Static IP Address over DHCP

  bucko1986 19:11 20 Jan 2010
Locked

Hi,

I am having problems with my home network. I have two laptops, one pc, one NAS drive, one wireless printer, two Iphones and one Ipod touch all of which connect to my Sky Netgear router (running Sky's own firmware)usually at the same time.

My broadband seems to frequently disconnect although all lights on my router stay green - so there doesn't seem to be any issue there. When I say 'disconnect' I mean that things start going slow and all devices refuse to load webpages despite still being connected to the wifi.

I have Sky Max broadband and get speeds of up to 1200 kbps.

I was wondering whether there any benefits from setting up static ip addresses for each device? Currently only my PC has a static ip and the rest get there addresses from DHCP.

Thanks in advance for any help/advice

Andy

  mgmcc 19:45 20 Jan 2010

Try it and see! :)

The use of fixed IP addressing is often useful in situations where Wireless Network Adapters keep losing internet access (because they've lost their IP address), but you've nothing to lose by giving it a try. Use addresses outwith the router's DHCP pool.

  bucko1986 19:46 20 Jan 2010

mgmcc - your always so helpful! Thanks very much

  bucko1986 19:49 20 Jan 2010

Sorry - would you recommend disabling 'Use Router as DHCP Server' on my router settings? Or set up a static address for each device and then keep this enabled?

  mgmcc 19:55 20 Jan 2010

You can leave the router's DHCP server running, which is why I suggested allocating the fixed IP addresses from outside the range it uses to allocate addresses automatically. That prevents the possibility of any IP address conflicts.

  bucko1986 20:00 20 Jan 2010

Sorry I'm being a bit thick here! When you say allocating the fixed IP addresses outside the range do you mean rather than 192.168.0.1 I use 192.168.1.1 ?

Thanks again mgmcc

  bucko1986 20:58 20 Jan 2010

mgmcc - I could really do with your help here. What did you mean by allocating the fixed IP addresses outside of the range?

Thanks

  mgmcc 23:19 20 Jan 2010

Within the router's settings, there will be the option to enable/disable DHCP. It should also let you set the "pool" from which addresses are allocated.

For example, if your router operates in the 192.168.0.0 Subnet, it uses addresses from 192.168.0.1 to 192.168.0.254 and its own address will probably be 192.168.0.1 The DHCP "pool" from which it allocates addresses may be something like 192.168.0.50 to 192.168.0.100, so free addresses outside the pool would be:

192.168.0.2 to 192.168.0.49

192.168.0.101 to 192.168.0.254

For static IP addressing, you would use addresses which are not in the pool's range. What you must not do is to change the third "octet" (number) of any of the IP addresses.

  bucko1986 22:08 21 Jan 2010

Hi mate. Thanks for your help with this. All working great now

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