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Forum Discussion
Solved
Duplicate ICMP replies from Xbox
Was trying to troubleshoot some network errors after my spouce had TWC "assist" with the cable modem. After sorting out the issues TWC caused (Side rant here: (reset the modem, disabled firewall, re...
The DUP! error occurred wired or wireless.
Also isolated the cause on the XBox client identifying the symptoms only occurred during a multi-player game and not during one player connection or background downloads.
I think I narrowed it down to the MTU size on the netgear router. To make it work for one client device reducing the mtu size for the entire router seems silly. Perhaps NG will come out with a variable/dynamic sizing in the future.
To identity the issue I sent pings using -D and -s and reduced packet size unit I had the largest multiple of 8 that did not produce an error.
Hello NH_X4S_AC2600
Welcome to the community!
How is the Xbox connected, wired or wireless?
How many Xboxes are connected?
See this link if it will help.
The DUP! error occurred wired or wireless.
Also isolated the cause on the XBox client identifying the symptoms only occurred during a multi-player game and not during one player connection or background downloads.
I think I narrowed it down to the MTU size on the netgear router. To make it work for one client device reducing the mtu size for the entire router seems silly. Perhaps NG will come out with a variable/dynamic sizing in the future.
To identity the issue I sent pings using -D and -s and reduced packet size unit I had the largest multiple of 8 that did not produce an error.
So adjusting the MTU helped?