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I need to configure 2 Ethernet adapters so that each of them tags their packet with a specific QoS priority. For example, adapter A would generate packets with a priority of 0, while adapter B would generate packets with priority 60.
I tried configuring a group policy and I have been able to set a priority (DSCP), validated with WireShark. However, even if I specify a specific source IP address, both adapters generate packets with the same priority.
Setting 2 group policies, one with 0 and the other with 60 doesn't help either.
Any idea what I'm doing wrong?
Any other suggestion how I could easily tag packets on specific interfaces connected to the same PC?
Thank you!
Simon
Posted 2016-01-06T15:44:06.633
Reputation: 11
You need to understand what you are connecting to. Many switches, by default, will reset any QoS markings back to
0, but routers typically will not. QoS is an end-to-end thing, and you need to make sure it is configured on all the network devices between you and the end-device. That is why QoS doesn't work on the Internet. – Ron Maupin – 2016-01-06T16:11:49.530I'm testing a managed switch. Anyway, Wireshark shows the packets before they get to the switch, and the priority is set for both adapters instead of just one of them. – Simon – 2016-01-06T16:25:21.307
You may want to double-check your switch. We ended up doing all the marking on the switches. – Ron Maupin – 2016-01-06T16:33:27.057
Well, setting priorities on the switch itself works fine (port-based priorities). It's a switch we are designing... I need to set the priority tag on the host, and let the switch assign a queue to that tag. – Simon – 2016-01-06T16:36:58.280