DHCPS Lease hostname not found
SysLog:
1 WARNING 0days, 03:03:52, [dhcps]Lease host name not found.
2 WARNING 0days, 03:22:45, [dhcps]Lease host name not found.
3 WARNING 0days, 05:09:20, [dhcps]Lease host name not found.
4 WARNING 0days, 05:12:23, [dhcps]Lease host name not found.
5 WARNING 0days, 05:35:19, [dhcps]Lease host name not found.
6 WARNING 0days, 05:53:15, [dhcps]Lease host name not found.
7 WARNING 0days, 06:03:52, [dhcps]Lease host name not found.
8 INFO 0days, 06:24:38, [dhcps]Send OFFER with ip 192.168.0.2.
9 INFO 0days, 06:24:38, [dhcps]Send ACK to 192.168.0.2.
10 WARNING 0days, 07:37:09, [dhcps]Lease host name not found.
11 WARNING 0days, 07:48:09, [dhcps]Lease host name not found.
12 WARNING 0days, 08:14:29, [dhcps]Lease host name not found.
13 INFO 0days, 08:14:29, [dhcps]Send OFFER with ip 192.168.0.3.
14 WARNING 0days, 08:14:30, [dhcps]Lease host name not found.
15 INFO 0days, 08:14:30, [dhcps]Send ACK to 192.168.0.3.
16 WARNING 0days, 09:03:53, [dhcps]Lease host name not found.
17 WARNING 0days, 10:45:38, [dhcps]Lease host name not found.
18 WARNING 0days, 11:15:06, [dhcps]Lease host name not found.
19 WARNING 0days, 11:15:07, [dhcps]Lease host name not found.
20 WARNING 0days, 12:03:53, [dhcps]Lease host name not found.
21 WARNING 0days, 13:25:29, [dhcps]Lease host name not found.
22 WARNING 0days, 14:47:29, [dhcps]Lease host name not found.
23 WARNING 0days, 14:59:32, [dhcps]Lease host name not found.
24 WARNING 0days, 15:03:54, [dhcps]Lease host name not found.
25 WARNING 0days, 15:16:03, [dhcps]Lease host name not found.
26 WARNING 0days, 15:42:32, [dhcps]Lease host name not found.
27 WARNING 0days, 15:59:40, [dhcps]192.168.0.2 belongs to someone, reserving it for 3600 seconds.
28 WARNING 0days, 15:59:40, [dhcps]Lease host name not found.
29 INFO 0days, 15:59:40, [dhcps]Send OFFER with ip 192.168.0.3.
30 WARNING 0days, 15:59:41, [dhcps]Lease host name not found.
31 INFO 0days, 15:59:41, [dhcps]Send ACK to 192.168.0.3.
32 INFO 0days, 16:24:27, [dhcps]Send OFFER with ip 192.168.0.111.
33 INFO 0days, 16:24:27, [dhcps]Send OFFER with ip 192.168.0.111.
34 WARNING 0days, 16:24:28, [dhcps]Lease host name not found.
35 INFO 0days, 16:24:28, [dhcps]Send ACK to 192.168.0.111.
36 WARNING 0days, 16:24:28, [dhcps]Lease host name not found.
37 INFO 0days, 16:24:28, [dhcps]Send ACK to 192.168.0.111.
38 INFO 0days, 17:33:32, [dhcps]Send OFFER with ip 192.168.0.100.
39 INFO 0days, 17:33:33, [dhcps]Send ACK to 192.168.0.100.
40 WARNING 0days, 18:03:55, [dhcps]Lease host name not found.
41 INFO 0days, 19:13:47, [dhcps]Send OFFER with ip 192.168.0.111.
42 INFO 0days, 19:13:48, [dhcps]Send OFFER with ip 192.168.0.111.
43 WARNING 0days, 19:13:49, [dhcps]Lease host name not found.
44 INFO 0days, 19:13:49, [dhcps]Send ACK to 192.168.0.111.
45 WARNING 0days, 19:13:49, [dhcps]Lease host name not found.
46 INFO 0days, 19:13:49, [dhcps]Send ACK to 192.168.0.111.
47 WARNING 0days, 19:41:31, [dhcps]Lease host name not found.
48 WARNING 0days, 20:52:36, [dhcps]192.168.0.2 belongs to someone, reserving it for 3600 seconds.
49 INFO 0days, 20:52:37, [dhcps]Send OFFER with ip 192.168.0.4.
50 INFO 0days, 20:52:38, [dhcps]Send ACK to 192.168.0.4.
51 WARNING 0days, 21:03:55, [dhcps]Lease host name not found.
52 WARNING 0days, 21:10:04, [dhcps]Lease host name not found.
53 INFO 0days, 21:20:23, [dhcps]Send OFFER with ip 192.168.0.5.
54 INFO 0days, 21:20:24, [dhcps]Send ACK to 192.168.0.5.
55 WARNING 0days, 21:51:56, [dhcps]Lease host name not found.
56 WARNING 0days, 21:56:19, [dhcps]Lease host name not found.
57 INFO 0days, 22:04:50, [dhcps]Send OFFER with ip 192.168.0.5.
58 INFO 0days, 22:04:51, [dhcps]Send ACK to 192.168.0.5.
59 INFO 0days, 22:07:43, [dhcps]Send OFFER with ip 192.168.0.5.
60 INFO 0days, 22:07:44, [dhcps]Send ACK to 192.168.0.5.
61 INFO 0days, 22:32:14, [dhcps]Send OFFER with ip 192.168.0.4.
62 INFO 0days, 22:32:15, [dhcps]Send ACK to 192.168.0.4.
100 is my PC. 111 is my Phone. Both are permanent. 5, 3 and 4 are other devices like Chromebooks and phones, these are not permanent leases..
On my PC when this happens I lose internet and every packet sent trying to ping the local gateway is lost. On my Android device, every time the router does the OFFER/ACK cycle I lose internet connection or the ability to log in at the router, despite the WiFi connection being intact. For Android, the solution is to disable and enable the WiFi function in order to regain access until the next OFFER/ACK cycle. On PC, I have yet to find a solution.
This problem occurred recently for PC, and while thinking it was the QoS being the culprit, I just went ahead and factory reset the router. Everything was fine for a day or so before the issues started showing up again.
This happens regardless if a device has a static local IP or dynamic. I don't understand why the router is running ACK/OFFER on permanent leased IPs, but it does. I don't understand why the host name isn't found either.
It appears this problem gets worse as time goes by, the router more often runs these commands and over the next 3 weeks I expect to have to factory reset again. I've done a lot of digging but every article/forum post pertaining to these symptoms either has no responses or the solution is to install DD-WRT on the router. Now I really like TP-LINK's GUI, much better than that of DD-WRT. But if that's the only way I can get a reliable DHCP server, then I will install it.
I'm hoping someone here has had a similar issue, or knows what causes these symptoms so that I can continue using this GUI.
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1. Will the internet LED on the Archer C80/C64 change to orange/red when the issue happens?
- Yes
2. Who is your ISP? What is the model of the ISP-provided modem? Do you have stable internet connectivity if you connect a computer directly to the modem? This needs to be tested and verified for the same period when you observed the disconnect on the C80/C64.
- The internet connectivity is stable when device is connected directly to the modem
3. If the ISP-provided modem gives you a pretty stable connection, please try with a new Cat5e or Cat6 Ethernet cable between the modem and the C80/C64 to observe if it will make a difference.
- New cable, the same results (I want to clarify that there were no any issues before Oct-Nov, I think, as I'm using the router about a year now, with the same devices connected from the first day.)
4. If nothing helps, please save the whole system log on the C80/C64 and send it to support.forum@tp-link.com for further investigation.
- sent
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Georgi681 wrote
1. Will the internet LED on the Archer C80/C64 change to orange/red when the issue happens?
- Yes
2. Who is your ISP? What is the model of the ISP-provided modem? Do you have stable internet connectivity if you connect a computer directly to the modem? This needs to be tested and verified for the same period when you observed the disconnect on the C80/C64.
- The internet connectivity is stable when device is connected directly to the modem
3. If the ISP-provided modem gives you a pretty stable connection, please try with a new Cat5e or Cat6 Ethernet cable between the modem and the C80/C64 to observe if it will make a difference.
- New cable, the same results (I want to clarify that there were no any issues before Oct-Nov, I think, as I'm using the router about a year now, with the same devices connected from the first day.)
4. If nothing helps, please save the whole system log on the C80/C64 and send it to support.forum@tp-link.com for further investigation.- sent
@Georgi681 Thank you very much.
Email received and has been forwarded to our support engineers for further analysis.
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@TP-Link @Kevin_Z
This is good, but first complains about this issue is from 2 years ago.
Why 2 years are not enough to find and resolve the issue with TP_Link routers?
Every user is asked to follow the troubleshooting procedure, but with so many complains it is obvious the problem is not in the user configuration/connected devices, but something in the firmware probably.
"TP_link" was first brand name which came into your mind when say "router", but now, with these continuous problems, as many before me, I will look around for router which is NOT TP-Link. As one of the users wrote - we are working, and it is not only annoying to disconnect from a meeting or in the middle of something important.
Today I experienced at least 4 drops during the day.
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I just had a similar issue with an Android phone. Trying to connect to the Wi-Fi. The problem for me was the "IP & MAC Binding" feature. Switched it off and phone connected straight away. I can only assume that the binding feature doesn't work well with Dynamic IP connection type. Or it's my Motorola E7 Power. Which despite the name. Is an underpowered piece of garbage.
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Georgi681 wrote
@TP-Link @Kevin_Z
This is good, but first complains about this issue is from 2 years ago.
Why 2 years are not enough to find and resolve the issue with TP_Link routers?
Every user is asked to follow the troubleshooting procedure, but with so many complains it is obvious the problem is not in the user configuration/connected devices, but something in the firmware probably.
"TP_link" was first brand name which came into your mind when say "router", but now, with these continuous problems, as many before me, I will look around for router which is NOT TP-Link. As one of the users wrote - we are working, and it is not only annoying to disconnect from a meeting or in the middle of something important.
Today I experienced at least 4 drops during the day.
@Georgi681 Thank you again for following up and sorry for confirming the details.
However, without those details, our engineers may not be able to analyze the issue, as it may be hard to determine if the issue was caused by the router itself or by the environment. And there could be a lot of factors that may cause the issue you are reporting, and that's why we want to understand more about how do you use the router.
Please don't worry, our engineers will try their best to help work it out. Please continue working with them directly via email and update the solution with the community.
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Looks that this is "standard " issue on TP link devices. My Archer C80is doing the same. Drops for few seconds... anoying and useless. I have a bounch on new C80 and C6 devices.. Bought short ago (2x C80, 2x C6). Thinking to throw them away.
I am using standard MAC tables (no masking, etc) it happens on all devices as the Router is dropping everything hang on it....
-So it is not for specific client
-it is not for private or randomezed MAC
I am using ISP provider on the optic .. Previous Dlink worked well, but I replaced it because of Dlink was getting old.. But what a mistake. Archer C80 is new but very disappointing. It drops my network at least 200 times a day. Watching TV.. stops suddenly, listening radio drops suddenly, having a video conference drops me out suddenly...
I would expect fast firmware updates to solve this issue.
227 INFO 0days, 22:51:24, [dhcps]Send ACK to 192.168.10.112.
228 INFO 0days, 22:57:59, [dhcps]Lease host name not found.
229 INFO 0days, 22:57:59, [dhcps]Send OFFER with ip 192.168.10.100.
230 WARNING 0days, 22:57:59, [dhcps]Lease host name not found.
238 WARNING 0days, 23:24:55, [dhcps]IP(C0A80C19) not in dhcp pool or equal to server ip, ignore!!!
239 INFO 0days, 23:24:55, [dhcps]Send OFFER with ip 192.168.10.102.
240 INFO 0days, 23:24:55, [dhcps]Send NAK to 0, lease ip c0a80a6d.
241 INFO 0days, 23:24:55, [dhcps]Send OFFER with ip 192.168.10.104.
242 WARNING 0days, 23:24:55, [dhcps]IP(C0A80C19) not in dhcp pool or equal to server ip, ignore!!!
248 WARNING 0days, 23:24:57, [dhcps]Lease host name not found.
249 INFO 0days, 23:24:57, [dhcps]Send ACK to 192.168.10.109.
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BojanO wrote
Looks that this is "standard " issue on TP link devices. My Archer C80is doing the same. Drops for few seconds... anoying and useless. I have a bounch on new C80 and C6 devices.. Bought short ago (2x C80, 2x C6). Thinking to throw them away.
I am using standard MAC tables (no masking, etc) it happens on all devices as the Router is dropping everything hang on it....
-So it is not for specific client
-it is not for private or randomezed MAC
I am using ISP provider on the optic .. Previous Dlink worked well, but I replaced it because of Dlink was getting old.. But what a mistake. Archer C80 is new but very disappointing. It drops my network at least 200 times a day. Watching TV.. stops suddenly, listening radio drops suddenly, having a video conference drops me out suddenly...
I would expect fast firmware updates to solve this issue.
227 INFO 0days, 22:51:24, [dhcps]Send ACK to 192.168.10.112.
228 INFO 0days, 22:57:59, [dhcps]Lease host name not found.
229 INFO 0days, 22:57:59, [dhcps]Send OFFER with ip 192.168.10.100.
230 WARNING 0days, 22:57:59, [dhcps]Lease host name not found.
238 WARNING 0days, 23:24:55, [dhcps]IP(C0A80C19) not in dhcp pool or equal to server ip, ignore!!!
239 INFO 0days, 23:24:55, [dhcps]Send OFFER with ip 192.168.10.102.
240 INFO 0days, 23:24:55, [dhcps]Send NAK to 0, lease ip c0a80a6d.
241 INFO 0days, 23:24:55, [dhcps]Send OFFER with ip 192.168.10.104.
242 WARNING 0days, 23:24:55, [dhcps]IP(C0A80C19) not in dhcp pool or equal to server ip, ignore!!!
248 WARNING 0days, 23:24:57, [dhcps]Lease host name not found.
249 INFO 0days, 23:24:57, [dhcps]Send ACK to 192.168.10.109.
Hi @BojanO, except for the logs, can you please confirm some more details as below?
1. Will the internet LED on the Archer C80/C6 change to orange/red when the issue happens?
2. Who is your ISP? What is the model of the ISP-provided modem? Do you have stable internet connectivity if you connect a computer directly to the modem? This needs to be tested and verified for the same period when you observed the disconnect on the C80/C6.
3. If the ISP-provided modem gives you a pretty stable connection, please try with a new Cat5e or Cat6 Ethernet cable between the modem and the C80/C6 to observe if it will make a difference.
4. If nothing helps, please save the whole system log on the C80/C6 and send it to support.forum@tp-link.com for further investigation.
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I believe your IP address pool is wrong. It shouldn't start with a 2 but rather a 100. Mine is the same way. Also I think you have the google DNS number wrong. It should be 8.8.4.4
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