[PLUG] Virtual Interface Limit?

Jason R. Martin nsxfreddy at gmail.com
Tue May 2 03:41:05 UTC 2006


On 5/1/06, Jeff Moore <Jeff.Moore at chemeketa.edu> wrote:
> Hi all! I am currently thinking about setting up a machine to act as a
> failover "Sorry nobody is home!" web server during planned outages. I am
> wondering what the  limit is on virtual interfaces. I currently have 30
> configured and can ping them locally.
>
>
>
> Thanks for the help!

>From dev_alloc_name():

const int max_netdevices = 8*PAGE_SIZE;

PAGE_SIZE is 4096.  I think you're probably fine with 32768 virtual interfaces.

Jason



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