On Sun, 13 Aug 2000, Andi Kleen wrote: > > The number of IP addresses on one interface in kernel 2.2.x is only > > limited by physical memory as far as I can tell. In a test I was able to > > assign over 7000 numbers to one eth - worked without problems, only > > ifconfig took nearly 10 minutes to get me a list (old 233mhz machine > > with suse 6.4 and suse kernel 2.2.14) > > The 10 minutes were probably caused by the name resolver in ifconfig. > Try ifconfig -n I've been using "ifconfig -n >ifc", and there have been no lookups in the nameserver-logs (my local nameserver runs with full query logging) My thought is that it comes from ifconfig grouping and sorting the interfaces (lo, eth0, eth0:XXXX, cipcb0) - "ip addr" takes about 5 seconds for the same. ares:~ # ifconfig --version net-tools 1.54 ifconfig 1.39 (1999-03-18) c'ya sven ps: the addresses werde added via for y in `seq 0 63` ; do for x in `seq 1 254` ; do echo $y $x ; ifconfig eth0:$[ ( $y * 256 ) + $x ] 10.0.$y.$x broadcast 10.0.$y.255 netmask 255.255.255.0 up ; done ; done -- The Internet treats censorship as a routing problem, and routes around it. (John Gilmore on http://www.cygnus.com/~gnu/) - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.rutgers.edu
