11000 11999
permit tcp any range 11000 11999 any
permit tcp any any eq 2748
permit tcp any eq 2748 any
permit tcp any any eq 8404
permit tcp any eq 8404 any
permit tcp any any eq 42027
permit tcp any eq 42027 any
permit tcp any any range 59000 59025
permit tcp any range 59000 59025 any
interface GigabitEthernet0/1
description ### Private Network ###
ip address 192.168.255.2 255.255.255.252
duplex full
speed 100
service-policy input mark-all
service-policy output shape-wan
Still looking into what all these values mean.
Regards
show policy-map interface GigabitEthernet6/0/46 (This is off the Melbourne 3750G-USER01 switch)
GigabitEthernet6/0/46
Service-policy input: AUTOQOS-SRND4-CISCOPHONE-POLICY
Class-map: AUTOQOS_VOIP_DATA_CLASS (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: ip dscp ef (46)
Class-map: AUTOQOS_VOIP_SIGNAL_CLASS (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: ip dscp cs3 (24)
Class-map: AUTOQOS_DEFAULT_CLASS (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: access-group name AUTOQOS-ACL-DEFAULT
Class-map: class-default (match-any)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
0 packets, 0 bytes
5 minute rate 0 bps
show policy-map int GigabitEthernet0/1 (Off the Melbourne 2800 Router )
GigabitEthernet0/1
Service-policy input: mark-all
Class-map: voip-rtp (match-any)
422882260 packets, 73717373837 bytes
5 minute offered rate 117000 bps, drop rate 0 bps
Match: ip rtp 16384 16383
422145770 packets, 73561857794 bytes
5 minute rate 114000 bps
Match: ip dscp ef (46)
736511 packets, 155520147 bytes
5 minute rate 2000 bps
QoS Set
dscp ef
Packets marked 422882281
Class-map: voip-sig (match-any)
400358097 packets, 44842004330 bytes
5 minute offered rate 31000 bps, drop rate 0 bps
Match: access-group name voip-signal
396250102 packets, 44527028287 bytes
5 minute rate 31000 bps
Match: ip dscp af31 (26)
2787234 packets, 234418763 bytes
5 minute rate 0 bps
Match: ip dscp cs3 (24)
1320764 packets, 80557256 bytes
5 minute rate 0 bps
QoS Set
dscp cs3
Packets marked 400358262
Class-map: class-default (match-any)
18847301096 packets, 13836330525020 bytes
5 minute offered rate 16131000 bps, drop rate 0 bps
Match: any
QoS Set
dscp default
Packets marked 18847294088
Service-policy output: shape-wan
Class-map: AllTraffic (match-all)
18031038728 packets, 11420761193505 bytes
5 minute offered rate 12704000 bps, drop rate 0 bps
Match: any
Traffic Shaping
Target/Average Byte Sustain Excess Interval Increment
Rate Limit bits/int bits/int (ms) (bytes)
50000000/50000000 312500 1250000 1250000 25 156250
Adapt Queue Packets Bytes Packets Bytes Shaping
Active Depth Delayed Delayed Active
- 0 850797478 4183363168 170360913 3101776193 no
Service-policy : llq-voip
Class-map: voip-rtp (match-any)
341581698 packets, 27282557780 bytes
5 minute offered rate 56000 bps, drop rate 0 bps
Match: ip rtp 16384 16383
341574850 packets, 27281749554 bytes
5 minute rate 56000 bps
Match: ip dscp ef (46)
6851 packets, 808418 bytes
5 minute rate 0 bps
Queueing
Strict Priority
Output Queue: Conversation 264
Bandwidth 256 (kbps) Burst 6400 (Bytes)
(pkts matched/bytes matched) 2940781/225999928
(total drops/bytes drops) 537/661802
Class-map: voip-sig (match-any)
247531259 packets, 23679757170 bytes
5 minute offered rate 82000 bps, drop rate 0 bps
Match: access-group name voip-signal
247480960 packets, 23672100642 bytes
5 minute rate 82000 bps
Match: ip dscp af31 (26)
49905 packets, 7602622 bytes
5 minute rate 0 bps
Match: ip dscp cs3 (24)
401 packets, 54278 bytes
5 minute rate 0 bps
Queueing
Output Queue: Conversation 265
Bandwidth 16 (kbps) Max Threshold 64 (packets)
(pkts matched/bytes matched) 779747/105298466
(depth/total drops/no-buffer drops) 0/765/0
Class-map: JTAPI (match-any)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: access-group 110
0 packets, 0 bytes
5 minute rate 0 bps
QoS Set
dscp cs3
Packets marked 0
Queueing
Output Queue: Conversation 266
Bandwidth 20 (kbps) Max Threshold 64 (packets)
(pkts matched/bytes matched) 0/0
(depth/total drops/no-buffer drops) 0/0/0
Class-map: class-default (match-any)
17441925990 packets, 11369798942000 bytes
5 minute offered rate 12554000 bps, drop rate 0 bps
Match: any
Queueing
Flow Based Fair Queueing
Maximum Number of Hashed Queues 256
(total queued/total drops/no-buffer drops) 0/380841/0
exponential weight: 9
dscp Transmitted Random drop Tail drop Minimum Maximum Mark
pkts/bytes pkts/bytes pkts/bytes thresh thresh prob
af11 0/0 0/0 0/0 32 40 1/10
af12 0/0 0/0 0/0 28 40 1/10
af13 0/0 0/0 0/0 24 40 1/10
af21 0/0 0/0 0/0 32 40 1/10
af22 0/0 0/0 0/0 28 40 1/10
af23 0/0 0/0 0/0 24 40 1/10
af31 0/0 0/0 0/0 32 40 1/10
af32 0/0 0/0 0/0 28 40 1/10
af33 0/0 0/0 0/0 24 40 1/10
af41 0/0 0/0 0/0 32 40 1/10
af42 0/0 0/0 0/0 28 40 1/10
af43 0/0 0/0 0/0 24 40 1/10
cs1 13779821/19479353285 2/2948 0/0 22 40 1/10
cs2 0/0 0/0 0/0 24 40 1/10
cs3 0/0 0/0 0/0 26 40 1/10
cs4 0/0 0/0 0/0 28 40 1/10
cs5 0/0 0/0 0/0 30 40 1/10
cs6 1460106/221012238 0/0 0/0 32 40 1/10
cs7 0/0 0/0 0/0 34 40 1/10
ef 0/0 0/0 0/0 36 40 1/10
rsvp 0/0 0/0 0/0 36 40 1/10
default 246455719/11349551197230 257261/380315020 123578/179057908 20 40 1/10
Class-map: class-default (match-any)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
Hope this helps?
Do I need any class-maps policy-maps set on the Melbourne 3750X-CORE and 3750X switches.
* I am looking at basic Qos rules Voip packets take priority ... leave all other data packets untouched.
Thanks for having a look. Cheers
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