Mailinglist Archive: opensuse (1599 mails)

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Re: [opensuse] how many folks running suse 11 are heavily into IPv6?
  • From: James Knott <james.knott@xxxxxxxxxx>
  • Date: Sun, 18 Oct 2009 13:33:25 -0400
  • Message-id: <4ADB5165.8050003@xxxxxxxxxx>
Per Jessen wrote:
Adam Tauno Williams wrote:

]

* is faster for local transfers (gone are MTU/MRU & fragmentation
issues)


How does IPv6 do that - isn't MTU dependent on the ethernet packet size
and router support for the same?



When was the last time you saw anything that didn't support 1500 byte
MTU? Years ago, smaller sizes were common because the communications
medium had higher error rates, which made smaller packets more
desirable. As I understand it, path MTU discovery is used to set the
MTU, to the largest that will pass without fragmentation. In IPv6,
fragmentation may only be done by the originating host.
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