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AR15.COM
2/22/2010 8:03:37 PM EDT
The shop I work at has a regular Cat5 network cable running to a wide open DHCP server.  I can hardwire my laptop to it and the internets come through just fine.

Here is the question.  Is there a small wireless router I can plug into this cat5 cable that will send out a wireless signal?  I do not know if I need to use a regular wireless router or if I need some type of Ad-hoc device.

I would prefer to have the ability to use WEP, MAC address filtering, etc. if possible with this solution.

Thanks,

Fidel
2/22/2010 8:09:37 PM EDT
[#1]
Most any router should do. You'll probaby have to do some dhcp setup to get everything squared away.
2/22/2010 8:10:24 PM EDT
[#2]
Quoted:
The shop I work at has a regular Cat5 network cable running to a wide open DHCP server.  I can hardwire my laptop to it and the internets come through just fine.

Here is the question.  Is there a small wireless router I can plug into this cat5 cable that will send out a wireless signal?  I do not know if I need to use a regular wireless router or if I need some type of Ad-hoc device.

I would prefer to have the ability to use WEP, MAC address filtering, etc. if possible with this solution.

Thanks,

Fidel


yep, wireless routers are a dime a dozen.  depends on how robust you need it to be, but i would think that linksys wrtg45 wal-mart special should work fine for you.  it does for me. :)
2/22/2010 8:11:54 PM EDT
[#3]
Any regular wireless access point will do.

The WAP's external interface will grab an IP via DHCP.  It's internal IP will need to be static to a different RFC 1918 address range (RFC 1918 recommended, but not required) than the one for which your DHCP server is serving leases.  Your WAP's internal interface can serve up wireless DHCP to laptops with 802.11b/g/n.
2/22/2010 8:53:48 PM EDT
[#4]
So if the IP coming into the WAP is like 192.168.1.5 from the non-wireless router will the WAP then assign my computer 192.168.1.5 as well or will the DHCP server in the WAP generate it's own IP addresses?
2/22/2010 8:56:06 PM EDT
[#5]
The wireless access point will perform NAT - network address translation using a fixed IP address from your DHCP server and assigning clients attached to it private IP addresses ... and busy itself converting one to the other.
2/22/2010 9:01:04 PM EDT
[#6]
Quoted:
So if the IP coming into the WAP is like 192.168.1.5 from the non-wireless router will the WAP then assign my computer 192.168.1.5 as well or will the DHCP server in the WAP generate it's own IP addresses?


You'll want to configure the internal interface to be something like 192.168.2.1 and set its DHCP lease pool accordingly (most, if not all, will pre-set this for you when you adjust the internal interface IP).


[Network DHCP Server]––––––––––––––––––––-[external WAP interface dynamic @ 192.168.1.5]-[internal WAP interface static @ 192.168.2.1]––––––––––––-<DHCP leases starting at 192.168.2.100>  <–– your laptop would get dynamic 192.168.2.100