Re: Maximum number of NICs for Linux.

[Roberto Ragusa]

Gilboa Davara wrote:
> Looking at the code (especially, register_net_dev) it seems that there
> are two possible limits:
> Ethernet device name must not exceed 16 bytes.
> Total number of network devices must not exceed 32768.
>
> (const int max_netdevices = 8*PAGE_SIZE in __dev_alloc_name)

Forgetting for a moment about virtual devices (including tun, ppp, ...),
you now got me busy trying to imagine hardware with 32000 ethernet jacks.

:-)