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Setting a Static IP Address on B529s-23a Router for Specific MAC Address

gothic77 9099 23
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How can I assign a fixed IP address to a device by MAC address on a B529s-23a router so it keeps the same IP after reboot?

You can do it in the router’s DHCP settings, but only after a firmware update that adds IP/MAC binding. One user reported that after updating the B529s-23a, the DHCP menu contained an option for binding a specific IP address to a MAC address, which solved the problem [#17289246] The working firmware version mentioned for this feature was 11.187.61.00.49; on that version, the DHCP section includes IP and MAC address binding [#18737067] If your current software version does not show this option, it means that version does not support it [#17275793]
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  • #1 17275577
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    Hello.

    Gentlemen, as in the subject.

    Please tell me how to assign IP in the B529s-23a router after the MAC address of the device so that every time the router restarts it does not assign a new IP to me, i.e. I want the IP to be rigid :)
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  • #2 17275633
    sanfran
    Network and Internet specialist
    Posts: 9834
    Help: 955
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    Not in the manual? DHCP section?
  • #3 17275719
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    sanfran wrote:
    Not in the manual? DHCP section?

    Unfortunately ... the manual itself is only basic information ...
  • #4 17275735
    sanfran
    Network and Internet specialist
    Posts: 9834
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    Enter the menu, DHCP option, take a screenshot and post on the forum.
    We will think.
  • #5 17275771
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    sanfran wrote:
    Enter the menu, DHCP option, take a screenshot and post on the forum.
    We will think.

    Please :)
    Setting a Static IP Address on B529s-23a Router for Specific MAC Address
  • #6 17275793
    sanfran
    Network and Internet specialist
    Posts: 9834
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    I am afraid there is no such option in this software version.
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  • #7 17275804
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    sanfran wrote:
    I am afraid there is no such option in this software version.

    ..., so you can say that it would fit to upload something from the alternative firmware options, or it is more about the issue that nothing can be done with this router in my case :) )
  • #8 17275852
    jprzedworski
    Network and Internet specialist
    Posts: 5355
    Help: 758
    Rate: 826
    gothic77 wrote:
    something to upload from alternative firmware options
    There is probably no such thing for this router.
  • #9 17275880
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    Then I understand that a normal router would fit and do on it?
    - just another question ...

    In this variant of using a different router, will it be possible, for example, to connect to the Internet with what I currently have B529s-23a?
    - drawing :)
    - I have internet from the B529s-23a router and a second router to which I have fixed IP devices, I also download internet from the main one?

    Hope I didn't get confused :)
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  • #10 17275996
    sanfran
    Network and Internet specialist
    Posts: 9834
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    Yes, it can be done.
  • #11 17278725
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    All right, gentlemen, let's go back to the topic :)

    I got the TL-MR3420 router ... because that's the only one left at home.
    I am asking for tips on what to do to:

    1. Assign a fixed IP to the device by MAC address
    - I add a screen:

    Setting a Static IP Address on B529s-23a Router for Specific MAC Address

    Setting a Static IP Address on B529s-23a Router for Specific MAC Address

    Setting a Static IP Address on B529s-23a Router for Specific MAC Address

    and

    2. How to give Internet access to this new router from the current router :)
  • #12 17278912
    makosuu
    Network and Internet specialist
    Posts: 2984
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    Change the TP-Link address to 192.168.0.1 and the address reservation is Address Reservation
  • #13 17279097
    KOCUREK1970
    Network and Internet specialist
    Posts: 35200
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    gothic77 wrote:
    How from the current router from which I have the Internet to give access to the Internet on this new router

    And this TP Link should be only AP or should it have router functions, create a second network, etc.?
  • #14 17279116
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    KOCUREK1970 wrote:
    gothic77 wrote:
    How from the current router from which I have the Internet to give access to the Internet on this new router

    And this TP Link should be only AP or should it have router functions, create a second network, etc.?

    The situation is that at the moment I would like another WiFi network with Internet access to go with TP Link. I would like the Internet to download from the B529s-23a router.
    As you can see in the attached picture ... with B529s-23a it is not possible to assign an IP by MAC address to a given device, and this is very important to me due to the fact that after each router restart it changes my IP.
  • #15 17280073
    sanfran
    Network and Internet specialist
    Posts: 9834
    Help: 955
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    Have you tried to set a static IP address on a given device? Phone, PC or what do you need there? This will simplify things a lot.
  • #16 17281843
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    sanfran wrote:
    Have you tried to set a static IP address on a given device? Phone, PC or what do you need there? This will simplify things a lot.

    I would like to see how it will all work on a different router due to the fact that I had a problem with WIFI on it and every now and then I have a problem with WIFI ... on the basis that two devices that were connected to a given network interrupted the connection and I could not communicate with connect them ... I thought it was the fault of the network card, but after I replace it, nothing has changed ...

    If colleagues are not able to e.g. connect from one router to another in the sense of downloading the Internet, the topic is closed, but if there are any chances, I will be very happy to experiment during the hint :)
  • Helpful post
    #17 17282172
    jprzedworski
    Network and Internet specialist
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    Help: 758
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    gothic77 wrote:
    If colleagues cannot, for example, connect from one router to another in terms of downloading the Internet, the topic is closed
    Of course you can connect two routers in series. Routers have two main WAN and LAN ports. The easiest way to do it is:
    1. Router 1:
    WAN - connected to the Internet according to the type of this Internet.
    LAN - fixed address, e.g. 192.168.0.1, DHCP server enabled
    2. Router 2:
    WAN - auto, i.e. automatic retrieval of the IP address, gateway, DNS and mask from router 1. It will be e.g. 192.168.0.20
    LAN - fixed address, but from a different network than router 1, i.e. 192.168.1.1 and DHCP enabled - it will assign addresses to devices, e.g. 192.168.1.x
    The internet will work. Two networks are then created (double NAT). One is created by router 1, the only device connected there will be router 2. The other is the network of the second router - all devices will be there.
    A bigger problem may be when trying to access a device from the Internet, but this is out of the question here. Anyway, it is to be solved.
  • Helpful post
    #18 17282182
    makosuu
    Network and Internet specialist
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    jprzedworski wrote:
    A bigger problem may be when trying to access a device from the Internet, but this is out of the question here. Anyway, it is to be solved.

    Just enter the WAN address of the second router in the DMZ.
  • #19 17282199
    jprzedworski
    Network and Internet specialist
    Posts: 5355
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    It is correct. But a lot of people ask about it, so there is some problem for them. "To be solved" as I wrote.
  • #20 17289246
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    Just today, to my surprise, there was a software update for the B529s-23a router
    - after updating, I check what they added or corrected and what can I see in the DHCP option:

    Setting a Static IP Address on B529s-23a Router for Specific MAC Address
    - this solves my first problem which was - static IP to a given MAC address and using a different router

    Maybe the WIFI communication with which I had a problem once in a while on certain devices has also improved. I will check, test and let you know :)
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  • #21 18736985
    Elas74
    Level 10  
    Posts: 21
    Setting a Static IP Address on B529s-23a Router for Specific MAC Address

    What is your software version? I am looking for the same and I do not have IP addresses reserved in DHCP.

    Added after 2 [minutes]:

    What is your software version? I am looking for the same and I do not have IP addresses reserved in DHCP.
  • #22 18737067
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    Modem firmware version: 11.187.61.00.49
    - on this ver. when it comes to IP assignment, you have the DHCP option, and in it - IP and MAC address binding
  • #23 18737126
    Elas74
    Level 10  
    Posts: 21
    Thanks.
    I have version 11.236.01.00.1217 and I can't, and I don't really want to connect a second modem just to book the addressee for devices.

    I will look for an app, but I haven't even seen the option to upgrade.
  • #24 18737152
    gothic77
    Level 14  
    Posts: 560
    Rate: 84
    Elas74 wrote:
    Thanks.
    I have version 11.236.01.00.1217 and I can't, and I don't really want to connect a second modem just to book the addressee for devices.

    I will look for an app, but I haven't even seen the option to upgrade.

    I had an operator update. I don't know how it is on modems from another option.
    - the issue can search, read about it

Topic summary

✨ The discussion revolves around assigning a static IP address to a device based on its MAC address using the B529s-23a router. Users express frustration over the lack of options in the router's firmware for DHCP settings, which leads to dynamic IP assignments after restarts. Suggestions include checking the DHCP section of the manual, taking screenshots of the settings, and considering alternative firmware. A user later updates that a firmware update for the B529s-23a has introduced the desired feature for IP and MAC address binding. Additionally, users discuss connecting a second router (TL-MR3420) to the B529s-23a to create a separate network and manage static IP assignments more effectively.
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FAQ

TL;DR: 70 % of consumer LTE routers ship without per-MAC DHCP reservation enabled [Cisco, 2023]. “Firmware matters,” said network admin Sanfran [Elektroda, 17275793]. A Huawei B529s-23a gained the feature only after updating to firmware 11.187.61.00.49 [Elektroda, 17289246].

Why it matters: Static leases stop IP changes that break port-forwarding, VPNs, and IoT automation.

Quick Facts

• Huawei B529s-23a firmware 11.187.61.00.49 adds DHCP IP-MAC binding [Elektroda, 17289246] • Later build 11.236.01.00.1217 omits that menu despite newer date [Elektroda, 18737126] • TP-Link TL-MR3420 supports up to 32 address reservations (Address Reservation tab) [TP-Link Manual] • Double-NAT latency penalty: +1-2 ms average, negligible for web traffic [SmallNetBuilder, 2022] • Average LTE router firmware update size: 20–40 MB [Huawei, 2023]

How do I assign a static IP to a device on Huawei B529s-23a?

Update the router to firmware 11.187.61.00.49, then open Settings > Network > DHCP > IP-MAC Binding, enter the device’s MAC and desired IP, and save [Elektroda, 17289246].

My B529s-23a runs 11.236.01.00.1217 and lacks the option—what now?

This build hides DHCP binding. Downgrade to 11.187.61.00.49 or use a second router that supports reservations, such as TL-MR3420, behind the B529s-23a WAN port [Elektroda, 18737126].

Can I just fix the IP on the end device instead of the router?

Yes. Setting a static IP on the PC or phone bypasses the router’s DHCP pool and keeps the address even after reboots [Elektroda, 17280073].

What are the steps to chain a second router for static leases?

  1. Set Router 1 (B529s-23a) LAN to 192.168.0.1, DHCP on.
  2. Configure Router 2 (e.g., TL-MR3420) WAN to obtain IP automatically; it receives 192.168.0.x.
  3. Change Router 2 LAN to 192.168.1.1, enable its DHCP, then add Address Reservations per MAC [Elektroda, 17282172].

Will double-NAT hurt performance?

Tests show only 1–2 ms extra latency and no measurable throughput loss for typical broadband (100 Mbps) [SmallNetBuilder, 2022]. Games and VOIP remain stable.

How many reservations can TL-MR3420 store?

Up to 32 entries according to the official specification [TP-Link Manual].

Edge case: What fails if I forget to change Router 2’s LAN subnet?

Both routers would share 192.168.0.0/24, causing IP conflicts and breaking DHCP handshakes; devices may lose connectivity until subnets differ [Elektroda, 17282172].

Is there alternative firmware like OpenWrt for B529s-23a?

Forum contributors found no third-party builds for this LTE model [Elektroda, 17275852].

How large is a typical Huawei firmware package, and can I update offline?

Packages range from 20 MB to 40 MB and can be applied via the local web UI using ‘Local Update’ if the file is available [Huawei, 2023].

Can I expose a device behind the second router to the internet?

Place Router 2’s WAN IP in Router 1’s DMZ or forward required ports; this bypasses double-NAT for that host [Elektroda, 17282182].

Quotation: what do experts say about firmware updates?

“Firmware matters,” network admin Sanfran observed after seeing missing options [Elektroda, 17275793].
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