leaving aside for a moment the question about why i might wish to do such
a thing, if i configure an interface alias for the loopback, and give it a
real IP address, my machine (stock RH6, 2.2.5-15smp kernel) starts
responding to ARP requests for that IP address. this is true even if i
configure the loopback interface(s) to NOARP, as seen below.
does anyone have any idea how i might stop this machine from ARPing on
this address?
[root@bragi linux]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:90:27:34:8A:B4
inet addr:10.1.1.109 Bcast:10.1.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2791956 errors:1 dropped:0 overruns:0 frame:0
TX packets:919715 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
Interrupt:11 Base address:0xe400
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING NOARP MTU:3924 Metric:1
RX packets:1753 errors:0 dropped:0 overruns:0 frame:0
TX packets:1753 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
lo:0 Link encap:Local Loopback
inet addr:10.1.1.240 Mask:255.255.255.255
UP LOOPBACK RUNNING NOARP MTU:3924 Metric:1
Tom Yates T: 01223 727 400
UNIX Spod F: 01223 727 477
E*TRADE UK Ltd. www.etrade.co.uk
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