Windows 2003 default mtu

Yes No. Thank you! Any more feedback? The more you tell us the more we can help. Can you help us improve? Resolved my issue. Clear instructions. Easy to follow. No jargon. Sign in. United States English. Ask a question. Quick access. Search related threads.

Remove From My Forums. Answered by:. Archived Forums. Network Infrastructure Servers. Sign in to vote. Tuesday, October 19, AM. Thanks for all your help regarding this. Monday, October 25, AM. May I ask why you need to alter the MTU? Tuesday, October 19, PM. When pinging with -f -l it comes back needs to be defragmented, all the way until when it replies fine. So i wanted to reduce it to to see if this problem went away.

MS KB sites don't specifically states how to do this, there are a few but the registry keys are in completely different locations. Some questions to further understand your scenario: When did this started happening? Is it something new? Was the VPN always in use, or is it a new implementation, upgrade, etc? Do you have an ADSL line?

Wednesday, October 20, AM. Hi Ace, thanks for the response. As soon as i changed this to it would Reply back. Now from their end, if they were to ping me with the same command the following happens.

Anyway to answer your questions.. No ADSL connection. Hi Chris, I just read through the Exchange thread where Rich was trying to help. Hi, We haven't renewed any Certificates on this Server at all. Thursday, October 21, AM. This method is preferred because the packet size is lowered for only the problematic segment.

Black hole detection increases the maximum number of retransmissions for a specific segment. To enable PMTU black hole detection, follow these steps:. Click Start , click Run , type regedit, and then click OK. In the Value data box, type 1, and then click OK. This enables the routers to fragment the packet and send the packet across the networks.

This method affects packets sent to all destinations. Most of the time, the performance will be at acceptable levels with a packet size of In the Value data box, type 0, and then click OK. If you set the MTU size for a network interface manually, this setting overrides the default MTU for the network interface. The MTU size is the maximum packet size in bytes that the transport will transmit over the underlying network. This method affects packets sent to all destinations and may significantly affect the performance, depending on the MTU size that you set.

To set the MTU size for the network interface, follow these steps:. For more information, click the following article number to view the article in the Microsoft Knowledge Base:. Need more help? Expand your skills. Get new features first. A subscription to make the most of your time.

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