Change MTU size of W2k3

Change MTU size of W2k3

Post by Jerold Sch » Sun, 21 Aug 2005 08:02:12



http://www.yqcomputer.com/ ?kbid=900926 "Recommended TCP/IP settings for WAN links with a MTU size of less than 576 "
http://www.yqcomputer.com/ ?kbid=826159 "HOW TO: Change the Default Maximum Transmission Unit {MTU} Size Settings for PPP Connections or for VPN Connections "
http://www.yqcomputer.com/ ?kbid=159211 "Diagnoses and Treatment of Black Hole Routers "
http://www.yqcomputer.com/ ?kbid=179442 "How to configure a firewall for domains and trusts "
http://www.yqcomputer.com/ ?kbid=229064 "Load Balancing may not work correctly with IP fragmentation in Windows Server 2003 in Windows 2000 and in Windows NT "
http://www.yqcomputer.com/ ?kbid=324270 "How to harden the TCP/IP stack against Denial of Service Attacks in Windows Server 2003 "
http://www.yqcomputer.com/ ?kbid=325449 "How to install and configure IP version 6 in Windows Server 2003 Enterprise Server "
http://www.yqcomputer.com/ ?kbid=883389 "How to reduce the EAP packet size by using the Framed MTU attribute in Windows Server 2003 "
http://www.yqcomputer.com/ ?kbid=893066 "MS05-019: Vulnerabilities in TCP/IP could allow remote code execution and denial of service "
http://www.yqcomputer.com/ ?kbid=898060 "Installing security update MS05-019 or Windows Server 2003 Service Pack 1 may cause network connectivity between clients and servers to fail "
 
 
 

1. t3 MTU size versus a 100MBps MTU...

2. Changing MTU size

Hi,

Has anyone successfully changed the MTU size to something larger than 1500
and run successfully? We have an application that needs to use an MTU of
16k over Gig-E. We're running QNX 6.3 on a x86 with a 82544 Enet chip.
We've tried changing the params via io-net/devn-i82544 but they don't seem
to take effect. The packets still seem to get fragmented into 1500 byte
chunks.

Thanks,
Rick

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