DHCP fixed ip not work

DHCP fixed ip not work

DHCP fixed ip not work
DHCP fixed ip not work
2024-09-20 10:23:11
Tags: #dhcp fixed ip
Model: OC200  
Hardware Version: V2
Firmware Version: 5.14.26.23 Build:2.16.3 Build 20240620 Rel.81038

Hi, I have an Omada network set up:

 

OC200 Controller (5.14.26.23) + ER605 v2.0 (2.2.6) + Multiple EAPs.

The problem is that I can't assign a fixed IP via DHCP.

My range:

 

I want to reserve an IP: 172.26.2.50, but the device always takes an IP from the 3.x range. I have tested the old router with the same device and it assigns it perfectly...

On my old router, the dhcp reservation worked perfectly (same network)

 

Any ideas?

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#1
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5 Reply
Re:DHCP fixed ip not work
2024-09-20 12:31:21

  @conver 

 

Nah bruh... you gotta setup a VLAN with this subnet 172.26.2.0/24

 

Assign that VLAN to the port of that client.  Then add the DHCP reservation. 

 

 

I can not teach anyone anything - I can only make them think - Socrates
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#2
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Re:DHCP fixed ip not work
2024-09-20 15:05:15

  @KimcheeGUN 

 

Sure? If the range is 172.26.0.0/22 all devices are on same network.. I cant create vlans (switchs, entire network are old and for this moment is not possible).

 

A tried also fixed ip in the same range of dhcp and also not work...

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#3
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Re:DHCP fixed ip not work
2024-09-20 15:20:05

  @conver Settings -> Services -> DHCP Reservation. Add an entry to associated the MAC address of the device and the IP you wish it to have. I do the same on my network for things like printers.

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#4
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Re:DHCP fixed ip not work
2024-09-20 16:03:03

  @conver 

 

No problem. same config as you, ER605v2

 

  Connection-specific DNS Suffix  . : lan
   IPv4 Address. . . . . . . . . . . : 172.26.2.50
   Subnet Mask . . . . . . . . . . . : 255.255.252.0
   Default Gateway . . . . . . . . . : 172.26.0.1

 

 

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#5
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Re:DHCP fixed ip not work
2024-09-20 18:04:35

  @conver 

 

Whoops My Bad... Didnt notice the /22 LOL didnt have enough coffee this morning.

I can not teach anyone anything - I can only make them think - Socrates
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