DescriptionCreating subnet based QoS rule to mark VoIP traffic with DSCP-EF.
ScopeKB ARTICLE TYPE:
Configuration
RELATED PRODUCTS: controller,
AP
RELATED
SOFTWARE VERSIONS: N/A
KEYWORDS: VoIP, traffic,
DSCP-EF
SolutionDSCP-EF stands for Differentiated
Service Code Point – Expedited Forwarding. To give priority to VoIP
traffic, ToS byte (In IP Header) is marked with DSCP-EF (46). (RTP/RTCP
=> UDP)
Configuration
Steps:
GUI
Steps:
1.
Configuration > QoS > System Settings > QoS and
Firewall Rules (tab).
2. Click Add. The screen below
appears.
3. ID:
Unique Numer
4.
Destination IP fields, type the destination
IP
5. Destination
Netmask fields, type the subnet mask for the destination IP
addrs.
6.
Destination Port
7.
Source IP
8. Source
Netmask
9. Source
Port
10. Net
Protocol
11. QoS
Protocol: None
12.
Action: Forward.
13.
Drop policy: Head.
14. DiffServ Codepoint: DSCP Class
EF.
15. Match
Checkbox: For any textbox with the corresponding Match checkbox
selected.
16. To add
the QoS rule, click
OK.
CLI
Steps:
controller#(config)# qosrule 10 netprotocol 17 qosprotocol
other
controller(config-qosrule)# srcip
x.x.x.x
controller(config-qosrule)# srcmask
x.x.x.x
controller(config-qosrule)# srcport
number
controller(config-qosrule)# dstip
x.x.x.x
controller(config-qosrule)# dstmask
x.x.x.x
controller(config-qosrule)# dstport
0
controller(config-qosrule)# action
forward
controller(config-qosrule)# dscp
ef
controller(config-qosrule)#
end
