Linksys Router WRT54G2 User Manual

Chapter 3Advanced Configuration
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Wireless-G Broadband Router
MTU 
MTU is the Maximum Transmission Unit. It specifies 
the largest packet size permitted for Internet transmission. 
Select  Manual  if  you  want  to  manually  enter  the  largest 
packet  size  that  is  transmitted. To  have  the  Router  select 
the  best  MTU  for  your  Internet  connection,  keep  the 
default setting, Auto.
Size  When Manual is selected in the  MTU field, this option 
is enabled. Leave this value in the 1200 to 1500...

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name  to  a  dynamic  Internet  IP  address.  It  is  useful  when 
you  are  hosting  your  own  website,  FTP  server,  or  other 
server behind the Router.
Before  you  can  use  this  feature,  you  need  to  sign  up  for 
DDNS  service  at  one  of  two  DDNS  service  providers, 
DynDNS.org  or  TZO.com.  If  you  do  not  want  to  use  this 
feature, keep the default setting, Disable.
DDNS Service
If  your  DDNS  service  is  provided...

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User  Defined  Entry 
Enter  the  MAC  Address  registered 
with your ISP here.
Clone Your  PC’s  MAC  Clicking  this  button  will  clone  the 
MAC address of the computer you are using.
Click  Save Settings to apply your changes, or click  Cancel 
Changes to cancel your changes.
Setup > Advanced Routing
This screen is used to set up the Router’s advanced routing 
functions. NAT routes the host Router ‘s network connection 
to  the  Internet....

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Click 
Save Settings to apply your changes, or click  Cancel 
Changes to cancel your changes.
Wireless > Basic Wireless Settings
The  basic  settings  for  wireless  networking  are  set  on  this 
screen.
There  are  two  ways  to  configure  the  Router’s  wireless 
network(s), manual and Wi-Fi Protected Setup.
Wi-Fi Protected Setup is a feature that makes it easy to set 
up your wireless network. If you have client devices, such 
as...

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Method #1
Use this method if your client device has a Wi-Fi Protected 
Setup button.
Click  or  press  the
1.    Wi-Fi  Protected  Setup  button  on 
the client device.
Click  the 
2.  Wi-Fi  Protected  Setup  button  on  this 
screen.
After  the  client  device  has  been  configured,  click 
3. 
OK.  Then  refer  back  to  your  client  device  or  its 
documentation for further instructions.
Method #2
Use this method if your client device...

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Security Mode > WPA Enterprise
WPA Algorithm 
WPA supports two encryption methods, 
TKIP  and  AES,  with  dynamic  encryption  keys.  Select 
the  type  of  algorithm,  TKIP  or AES.  (AES  is  a  stronger 
encryption method than TKIP.)
RADIUS  Server  Address  Enter  the  IP  Address  of  the 
RADIUS server.
RADIUS  Port    Enter  the  port  number  of  the  RADIUS 
server. The default value is 1812.
Shared  Key  Enter  the  key  shared...

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Security Mode > RADIUS
IMPORTANT:  If  you  are  using  WEP  encryption, 
always  remember  that  each  device  in  your 
wireless  network  MUST  use  the  same  WEP 
encryption  method  and  encryption  key,  or  else 
your wireless network will not function properly.
RADIUS  Server  Address 
Enter  the  IP  Address  of  the 
RADIUS server.
RADIUS  Port    Enter  the  port  number  of  the  RADIUS 
server. The default value is 1812.
Shared...

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Permit  Only 
Select  this  to  allow  wireless  access  by  MAC 
Address. This button is not selected by default.
Edit  MAC  Filter  List 
Click  this  to  open  the  MAC  Address 
Filter  List  screen.  On  this  screen,  you  can  list  users,  by  MAC 
Address,  to  whom  you  wish  to  provide  or  block  access.  For 
easy reference, click  Wireless Client MAC List to display a list 
of network users by MAC Address
.
MAC Address Filter...

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hear  the  beacons  and  awaken  to  receive  the  broadcast 
and multicast messages. The default value is 1.
Fragmentation  Threshold 
This  value  specifies  the 
maximum  size  for  a  packet  before  data  is  fragmented 
into  multiple  packets.  If  you  experience  a  high  packet 
error  rate,  you  may  slightly  increase  the  Fragmentation 
Threshold.  Setting  the  Fragmentation  Threshold  too  low 
may  result  in  poor  network...

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Internet on the Layer 2 level. To allow L2TP tunnels to pass 
through the Router, keep the default, Enable.
Click 
Save Settings to apply your changes, or click  Cancel 
Changes to cancel your changes.
Access Restrictions > Internet Access
The  Access Restrictions > Internet Access screen allows you 
to  block  or  allow  specific  kinds  of  Internet  usage  and 
traffic,  such  as  Internet  access,  designated  services,  and 
websites...