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Why OPNsense can the same IP address be assigned?
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Topic: Why OPNsense can the same IP address be assigned? (Read 548 times)
autthapon01
Newbie
Posts: 2
Karma: 0
Why OPNsense can the same IP address be assigned?
«
on:
September 23, 2024, 09:18:00 am »
Why OPNsense can the same IP address be assigned?
Is there a way to fix this?
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Monviech (Cedrik)
Global Moderator
Hero Member
Posts: 1614
Karma: 176
Re: Why OPNsense can the same IP address be assigned?
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Reply #1 on:
September 23, 2024, 09:21:20 am »
Please elaborate.
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Hardware:
DEC740
autthapon01
Newbie
Posts: 2
Karma: 0
Re: Why OPNsense can the same IP address be assigned?
«
Reply #2 on:
September 23, 2024, 10:16:13 am »
Menu Services -> ISC DHCPv4 -> LAN -> DHCP Static Mappings for this interface.
I can make static same IP address.
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franco
Administrator
Hero Member
Posts: 17665
Karma: 1611
Re: Why OPNsense can the same IP address be assigned?
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Reply #3 on:
September 23, 2024, 10:17:13 am »
It's not illegal. IPs can be shared. MAC address mappings cannot be shared between different IPs however.
Cheers,
Franco
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Patrick M. Hausen
Hero Member
Posts: 6841
Karma: 574
Re: Why OPNsense can the same IP address be assigned?
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Reply #4 on:
September 23, 2024, 10:18:26 am »
Same IP address as what? Two reservations with the same address? Yes, your responsibilty as the administrator not to do that if you don't want it.
Maybe you have two devices and only one is ever connected at a time? Or you have one device with two interfaces and only one is ever connected at a time? OPNsense does what you tell it to. It does not do the network planning for you.
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Deciso DEC750
People who think they know everything are a great annoyance to those of us who do.
(Isaac Asimov)
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Why OPNsense can the same IP address be assigned?
