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Switch asking for DHCP BOOTP

Posted on 2004-05-02
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Last Modified: 2012-06-27
I have an Allied Telesysn AT-8024 switch installed in my network, and it is not working correctly.

With ethereal I can see it is sending out broadcast packets from 0.0.0.0  with the right mac address of the switch...  asking for BOOTP or DHCP.

Usually, the switch has remote management software via telnet and http.     Also, all my other switches have bootp and dhcp disabled.

I have the software and everything needed for the switch...  unfortunately the box is located in an attic...  not easily accessible.  

I'm running a redhat box.....   would setting up a dhcp server or bootp server work?

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Question by:cduke250
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andreas_be earned 50 total points
ID: 10975599


It sounds like the Switch is looking for a DHCP host for an address, so yes setup DHSC server on your readhat box, and then you should be able to controlle and manage the switch , after you do this you might want to setup a static IP on the Switch, to avoid this issue in the future and to make it easier to address the device .!


Hope this helps,



Regards,


Andreas Bergstedt
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by:SunBow
ID: 10978509
Ignore bootp comment, since dhcp is based on bootp, that is what it comes down to, either assigning static address, or dynamic with dhcp service.

> Usually, the switch has remote management software via telnet and http

Both of these require the IP address.

> Also, all my other switches have bootp and dhcp disabled.

I recommend that you configure all similar devices the same, for simplicity and support.  If all others disable dhcp, then this one should also disable. Advantage is, that the network will still be up, despite any local problem server (such as one that could have dhcp services available).  Make them all static (and different) and you can be ever sure of what is what.  Make sure the subnet is correctly defined in all switches.
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by:cduke250
ID: 10993175
Good info...

I successfully set up a dhcp server on my box..  I gave the switch an IP and it started arping

Who has {switchip}?  Tell {switchip}.

I could not connect to it...  

Then the power went out again and it started doing the dhcp requests again.
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