* Tim Wright <timw@xxxxxxxxxxxxx> 2006-12-01 14:27 > > [root@nfstest root]# strace -e ioctl ifconfig eth0:5 > > 10.12.0.22 netmask 255.255.0.0 up > > ioctl(4, 0x8916, 0xbfb15440) = 0 > > ioctl(4, 0x8913, 0xbfb15370) = 0 > > ioctl(4, 0x8914, 0xbfb15370) = 0 > > ioctl(4, 0x891c, 0xbfb15440) = 0 > > ioctl(4, 0x8913, 0xbfb15370) = 0 > > ioctl(4, 0x8914, 0xbfb15370) = 0 > > [root@nfstest root]# strace -e ioctl ifconfig eth0:6 > > 10.12.0.22 netmask 255.255.0.0 up > > ioctl(4, 0x8916, 0xbfc835b0) = 0 SIOCSIFADDR returns 0 because 10.12.0.22 is already the local address > > ioctl(4, 0x8913, 0xbfc834e0) = 0 SIOCGIFFLAGS returns the current interface flags > > ioctl(4, 0x8914, 0xbfc834e0) = 0 SIOCSIFFLAGS returns 0, eth0 is already up and running > > ioctl(4, 0x891c, 0xbfc835b0) = 0 SIOCSIFNETMASK returns 0, 255.255.0.0 is already the netmask of the configured local address > > ioctl(4, 0x8913, 0xbfc834e0) = 0 SIOCGIFFLAGS returns the current interface flags again > > ioctl(4, 0x8914, 0xbfc834e0) = -1 EADDRNOTAVAIL (Cannot > > assign requested address) > > SIOCSIFFLAGS: Cannot assign requested address The first SIOCSIFFLAGS was on device level, this SIOCSIFFLAGS is for AF_INET and fails because there is no local address 10.12.0.22 with a label eth0:6. The configured local address 10.12.0.22 has the label eth0:5. - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
