Maximum number of NICs for Linux.
Roberto Ragusa
mail at robertoragusa.it
Sat Sep 25 09:18:53 UTC 2010
Gilboa Davara wrote:
> Looking at the code (especially, register_net_dev) it seems that there
> are two possible limits:
> 1. Ethernet device name must not exceed 16 bytes.
> 2. 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.
:-)
--
Roberto Ragusa mail at robertoragusa.it
More information about the users
mailing list