Are the two subnets connected to two different LAN interfaces on Astlinux?
If so look at the avahi service and in avahi-daemon.conf add this...

[reflector]
enable-reflector=yes
reflect-ipv=no
#reflect-filters=_printer._tcp.local,_ipp._tcp.local,_pdl-datastream._tcp.local,_airplay._tcp.local,_raop._tcp.local,_googlecast._tcp.local,_googlerpc._tcp.local,_googlezone._tcp.local,_hap._tcp.local,_appletv-v2._tcp.local,_homekit._tcp.local

I have commented out the reflect-filter line above which means "reflect"
all bonjour traffic across interfaces, if you uncomment then only those
listed services will be reflected between LANs... above I have a typical
set.

You can view what services are broadcast on your LANs with the "Discovery"
app available in both the iOS and MacOS app stores (I don't know about
Android but presume there is a version for that too).  Beware that clients
cache what they find so enabling/disabling or changing the reflect-filter
in avahi does not necessarily get immediately picked up by the clients.

And... if you want a client on one LAN to talk to a printer on another LAN
then firewall rules need to permit the traffic.

David



On Wed, Oct 14, 2020 at 5:11 PM Michael Knill <
michael.kn...@ipcsolutions.com.au> wrote:

> Would it be worth turning on UPnP do you think?
>
> Regards
> Michael Knill
>
> On 15/10/20, 8:08 am, "Michael Knill" <michael.kn...@ipcsolutions.com.au>
> wrote:
>
>     Hi Guys
>
>     It seems that this was working fine when the Cisco router was in place
> and only stopped when the Astlinux box was put in place.
>     Looking at the Cisco router I do see 'ip forward-protocol nd' with nd
> being the Neighbor Discovery Protocol which may have been the reason it
> worked.
>     Is it possible to set this up on Astlinux?
>
>     Regards
>     Michael Knill
>
>     On 14/10/20, 7:34 am, "Michael Knill" <
> michael.kn...@ipcsolutions.com.au> wrote:
>
>         Hi Lonnie. Good question.
>
>         I have a site with two customers sharing the same network and
> telephony infrastructure.
>         The data network is segregated for the two customers but there is
> a single shared printer on one of the networks.
>         The customer on the other network is having problems with the
> printer and their current IT provider has said that because the driver is
> so crap, the printer needs to be on the same network (Sigh!)
>         Also this network has a number of statically assigned devices.
>
>         I must admit that as I write this, I'm not sure this is going to
> solve the problem. So ridiculous!
>
>         Thanks guys though for the info.
>
>         Regards
>         Michael Knill
>
>         On 14/10/20, 12:22 am, "Lonnie Abelbeck" <
> li...@lonnie.abelbeck.com> wrote:
>
>             A question to Michael Knill, can you help us understand why
> you want to add an additional IP to a LAN ?
>
>             A comment, when adding network commands to rc.elocal, it is
> best to use 'ip' (iproute2) instead of 'ifconfig' (busybox).
>
>             So, if for some reason you want to add 192.168.99.1/32 to
> eth1, simply:
>             --
>             ip addr add 192.168.99.1/32 dev eth1
>             --
>
>             If for some reason you want it to look like an old-style
> ifconfig 'alias' with label 'eth1:1', add the label:
>             --
>             ip addr add 192.168.99.1/32 dev eth1 label eth1:1
>             --
>
>             Lonnie
>
>
>
>
>             > On Oct 13, 2020, at 3:03 AM, Michael Keuter <
> li...@mksolutions.info> wrote:
>             >
>             >
>             >
>             >> Am 13.10.2020 um 06:16 schrieb Michael Knill <
> michael.kn...@ipcsolutions.com.au>:
>             >>
>             >> Hi Group
>             >>
>             >> Is there a way to add a secondary LAN IP Address with
> Astlinux?
>             >> I cant see an INTIP_ALIAS variable!
>             >>
>             >> Regards
>             >> Michael Knill
>             >
>             >
> https://www.cyberciti.biz/faq/linux-creating-or-adding-new-network-alias-to-a-network-card-nic/
>             >
>             > You have to add this to rc.elocal to make it persistent.
>             >
>             > Michael
>             >
>             > http://www.mksolutions.info
>             >
>             >
>             >
>             >
>             >
>             > _______________________________________________
>             > Astlinux-users mailing list
>             > Astlinux-users@lists.sourceforge.net
>             > https://lists.sourceforge.net/lists/listinfo/astlinux-users
>             >
>             > Donations to support AstLinux are graciously accepted via
> PayPal to pay...@krisk.org.
>             >
>             >
>
>
>
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>
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> PayPal to pay...@krisk.org.
>
>
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>         https://lists.sourceforge.net/lists/listinfo/astlinux-users
>
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> to pay...@krisk.org.
>
>
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>
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> pay...@krisk.org.
>
>
> _______________________________________________
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