On Fri, Aug 03, 2012 at 12:10:16PM +0200, Tóth Tibor Péter wrote: > Hello! > I have some problem when I'm trying to add an extra IP to an interface. > > My config: > # cat /etc/network/interfaces [cut] > > #ifconfig eth0:0 up > SIOCSIFFLAGS: Cannot assign requested address > > The strange thing is that sometimes works, sometimes not. > > if I do this way, it works every time: > #ifconfig eth0:0 192.168.0.100 netmask 255.255.255.0 > > What cause the SIOCSIFFLAGS error messaeg? > It exists on Debian 5 and Debian 6 as well.
Might it simply be that the address already exists?
If you don't NEED the extra interface names (ethX:Y names are deprecated
these days), try the following /e/n/i
auto eth0
iface eth0 inet static
address 192.168.0.10
netmask 255.255.255.0
gateway 192.168.0.1
post-up ip addr add 192.168.0.100/24 dev eth0
post-up ip addr add 192.168.0.101/24 dev eth0
pre-down ip addr del 192.168.0.100/24 dev eth0
pre-down ip addr del 192.168.0.101/24 dev eth0
or, thanks to http://wertarbyte.de/debian/ifupdown/addresses:
auto eth0
iface eth0 inet static
address 192.168.0.10
netmask 255.255.255.0
gateway 192.168.0.1
addresses 192.168.0.100/24 192.168.0.101/24
>
> Ezen üzenet és annak bármely csatolt anyaga bizalmas, jogi védelem alatt áll,
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> üzenetet vagy annak bármely csatolt mellékletét lemásolnia, elmentenie, az
> üzenet tartalmát bárkivel közölnie vagy azzal visszaélnie.
>
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Hmm. I'm NOT the entity to whom this message was addressed. Sorry.
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