always when I bring up my slip interface I get
SIFMTU sl0(ifconfig)
in my console. I traced this back to /usr/src/linux/net/core/dev.c, line
1417 (2.1.96) reads
printk(KERN_DEBUG "SIFMTU %s(%s)\n", dev->name, current->comm);
Now, not being a kernel hacker I don't understand the code. Either the
dev->change_mtu() returns 0 or the device doesn't support setting the
MTU (which it seems to) and dev->flags & IFF_UP is set (what's this?)
Now, if this a debug message it isn't very obvious, or?
What I do in my rc.d scipts is
/usr/sbin/slattach -p slip -s 57600 /dev/ttyS0 &
echo "Attached SLIP to /dev/ttyS0... 5 second delay"
sleep 5
echo "Bringing up network interface..."
/sbin/ifconfig sl0 10.1.40.254 pointopoint 10.0.0.11 mtu 1500 up
-- Samuli Kaski, samkaski@cs.helsinki.fi Department of Computer Science, University of Helsinki, Finland.
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