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Mac Forum / General / Hardware / August 2007AirPort Express DHCP behavior
Is there any way to make the DHCP server remember its past assignments? I have an enormous network of 2 laptops. Depending on the order in which they startup, they are alternately assigned 10.0.1.2 and 10.0.1.3. I'd rather not set static addresses on the laptops themselves, since that makes them hard to config when used anywhere else. Nevertheless, this makes it a pain to use either one as a file server, web server, or CVS server. The module obviously has a bit of flash RAM. It's a shame it can't remember a couple MAC addr to IP address mappings! Thanks, Jim > Is there any way to make the DHCP server remember its past > assignments? I have an enormous network of 2 laptops. Depending on the [quoted text clipped - 9 lines] > Thanks, > Jim If you are running OSX then you can have different network configurations, name then something simple like Home, Work, Roaming etc and then set the configuration for where you are now to use static IP addresses, then whenever you go on the road you just need to switch configuration. Remember if you are using static IP addresses that they should be outside the DHCP range. (IE if your DHCP is 10.0.1.2-10.0.1.32 then use 10.0.1.33/34 as your fixed addresses, or if your router allows you can mark 10.0.1.2/3 as reserved addresses if you want to.) Ben. > Is there any way to make the DHCP server remember its past > assignments? I have an enormous network of 2 laptops. Depending on the [quoted text clipped - 6 lines] > The module obviously has a bit of flash RAM. It's a shame it can't > remember a couple MAC addr to IP address mappings! Some NAT routers allow you to assign static addresses via DHCP, I don't recall if the AE does. If the servers are local only then you can address them using bonjour. Instead of an IP address, use "SharingName.local" where SharingName is the name assigned in System Preferences / Sharing. Normally it's the same as the item identified as "Computer Name" but if this contains spaces or certain other characters it gets modified. The true name can be set by clicking on the "Edit..." button. The program will use this much like a Domain Name but it doesn't require a DNS, each computer provides it's own lookup so to speak. Also, check out "Bonjour Browser". It will search your LAN for Bonjour servers. It can be found at www.versiontracker.com.  SignatureClark Martin Redwood City, CA, USA Macintosh / Internet Consulting "I'm a designated driver on the Information Super Highway" |
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