Quality of Service 115
Create a DiffServ class of type “all” for each of the departments, and name them. Define the match
criteria—Source IP address—for the new classes.
class-map match-all finance_dept
match srcip 172.16.10.0 255.255.255.0
exit
class-map match-all marketing_dept
match srcip 172.16.20.0 255.255.255.0
exit
class-map match-all test_dept
match srcip 172.16.30.0 255.255.255.0
exit
class-map match-all development_dept
match srcip 172.16.40.0 255.255.255.0
exit
Create a DiffServ policy for inbound traffic named internet_access, adding the previously created
department classes as instances within this policy. This policy uses the assign-queue attribute to put each
department's traffic on a different egress queue. This is how the DiffServ inbound policy connects to the
CoS queue settings established below.
policy-map internet_access in
class finance_dept
assign-queue 1
exit
class marketing_dept
assign-queue 2
exit
class test_dept
assign-queue 3
exit
class development_dept
assign-queue 4
exit
exit
Attach the defined policy to interfaces 1/g1 through 1/g4 in the inbound direction
interface ethernet 1/g1
service-policy in internet_access
exit
interface ethernet 1/g2
service-policy in internet_access
exit
interface ethernet 1/g3
service-policy in internet_access
exit
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