On Tue, 23 Jan 2007 06:55:17 +0530 "Anil Kumar" <anil123@xxxxxxxxx> wrote: > Hi, > > I want to control the interface index assigned to network > interfaces when they are created in Linux Operating System. > I am using TUN/TAP driver to create virtual network interfaces in > linux from user application. Normally by default Linux by itself > assigns the interface index to the inetrfaces. I can get the inetrface > information by reading the file /proc/net/igmp or ioctl command. > My requirement is that i need to assign some fixed interfaces > index to these interfaces > created in linux. For example: > Interface name Interface Index > ============================= > interface-0 > 10 > interface-1 11 > etc. > > Using ioctl i am not finding information how to change the > interface index. Please let me know how can i assign the fixed > interface index to network interfaces created in linux OR is there any > way to control interface index assignment to network interfaces in > Linux. > > > Regards, > Anil I assume you mean the ifindex returned by SIOCGIFINDEX and in /sys/class/net/XXX/ifindex. There is no API to set it, why do you need it to be set? It is assigned as a unique value by the kernel for each new device added. -- Stephen Hemminger <shemminger@xxxxxxxxxxxxxxxxxxxx> - 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
