With priority queuing, the scheduler will service High queue packets first. Once high queue is empty only then attention will be given to low priority queues.
In your case, you wont lose your telnet connections. Since you have multiple rules for a single protocol (IP), just make sure your order appears the way you have pasted above, high statement should appear first in config.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...