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Forums › LAN (ethernet/Wifi/routers/Bluetooth) › ASUS AC68U (RT-AC1900P) - with merlin - error in logs


173 posts

Master Geek
+1 received by user: 19


Topic # 240012 15-Aug-2018 11:14
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Hey all, 

 

Just wondering if anyone could help with the following error in my logs:

 

dnsmasq-dhcp[9432]: not giving name Apple-TV4 to the DHCP lease of 192.168.1.241 because the name exists in /etc/hosts.dnsmasq with address 192.168.1.243

 

It's happening with another wireless device as well.

 

I've manually assigned the ATV4 the IP of 192.168.1.241 in the router by turning on the MAC and IP address binding but still get this error.

 

I've only noticed it in the last few updates with Merlin but for some reason can't post on the SNB forums at present.

 

I did change the device from being wired cat6 to go wireless via 5GHz as it's faster for this device so not sure if something went wrong after that switch or if it was there previous to that.  

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94 posts

Master Geek
+1 received by user: 13


  Reply # 2073884 15-Aug-2018 14:15
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The message is a bit misleading (it has nothing to do with hosts.dnsmasq) but it's harmless. You need to wait until dynamic lease 192.168.1.243 lease expires and gets removed from leases file. When ATV4 didn't have a static lease allocated and requested a lease dnsmasq randomly allocated 192.168.1.243, during DHCP exchange ATV4 provided its hostname, so dnsmasq recorded lease+hostname into leases file. Something like this:

 

<expiry timestamp> XX:XX:XX:XX:XX:XX 192.168.1.243 Apple-TV4 *

 

Now dnsmasq tries to add a new record with the same hostname and complains:

 

<expiry timestamp> XX:XX:XX:XX:XX:XX 192.168.1.241 Apple-TV4 *

 

dnsmasq will issue 192.168.1.241 to ATV4 anyway, but if you try to resolve "Apple-TV4" via nslookup it will return 192.168.1.243

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