MIME-Version: 1.0 Content-Location: file:///C:/C913CB14/Wireless-Meeting-Handout.htm Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii"
Wireless Netw= orking @ SLAC
(a quick guide to avoid problems)=
Warning: Hosts on the visitor
network that are seen as 'scanning hosts', including those that might be
running SKYPE as a supernode (or some other P2P software) will be put in the 'penalty box'. A scanning host is a host seen ope=
many tcp sessions in a very short time.&nb=
Being in the penalty box reduces that machines network connection
outside the visitor network to a shared
56kbps connection with other machines that are i=
penalty box, thus drastically
reducing their network speed and throughput.
See more information on the visitor network penal= ty box and how to determine if you are in the penalty box at:
Laptop owners are strongly encouraged to check their laptop and wireless configuration to ensure they adhere to recommended settings. Laptops that are not configured correctly can, and have, shutdown wireless networki= ng in the auditorium and other locations at SLAC.
Recommended sett= ings and information:
· Wireless adapter card:&n= bsp; 802.11b or 802.11g
· Network configuration: DHCP
· SSID: &= nbsp; &nbs= p; Set to ‘visitor’ or to= allow any value
· Network Type: &nbs= p; Set to ‘infrastructure’= ;
· Open access: = &nb= sp; No WEP, no data encryption, no authentication
Some problem areas:
Wireless by nature make= s it very hard, time consuming, and sometimes impossible to locate a problem laptop. Until the problem laptop is found and fixed, or it leaves the affected area, network connectivity may be lost to everyone.