MTU
in [Linux Networking]
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From: aarklon on 4 Jul 2008 11:33 Hi all, The Maximum Transmission Unit (MTU) is a parameter that determines the largest datagram than can be transmitted by an IP interface (without it needing to be broken down into smaller units). The MTU should be larger than the largest datagram you wish to transmit unfragmented. Note: this only prevents fragmentation locally. Some other link in the path may have a smaller MTU: the datagram will be fragmented at that point. Typical values are 1500 bytes for an ethernet interface, or 576 bytes for a SLIP interface. this is the correct definition of MTU isn't it ....?????
From: Allen Kistler on 4 Jul 2008 13:58 aarklon(a)gmail.com wrote: > Hi all, > > The Maximum Transmission Unit (MTU) is a parameter that determines > the largest datagram than can be transmitted by an IP interface > (without it needing to be broken down into smaller units). The MTU > should be larger than the largest datagram you wish to transmit > unfragmented. Note: this only prevents fragmentation locally. Some > other link in the path may have a smaller MTU: the datagram will be > fragmented at that point. Typical values are 1500 bytes for an > ethernet interface, or 576 bytes for a SLIP interface. > > this is the correct definition of MTU isn't it ....????? "larger than the largest datagram you wish to transmit" kind of implies that you have some choice in the matter. I'd just edit your first sentence: The Maximum Transmission Unit (MTU) is the largest packet than can be transmitted by an interface without it needing to be broken into smaller units.
From: Grant on 4 Jul 2008 18:03 On Fri, 4 Jul 2008 08:33:53 -0700 (PDT), aarklon(a)gmail.com wrote: >Hi all, > > The Maximum Transmission Unit (MTU) is a parameter that determines >the largest datagram than can be transmitted by an IP interface >(without it needing to be broken down into smaller units). The MTU >should be larger than the largest datagram you wish to transmit >unfragmented. Note: this only prevents fragmentation locally. Some >other link in the path may have a smaller MTU: the datagram will be >fragmented at that point. Typical values are 1500 bytes for an >ethernet interface, or 576 bytes for a SLIP interface. > >this is the correct definition of MTU isn't it ....????? See: http://www.cisco.com/en/US/tech/tk175/tk15/technologies_tech_note09186a0080093bc7.shtml Grant. -- http://bugsplatter.mine.nu/
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