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Am Mon, 19 Sep 2016 14:56:59 -0700 |
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schrieb Grant <emailgrant@×××××.com>: |
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> A while back I was having networking issues. I eventually tried |
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> drastically lowering the MTU of all the systems onsite and the issues |
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> disappeared. I always thought the issue was due to the MTU on our |
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> modem/router. Today I read that AT&T DSL requires a 1492 MTU so I |
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> increased the MTU of our systems up to 1492 and haven't had any |
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> issues. Do certain ISPs require you to change the MTU of your entire |
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> network, or is this likely due to our AT&T modem/router itself? |
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Are you using tunnels or a firewall that blocks related "icmp |
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fragmentation needed" packets? |
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Please also try to find out if you're experiencing packet loss. If |
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fragmented packets cannot be reassembled due to some packets lost, you |
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will probably find connections freezing or going really slow. |
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-- |
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Regards, |
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Kai |
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Replies to list-only preferred. |
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