Paul Ferguson <pferguso @
cisco .
com>
>You can use IP subnet 0 if you use the global command 'ip subnet zero'
>within a cisco router. Use of the all-1's subnet has always been
>permissible.
Yes. We use a subnet with all zeros (128.36.0.0, where our subnet mask
is 255.255.255.0) for legacy reasons.
Whenever we bring up a new CISCO router on the 128.36.0 subnet we run the
router through the EZ config with a terminal --- and then after it refuses
to talk to the zero subnet we enter the advanced configuration command
'service subnet-zero' or 'ip subnet-zero' (depending on the CISCO IOS
release).
- Morrow
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