Number of interfaces limitation

Tim Peiffer peiffer at
Wed Jul 19 14:38:53 UTC 2006

I had to patch my dhcpd to handle 30 some VLAN's., so my guess is pretty 
small. For a while the question might have been how many interfaces can 
you get on a box, but the recent vendor changes for 802.1q now allow for 
4096 concurrent vlans.

I see that large of numbers of LAN interfaces as problematic.  In 
everything other than our wireless environment (30 vlans), I unicasta 
route my remaining 1800 networks via dhcp relay's on the routers.

Tim Peiffer

Ivan V. Borodin wrote:
> Hello there,
> Does anybody know something about total number of interfaces which dhcpd
> can listen? What about 2048 interfaces, for example?

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