On Wed, 8 Aug 2007 10:30:51 +0530 "pankaj jain" <jainp1979@xxxxxxxxx> wrote: > On 8/8/07, Stephen Hemminger <shemminger@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, 7 Aug 2007 19:12:25 +0530 > > "pankaj jain" <jainp1979@xxxxxxxxx> wrote: > > > > > Hi > > > What is the limit on number of logical interfaces per hardware > > > interface in linux. > > > I am using 2.6 kernel. > > > > Kernel addressable memory is limit. Managing 1000's of interfaces can > > be a pain and some user space tools may have problems, but kernel > > is fine. > > > > I wanted to know the theoritical limit on this. > since for interface indexing we use an integer can I expect that the > max of an integer is the limit? Yes ifindex is int, so that would be INT_MAX, but you would run of kernel addressable memory first since on 32 bit platforms you can only use up to 1G of memory for kernel data. - 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