[OpenWrt-Devel] umdns vs avahi: differences in browse (missing ip addresses)

Karl Palsson karlp at tweak.net.au
Wed Nov 28 10:20:22 EST 2018

Karl Palsson <karlp at tweak.net.au> wrote:
> Hi,
> I've been using umdns to advertise some services for a little
> while, and when browsing from my desk, with avahi-browse, it
> has worked well. I've finally gotten around to using "ubus
> umdns browse" and have found some
> inconsistences/differences/quirks. Any insights appreciated.

Similarly, even without having avahi/umdns handle the
advertisements, just looking at printers/scanners on the network
shows very different results

umdns browse: 
	"_scanner._tcp": {
		"HP Color LaserJet MFP M477fdw (BC9380)": {
		"Officejet Pro 8500 A909g [985C10]": {
			"txt": "txtvers=1",
			"txt": "ty=Officejet Pro 8500 A909g",
			"txt": "mfg=HP",
			"txt": "mdl=Officejet Pro 8500 A909g",
			"txt": "adminurl=http:\/\/dhcppc4.local.",
			"txt": "button=T",
			"txt": "flatbed=T",
			"txt": "feeder=T"


= enp0s25 IPv6 HP Color LaserJet MFP M477fdw (BC9380)        _scanner._tcp        local
   hostname = [NPIBC9380.local]
   address = []
   port = [8289]
   txt = ["note=" "flatbed=T" "feeder=T" "button=T" "usb_MDL=HP Color LaserJet MFP M477fdw" "usb_MFG=Hewlett-Packard" "mdl=MFP M477fdw" "mfg=Hewlett Packard" "ty=HP Color LaserJet MFP M477fdw" "adminurl=http://NPIBC9380.local." "txtvers=1" "UUID=564e4238-4a37-3935-574a-ec8eb5bc9380"]

= enp0s25 IPv6 Officejet Pro 8500 A909g [985C10]             _scanner._tcp        local
   hostname = [dhcppc4.local]
   address = []
   port = [9500]
   txt = ["feeder=T" "flatbed=T" "button=T" "adminurl=http://dhcppc4.local." "mdl=Officejet Pro 8500 A909g" "mfg=HP" "ty=Officejet Pro 8500 A909g" "txtvers=1"]

Karl P
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