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Author Topic: Fixed IP computer does not appear under LAN devices  (Read 4624 times)

badunc

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Fixed IP computer does not appear under LAN devices
« on: June 13, 2013, 11:32:45 AM »

Router: 
Hardware Version: B1     
Firmware Version: 2.07NA
Comcast
Motorola Surfboard SB5101U

I have an Ubuntua 12.04 server attached to my DIR-655's network (it is an Amahi server).  I used the suggested ip address of 192.168.0.10 for the Amahi's IP.  It works, but does not show up in the attached computers on the router's Web UI.  All my other wired computers (included reserved DHCP addresses) are listed under the active LAN sessions in the router's Web interface.  All wireless DHCP devices are listed as well.  However, the Amahi does not appear (even though it is able to access the LAN and Internet).  If I allow the router to assign an IP to the Amahi (using DHCP instead of Static)then it shows up in the D-Link interface (but the server must have a fixed IP so this is not a long-term solution - and to reserve it in the router isn't practical because I'd have to reinstall the server's OS - blame Amahi).  My concern is that port forwarding does not work when using the IP outside of the default DHCP range - but it works fine when the router chooses an address for the server.  How can I assign an IP to the server that is not in the router's DHCP range but does allow me to see it in the interface and also allows me to forward ports (such as 21 for FTP)?

This is my first Linux machine so it very well may be that I need to change something in its network settings to make it display in the router's UI.  However, I don't know what that might.  And every other network device plays nicely...
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FurryNutz

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Re: Fixed IP computer does not appear under LAN devices
« Reply #1 on: June 13, 2013, 12:01:11 PM »

I presume this is expected behavior as I've seen this with numerous routers if client devices are using Static IP addresses. They will not display on the routers UI. Sometimes they do on the Status page. If you reserve an IP address, say .110 for the Server ON the router and set the Server to Auto obtain an IP address, does the server still work then and can you see the IP address listed on the router?
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

badunc

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Re: Fixed IP computer does not appear under LAN devices
« Reply #2 on: June 13, 2013, 01:30:18 PM »

Yes, if I choose an IP for the server and then reserve it on the router I can both see it on the LAN and Status pages as well as forward ports.
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FurryNutz

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Re: Fixed IP computer does not appear under LAN devices
« Reply #3 on: June 13, 2013, 01:32:07 PM »

Ok. I would give Reserving the IP address a test and see how it works for you. Just know that if you using a Static IP address on devices that are connected to the router, it won't show on the router. I presume this is be design of D-Link. I notice this as well and is only a minor inconvenience.  :-\
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

badunc

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Re: Fixed IP computer does not appear under LAN devices
« Reply #4 on: June 13, 2013, 02:54:52 PM »

Thanks, I will do so.  Unfortunately, Amahi hard codes the designated IP at installation time so to change it means you have to reinstall.  I was trying to avoid that if possible but I will go ahead and bite that bullet!
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FurryNutz

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Re: Fixed IP computer does not appear under LAN devices
« Reply #5 on: June 13, 2013, 03:02:12 PM »

NO way to go in and edit the IP address? Wow.  :o

Thanks, I will do so.  Unfortunately, Amahi hard codes the designated IP at installation time so to change it means you have to reinstall.  I was trying to avoid that if possible but I will go ahead and bite that bullet!
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.