FreeBSD 9.1 ix driver vlan problem

[Daniel Kalchev]

On 25.09.2013, at 02:16, Rumen Telbizov <telbizov at gmail.com> wrote:

> 
> 
> Example:
> ifconfig vlan200 create  # this is OK
> ifconfig vlan200 inet 1.2.3.1/30  vlan 200 vlandev ix1 description DEBUG #
> this second line makes the rest of the vlans freeze for 6-7 seconds
> 
> On the switch side (Juniper) the physical interface flaps. There's nothing
> in logs/dmesg.
> 

Might be, you have spanning tree enabled on the switch port and when the interface "flaps" it needs time to converge. Disable spanning tree on the port and the reset will be very short.

Daniel