Solution to DHCP Issues of Routers (ER605 | ER7206 | ER8411 | ER7212PC) [Closed on May 22nd 2023]

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Solution to DHCP Issues of Routers (ER605 | ER7206 | ER8411 | ER7212PC) [Closed on May 22nd 2023]

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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Nov 11th 2022]
2023-01-21 16:44:25

  @kogan 

 

I use a lot of vlan, I also have omada switches and access points of various kinds, but it is clearly a problem, there is no doubt about it, there have been fixes for this a few times, so I hope that they find a final solution to this soon.

 

but what triggers this problem would be interesting to know :-)

 

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#178
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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Nov 11th 2022]
2023-01-22 14:34:02

  @NTWRK You mentioned that your router passed the Shields Up test, which tests IPv4. If you're using IPv6, would you consider running a similar test for IPv6?  The forum won't let me post the link, so you can Google: Online IPv6 Port Scanner and Firewall Tester. (Welcome to IPscan, an open source IPv6 port scanner, or firewall tester, which checks multiple, user-selectable TCP, UDP and ICMPv6 services.) 

 

The DHCP problems are bad, but so is leaving IPv6 access open, which has been the case for months. We had been promised the addition of IPv6 firewall features in December.

 

Please let us know. Thank you.

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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Nov 11th 2022]
2023-01-22 15:35:49

@Gary_E - I ran the Online IPv6 Port Scanner and Firewall Tester and, unlike with ShieldsUP, it did not pass. A few ports were green (STLTH) but most of them were yellow (RFSD): A refused indication (TCP RST/ACK or ICMPv6 type 1 code 4) was received when attempting to open this port. Someone can ascertain that your machine, or another device in the path, is responding on this IPv6 address/port combination, but cannot establish a direct connection.

 

Thank you...I have disabled IPv6 on my network as it does not appear, at least in this newer ER605 v1 1.2.2 beta build (20230118), that the IPv6 firewall is present.

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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Nov 11th 2022]
2023-01-23 23:17:19

  @NTWRK what is the 1.2.2 beta link? I tried various URLs based on that date and the usual pattern but couldn't find the right one.

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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Nov 11th 2022]
2023-01-24 00:54:42

  @dsj  It is kind of cluegy to find. Here is the thread link.

https://community.tp-link.com/en/business/forum/topic/581548

 

This is the beta from the thread but know that it is NOT fixed. It still fails and my wife chewed me a me new one today when I got home.

 

https://static.tp-link.com/upload/beta/2022/202210/20221017/ER605(UN)_v1_1.2.2_20221015(Beta).zip

 

 

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#182
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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Nov 11th 2022]
2023-01-24 10:54:10

  @trak55 

ER605 v1 1.2.2 20230118 beta is the beta mentioned by  @NTWRK . This seem a different beta from last week given for testing to some folks (probably more like an alpha then beta). This is my guess I've no idea of what I am saying is true.

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#183
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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Nov 11th 2022]
2023-01-30 06:52:17

Dear @NTWRK and other community members,

 

NTWRK wrote

 

@Hank21 / @Fae - Can you please share the ER605 v1 1.2.2 20230118 beta with this forum? Are there any recent betas for ER605 v2 or ER7206 that you can also share?

 

I've updated the Beta firmware for ER605 v1/v2 and ER7206, please check this original post for downloading.

>> Omada EAP Firmware Trial Available Here << *Try filtering posts on each forum by Label of [Early Access]*
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#184
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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Jan 30th 2023]
2023-01-30 13:45:48

  @Fae 

I just tried to OC200 remotely update a TL-R605 v1.0  currently on 1.2.1 Build 20220512 Rel.76748 to ER605(UN)_v1_1.2.2_Build 20230118 (Beta)

 

I received firmware file invalid message and the router has been offline since :(

 

Oddly, the two APs connected to this router are still online.

Maybe just the management access to the ER605 has been lost?

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#185
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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Jan 30th 2023]
2023-01-30 13:56:54

  @add1n1 

 

just restart the er605 - afterthat the update will work.

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#186
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Re: ER605 ER7206 v1 - DHCP Server May Fail With 1.2.0 and 1.2.1 Firmware [Updated on Nov 11th 2022]
2023-01-30 15:01:39

  @Fae 

I have downloaded and upgraded my ER7206 to the beta firmware. RIght after that I have ran the AI Optimisation, since that triggered the problem last time, unfortunately, i still had the issue. My devices didn't get IP address until I went to the Network section and click "Save" button without changing anything. 

 

I will do further testing but seems like the problem persists.

 

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