Monday, 9 January 2017

Re: Using the dummy0 interface for a local-only service to be broadcasted by Avahi

Someone can help me on the problem I have posted some days ago? See below.

Till


On 12/30/2016 05:44 PM, Till Kamppeter wrote:
> On 12/30/2016 12:15 PM, Till Kamppeter wrote:
>>> If dealing with IPv6 link-local becomes too much of a pain, you can
>>> still go the ULA way and generate a random ULA address that you add to
>>> your ippusbxd interface which will then work without needing the
>>> interface name or interface id suffix.
>>>
>>
>> Thank you very much, I will look into the random ULA address solution.
>>
>
> I am now using a fixed ULA for testing:
>
> Setup:
>
> sudo ip link add ippusbxd type dummy
> sudo ip link set ippusbxdq up
> sudo ip link set ippusbxd multicast on
> sudo ip -6 addr add 'fd00:1:1::1/64' dev ippusbxd
>
> The new forth line assigns the fixed ULA fd00:1:1::1.
>
> ULA does not need interface specification:
>
> Print queue also works with
>
> ipp://[fd00:1:1::1]:60000/ipp/print
>
> Web browser and wget accept
>
> http://[fd00:1:1::1]:60000/
>
> but interface does not get loaded completely by browser.
>
> Added
>
> fd00:1:1::1 ippusbxd-printers
>
> to /etc/hosts
>
> and firefox loads web admin interface of the printer completely via
>
> http://ippusbxd-printers:60000/
>
> and the printer URI
>
> ipp://ippusbxd-printers:60000/ipp/print
>
> prints correctly.
>
> I also get:
>
> [email protected]:~$ hostname -I
> 192.168.0.15 192.168.122.1 2804:14c:5ba8:8b97::1
> 2804:14c:5ba8:8b97:205:1bff:feb0:7395 fd00:1:1::1
> [email protected]:~$ hostname -A
> till-x1carbon till-x1carbon till-x1carbon till-x1carbon ippusbxd-printers
> [email protected]:~$
>
> Does this mean that the first 4 IPs have the host name till-x1carbon and
> the address fd00:1:1::1 has the host name ippusbxd-printers?
>
> "ping ippusbxd-printers" pings the address fd00:1:1::1.
>
>
> Problems:
>
> 1. I would like to assign the name by Zeroconf and not by modifying
> /etc/hosts. How can I do this.
>
> 2. Bonjour/Avahi broadcasting still does not work correctly.
>
> I still register via
>
> error =
> avahi_entry_group_add_service_strlst(bonjour_data->ipp_ref,
> (int)if_nametoindex("ippusbxd"),
> AVAHI_PROTO_UNSPEC, 0,
> dnssd_name,
> "_ipp._tcp", NULL, NULL, 60000,
> ipp_txt);
>
> but the "Address:" entry in the Bonjour record visible in avahi-discover
> (Interface: ippusbxd -> local -> Internet Printer) still uses the wrong
> host name:
>
> Address: till-x1carbon.local/fd00:1:1::1:60000
>
> It should be
>
> Address: ippusbxd-printers/fd00:1:1::1:60000
>
> How can I fix this?
>
> Till
>


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