Is it possible to apply the below configuration on ME3800 switch. I need to use the switch just to aggregate the traffic coming from three ports each with separate VLAN and switch them through dot1q trunk link to the other site.
i dont have any EFP configuration.
the link is limited to 200Mbps
The QoS configuration should match and apply policy for traffic coming from the three input interfaces
class-map match-any class1
match dscp ef
match dscp 45
match dscp 47
match dscp 15
match dscp af31
match dscp cs4
bandwidth remaining percent 20
bandwidth remaining percent 10
bandwidth remaining percent 80
shape average 200000000
int g0/1--------------> this is the out interface which connects to site2, the link is limited to 200Mbps
service-policy output parent
switchport mode trunk
int g0/2------------->dscp 45, cs4 comming from this interface
switchport mode access
switchport access vlan 101
int g0/3-------------> dscp ef, dscp 15, AF31 comming from this interface
switchport mode access
switchport access vlan 102
int g0/4-------------> dscp 47 coming from this interface
The configuration and the setup looks ok. Tou can find my comment below.
First, you have to define a bandwidth to the class 1, if this class is needed and you need to have LLQ.
Second, regarding your QoS service policy you may have to use the max-reserved-bandwidth 100 command under the int gi 0/1.
"By default, when the bandwidth percent and priority percent commands are used to allocate bandwidth, the sum of the bandwidth percentage allocated to the high priority traffic and the bandwidth percentage allocated to the non-priority traffic cannot exceed 75 percent of the total bandwidth available on the interface.
The remaining 25 percent of the total bandwidth available on the interface is kept in reserve for the unclassified traffic and routing traffic, if any, and proportionally divided among the defined traffic classes. To override the 75 percent limitation, use themax-reserved bandwidth command in interface configuration mode." Source: Cisco web site
In practice, it is may better to configure max-reserved bandwith to a value close to 95% in order to always permit qos unmarked traffic to pass via this interface during congestions (e.g. routing updates, cdp, arp etc)
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