Bonjour Service Name changes unexpectedly after being set on m402dn printer

[Seven709]

Hi all,

First: still stable, so that would be day 18 🙂

I will try to summarize and answer the post's from last days:

Yes, no changes in configuration whatsoever, beside disabling IPv6 (while keeping static IPv4)

On April the 24th we got a new digital electric meter, which obviously resulted in a short power outage for our appartment. However, my network switches, DSL router and QNAP are protected by a UPS, while the printer is not. In brief, on the 24th, the printer "rebooted".

Frankly speaking, I didn't noticed. My Macbook has a currently three IPv6 addresses:

inet6 fe80::2c:a359:e65e:cb84%en0 prefixlen 64 secured scopeid 0x5

inet6 2001:XXXX:XXXX:d00:3d:5196:ce94:21b5 prefixlen 64 autoconf secured 

inet6 2001:XXXX:XXXX:d00:7dad:d4ed:b4e2:d15b prefixlen 64 autoconf temporary

but I think this is quite normal. Please note that my internal name resolution via DNS is only consistent and maintainend for IPv4 addresses. IPv6 address name resolution is working but only for external public IPs. For IPv4 DHCP and DNS I have running a dedicated VM with Bind / ISC.

I just checked the configuration on my DSL Router ( AVM 7490 FritzBox). IPv6 DHCP is disabled, Clients are forced to use SLAAC to determin there IPv6 address. It "only" announces itself as the default router and provided the IPv6 prefix.

regards

Seven

[Seven709]

Hi all,

day 25 and still the same Bonjour name. Printer was online the whole time and printing two one-side documents just worked  Before disabling IPv6 the "Namechange" hit me approx. every three weeks. So, it's time for some optimism 🙂

regards

Seven

[IronBadger]

Thank you for the follow up.  At least we have a possible work around while trying to determine root cause.

[irishguy8]

My printer has maintained the same Bonjour name since I disabled the IPv6, and only used IPv4.  SO that's good.  I will say however, that it still seems to have issues from time to time, where:

- it's connected to the WiFI

- the name is the same

- the computer can't print to it (says it's disconnected)

- if I turn the wifi off/on on the printer, it resolves itself and I can print/scan

[Seven709]

Hi all,

one remark concerning the "disable IPv6" hypothesis. In my case, as mentioned earlier, IPv6 addresses changes every day while IPv4 was static right from the beginning. It seems that we need to determine whether this name change issue is triggered by the fact that an IP address changes (whether or not its v6 or v4) or, it has something to do solely with IPv6. But I would like to leave these tests in more capable hands 🙂 Right now I'm happy with the fact that I (very likely) found a configuration where my printer does what I bought it for ... printing 🙂

@IrishGuy8: I'm not a true network expert, but I had my humble share of experiences. In your case I had the gut feeling that this might more a problem of WiFi authentication/disconnecting. It would be interesting to know if this behavior will also occur when you connect the printer via Cable/LAN (if it's technically possible).

regards

Seven

[Seven709]

Hi all,

just a quick update on this case:

Since now, the printer is running stable and remains online // accessible 24/7. No more name changes whatsoever.

Still the only change was disabling IPv6 (assigned via DHCP). IPv4 address was static right from the beginning.

In other words, try using static IP addresses in your printers configuration as a workaround.

regards

Seven