brandon.kim at brandontek.com
Wed Nov 17 15:23:54 CST 2010
Jack brings up a good point. MTU is basically pointless since packets never traverse any real interface.......
So in theory the size can be anything...
> Date: Wed, 17 Nov 2010 15:02:22 -0600
> From: jbates at brightok.net
> To: deric.kwok2000 at gmail.com
> Subject: Re: mtu question
> CC: nanog at nanog.org
> On 11/17/2010 11:08 AM, Deric Kwok wrote:
> > Hi
> > I just see that the mtu in lo is different from standard eth 1500
> > Any meaning of it?
> You transfer huge amounts of data on loopbacks similar to sockets.
> Supporting large MTU's is appropriate, and given the virtual nature of
> loopbacks, is probably generally designed to handle the buffers that
> transfer the data.
> > How about cisco / juniper loopback?
> > Thank you so much
> Juniper M120: Type: Loopback, MTU: Unlimited
> Cisco 7206 12.2SRE: MTU 1514 bytes, BW 8000000 Kbit/sec, DLY 5000 usec,
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