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In the IPv4 headers:
- IP protocol
- Source address
- Source port
- Destination address
- Destination port
- DSCP value
- TOS value
In the Ethernet header:
- Ether-type
- Source address
- Destination address
- VLAN ID
- VLAN priority
- VLAN encapsulated ether-type
The following figures show a simplified relationship between the packet classifiers and the packet queues.
Figure 3-208. Packet classification for locally generated traffic
Ingress
Interface
It is important to note that the Ethernet classifiers are only pertinent to traffic that is bridged through the
system.
By design, Orbit QoS will affect data priorities if and only if the interface is saturated.
For example, QoS configured as:
- GOOSE traffic treated as the highest priority.
- VLAN 101 traffic treated as the next lowest priority.
- All remaining traffic treated as the lowest priority.
In this case, QoS is invoked only when traffic is queued due to exceeding maximum throughput. GOOSE
traffic would be given highest priority and be sent over the air first, followed by any VLAN 101 traffic
and then all remaining traffic.
Configuring
In the web UI, the QoS service is configured under QoS Services ---> Basic Config.
MDS 05-6632A01, Rev. F
Local Process
IPv4 Classifiers
Ingress
IPv4 Classifiers
Interface
Figure 3-209. Packet classification of routed traffic
Ethernet
Bridge
Classifiers
Figure 3-210. Packet classification of bridged traffic
MDS Orbit MCR/ECR Technical Manual
Egress
Packet Queue
Interface
Egress
Packet Queue
Interface
IPv4 Classifiers
Packet Queue
Egress
Interface
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Troubleshooting
