ROS X86 6.45.7 [Hang after Interface's ARP Changed]

Hello:

My ROS is X86 version: 6.45.7

My problem is when I am enable / reply only (ARP) of my lan interface then my router is hang and stopped all service. When I reboot manually my router then its work.
My Interface is: Intel PRO/1000 MT Dual Port Server Adapter. So pl suggest me how to solve the problem.

Regards,
Nishadul