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OS X - Operating System General OS operation information and support

OS 10.4 - how to set mtu on stf0?


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kennysk

 
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I have a mac osx server acting as router/firewall for my home network. The interface (I assume created by setup assistant for connection sharing), stf0: has an MTU 1280 and I need to increase this. I tried:

sudo ifconfig stf0 mtu 1364
but it fails with ioctl set mtu: invalid argument.
(The same command can be used to set mtu on the other interfaces)

Does anyone know how I can increase mtu on stf0 ?
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rman

 
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Have you tried, sudo ifconfig mtu 1364.

I looked at my configuration and found that 1280 is my default. Looking at the man pages, I see:

mtu n - set the maximum transmission unit of the interface to n, default is interface specific. The MTU is used to limit the size of packets that are transmitted on an interface. Not all interfaces support setting the MTU, and some interfaces have range restrictions.

I am wondering if you can change stf0.

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Quote:
Originally Posted by kennysk View Post
I have a mac osx server acting as router/firewall for my home network. The interface (I assume created by setup assistant for connection sharing), stf0: has an MTU 1280 and I need to increase this. I tried:

sudo ifconfig stf0 mtu 1364
but it fails with ioctl set mtu: invalid argument.
(The same command can be used to set mtu on the other interfaces)

Does anyone know how I can increase mtu on stf0 ?
I have the exact same problem. How can I change the stf0 MTU?
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