Diffserv For Voip Configuration Example - NETGEAR 7000 Series Administration Manual

NETGEAR 7000 Series Managed Switch Administration Guide Version 7.2
Attach the defined policy to interfaces 1/0/1 through 1/0/4 in the
inbound direction
(Netgear Switch) (Config)#interface 1/0/1
(Netgear Switch) (Interface 1/0/1)#service-policy in internet_access
(Netgear Switch) (Interface 1/0/1)#exit
(Netgear Switch) (Config)#interface 1/0/2
(Netgear Switch) (Interface 1/0/2)#service-policy in internet_access
(Netgear Switch) (Interface 1/0/2)#exit
(Netgear Switch) (Config)#interface 1/0/3
(Netgear Switch) (Interface 1/0/3)#service-policy in internet_access
(Netgear Switch) (Interface 1/0/3)#exit
(Netgear Switch) (Config)#interface 1/0/4
(Netgear Switch) (Interface 1/0/4)#service-policy in internet_access
(Netgear Switch) (Interface 1/0/4)#exit
Set the CoS queue configuration for the (presumed) egress inter-
face 1/0/5 such that each of queues 1, 2, 3 and 4 get a minimum
guaranteed bandwidth of 25%.
weighted round robin scheduling
by default. The DiffServ inbound policy designates that these
queues are to be used for the departmental traffic through the
assign-queue attribute.
ward this traffic to interface 1/0/5 based on a normal destination
address lookup for internet traffic.
(Netgear Switch) (Config)#interface 1/0/5
(Netgear Switch) (Interface 1/0/5)#cos-queue min-bandwidth 0 25 25 25 25 0 0 0
(Netgear Switch) (Interface 1/0/5)#exit
(Netgear Switch) (Config)#exit

DiffServ for VoIP Configuration Example

One of the most valuable uses of DiffServ is to support Voice over IP (VoIP). VoIP traffic is
inherently time-sensitive: for a network to provide acceptable service, a guaranteed transmission
rate is vital. This example shows one way to provide the necessary quality of service: how to set up
11-4
All queues for this interface use
It is presumed that the switch will for-
v1.0, May 2008
Differentiated Services