The master helps, falls the line frequently the question

I am the school local area network, must through the DR client side debarkation, every other more than 10 minutes always fall the line recently, but after local connected on a repair can on, but fell, I used the auspicious star not to be able to kill the poison and the wooden horse, also has installed the Jinshan ARP firewall, the prompt has not been attacked by ARP.Do not fall with bedroom other three people, I fall.
This is any question, how to solve, the master helps me
Did not know that is dormitory some people limits you with the P2P end matter…Tries after the counter-P2P end matter accesses the net to have a look again…Mesh wire quartz bad contact! Trades the root mesh wire to try.