Feb 24 2023, 12:35 AM
QUOTE(n8210 @ Jan 29 2023, 12:10 PM)
Hi. I'd like to ask, after following youtube guide on how to determine optimized MTU and setting, I have this question below:
- Default Asus RT-AX55 MTU setting is 1492. When I ping google I get reply Packets needs to be fragmented and DF set.. So I start from 1500, slowly minus 10, until I discover my optimized value is 1464.
-After setting MTU to 1464, then I try the process again, and I get the same reply Packets needs to be fragmented and DF set.
Sent 4, Received 0, Lost 4
Am I doing something wrong? It seems so easy to test and find the optimized value but why after setting to optimized value, I get the not optimized readings?
Also, do I leave MRU alone or change MRU to the same value as MTU?
You are supposed to add 28 from ping value because ping length parameter only counts payload.- Default Asus RT-AX55 MTU setting is 1492. When I ping google I get reply Packets needs to be fragmented and DF set.. So I start from 1500, slowly minus 10, until I discover my optimized value is 1464.
-After setting MTU to 1464, then I try the process again, and I get the same reply Packets needs to be fragmented and DF set.
Sent 4, Received 0, Lost 4
Am I doing something wrong? It seems so easy to test and find the optimized value but why after setting to optimized value, I get the not optimized readings?
Also, do I leave MRU alone or change MRU to the same value as MTU?
1464 + 28 (ip+icmp header) = 1492, +8 (pppoe) = 1500 (ethernet max)
Default 1492 mtu is already at its best no need to tweak anything.
This post has been edited by failed.hashcheck: Feb 24 2023, 12:41 AM
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