Gilad Ben-Yossef wrote:
> Have anyone noticed, in their hot pursuit of ADSL, how Bezeq in an
> obvious ingenious fashion,
> chose to make the entire 10.0.0.0/8 A class unusable for mere mortals?
There is no need to surrender the whole 10.x.x.x network to the ADSL
modem. I have just verified that the Orckit ATUR3 works fine when the
server is set up thus:
# ifconfig eth1 10.0.0.42 netmask 255.255.255.255 mtu 1500
# route add -host 10.0.0.138 dev eth1
where the "10.0.0.42" can be replaced by any 10.x.x.x IP. This also
works after power cycling the ADSL modem to make it forget any MACs.
There are 2 points here:
a. You can give any 10.x.x.x address to your NIC in order talk
to the ADSL modem, not necessarily 10.200.1.1.
b. You don't need to use a 255.0.0.0 netmask, which indeed renders
the 10.x.x.x space useless -- instead, you can specifically route
only 10.0.0.138 through the NIC. Any other 10.x.x.x addresses
remain available (the host-specific routing will take precedence
over routing of 10.0.0.0/24).
The bottom line is that Bezeq's choice wastes single fixed IP address,
not 2^24 of them.
BTW, for HOWTO purposes it's simplest to use
# ifconfig eth1 10.0.0.139 netmask 255.255.255.254 mtu 1500
which avoids the need for a 'route' command and so is easier to
configure in Linuxconf and suchlike. It will still take precedence over
less specific netmasks.
Regards,
Eran Tromer
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