The device at 192.168.1.12 is configured for VLAN 12. the other devices in
the trace: 192.168.1.1 and 192.168.1.3 are not configured for VLANs.

Did you intend for it to be on VLAN 12? If so then we would need more info
about your network configuration.

On Wed, Oct 21, 2015 at 11:42 AM, Nicholas Mace <n...@swm.me.uk> wrote:

> Dear Lonny,
>
> Thanks very much for responding. I'm sorry it's taken me a little while
> to reply - I haven't actually received any emails from the mailing list!
> I've change my settings to get all emails, rather than the daily digest,
> let's hope that fixes it. I found your response on the mailing list
> website.
>
> Thanks for telling me about tcpdump. Here's the output whilst the phone
> is booting. The AstLinux server is 192.168.1.3, my desktop PC is
> 192.168.1.2 (which I've excluded as I'm running PuTTY from it) and the
> phone is 192.168.1.12:
> swm-pbx ~ # tcpdump -n -e 'host (192.168.1.3 or 192.168.1.12) and not
> 192.168.1.2'
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
> 17:01:09.509007 00:50:7f:e4:21:08 > ff:ff:ff:ff:ff:ff, ethertype ARP
> (0x0806), length 60: Request who-has 192.168.1.12 tell 192.168.1.1,
> length 46
> 17:01:12.509986 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.12 tell 0.0.0.0, length 42
> 17:01:13.009867 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.12 tell 192.168.1.12, length 42
> 17:01:13.672863 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.3 tell 192.168.1.12, length 42
> 17:01:15.668643 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.3 tell 192.168.1.12, length 42
> 17:01:17.668695 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.3 tell 192.168.1.12, length 42
> 17:01:19.668776 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.3 tell 192.168.1.12, length 42
> 17:01:21.668849 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.3 tell 192.168.1.12, length 42
> 17:01:54.105594 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.12 tell 0.0.0.0, length 42
> 17:01:54.608034 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Reply 192.168.1.12
> is-at 00:04:f2:25:e7:27, length 42
> 17:01:54.609002 00:04:f2:25:e7:27 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
> (0x8100), length 60: vlan 12, p 0, ethertype ARP, Request who-has
> 192.168.1.12 tell 192.168.1.12, length 42
>
> I then tried to ping the phone from the AstLinux server:
> 17:03:34.339498 00:01:80:66:cd:cc > ff:ff:ff:ff:ff:ff, ethertype ARP
> (0x0806), length 42: Request who-has 192.168.1.12 tell 192.168.1.3,
> length 28
> 17:03:34.339991 00:04:f2:25:e7:27 > 00:01:80:66:cd:cc, ethertype 802.1Q
> (0x8100), length 68: vlan 12, p 2, ethertype ARP, Reply 192.168.1.12
> is-at 00:04:f2:25:e7:27, length 50
> 17:03:35.342383 00:01:80:66:cd:cc > ff:ff:ff:ff:ff:ff, ethertype ARP
> (0x0806), length 42: Request who-has 192.168.1.12 tell 192.168.1.3,
> length 28
> 17:03:35.342783 00:04:f2:25:e7:27 > 00:01:80:66:cd:cc, ethertype 802.1Q
> (0x8100), length 68: vlan 12, p 2, ethertype ARP, Reply 192.168.1.12
> is-at 00:04:f2:25:e7:27, length 50
> 17:03:36.344382 00:01:80:66:cd:cc > ff:ff:ff:ff:ff:ff, ethertype ARP
> (0x0806), length 42: Request who-has 192.168.1.12 tell 192.168.1.3,
> length 28
> 17:03:36.344785 00:04:f2:25:e7:27 > 00:01:80:66:cd:cc, ethertype 802.1Q
> (0x8100), length 68: vlan 12, p 2, ethertype ARP, Reply 192.168.1.12
> is-at 00:04:f2:25:e7:27, length 50
>
> So it looks to me as though, for whatever reason, my AstLinux server is
> ignoring ARP requests from the phone and then also ignoring ARP
> responses from the phone. Or have I accidentally excluded some packets
> with my criteria?
>
> I haven't used VLANs before. That doesn't mean I can't now! Won't I
> still have the same problem as above?
>
> My network setup is as follows - hopefully the ASCII art will be
> faithfully rendered by the mailing list:
>
>     Wireless Access Point                     Router
>        192.168.1.9                         192.168.1.1
>             |                                   |
>             |                                   |
> Netgear FS726TP PoE Switch --------- Netgear GS724T Switch ---------
> Netgear GS110TP PoE Switch
>             |                            | |                       |
>             |                            | |                       |
> PolyCom SoundPoint IP 330 Phone   AstLinux Server  Desktop
> PC             Another phone
> 192.168.1.12 (dynamic IP)          192.168.1.3 192.168.1.2
> eventually
> (Total of 4 phones eventually)
>
> Best wishes,
>
> Nick
>
> > Hi Nick,
> >
> > This could well be a basic networking issue as you stated...
> >
> > Personally, if you have a single interface AstLinux box I would
> generally recommend using VLAN's for the phones behind AstLinux so the
> AstLinux DHCP server is used to configure the IP Phones.  If you do not
> have a managed switch that supports VLAN's, or are not comfortable with
> VLAN's, then we have to go back to the basics.  But with VLAN's your
> AstLinux box with one interface can be viewed as a "router-on-a-stick"
> where the untagged packets (ex. eth0) act as the external interface
> connected to your private network and your phones can be configured as an
> internal interface on AstLinux using a VLAN (ex. eth0.20).  The phones
> often use a PoE switch, separate from your main switch, which can manage
> all the internal VLAN interfaces AstLinux can provide.  You may also want a
> data VLAN (ex. eth0.10).  Each VLAN interface would be a unique private
> network.
> >
> > Note:  If you have not used VLAN's before, you don't have to use them,
> and getting your head around using VLAN's can be tricky at first.
> >
> > Can you provide your basic network layout, ASCII drawings are fine.
> Showing the private IP address can be helpful as well.
> >
> > Given the single interface, my hunch is the AstLinux external interface
> is on the same private subnet as your IP phones, and the DHCP server is not
> AstLinux but rather some upstream router and your problems begin there.
> >
> > Tip: rather than using wireshark, "tcpdump"
> https://danielmiessler.com/study/tcpdump/  is available on AstLinux, a
> worthy skill to have.
> >
> > Lonnie
> >
> >
> > On Oct 18, 2015, at 11:26 AM, Nicholas Mace <nick@...> wrote:
> >
> > > Hello. I'm having a problem setting up an AstLinux server and I would
> be
> > > very grateful if anyone out there could help. To be honest, I think my
> > > problem is a basic networking issue but I thought I'd start with this
> > > mailing list.
> > >
> > > I have some PolyCom SoundPoint IP 330 phones. When I plug them in, they
> > > successfully get an IP address from my router and they certainly appear
> > > to receive DHCP option 66 to point them to the AstLinux server, but
> they
> > > fail to connect to the server. I can browse to the phone's webpage from
> > > my desktop PC (Windows 7) and I can ping the phones from my desktop PC.
> > > I've tried pinging and wget from the AstLinux server, but I get
> nothing.
> > > The arp table shows:
> > >     ? (192.168.1.12) at <incomplete> on eth0
> > > I'm doing all this through shh (PuTTY) running on my desktop PC, so my
> > > desktop can connect to the AstLinux server. My AstLinux server can
> > > successfully ping both my desktop PC, my wireless access point and the
> > > BBC website. I've used Wireshark on my desktop to watch the arp
> packets:
> > > the AstLinux server certainly sends the request; I can't see the
> > > response, but that's presumably because the switch sends it out only on
> > > the port that the AstLinux server is connected to.
> > >
> > > The AstLinux server is built from a low-power Core 2 Duo micro-ATX
> board
> > > with networking integrated into the chipset. There's only 1 ethernet
> > > port. I had to manually enable the sky module to get networking going
> > > initially.
> > >
> > > Anyone got any ideas? Many thanks.
> > >
> > > Nick
>
>
>
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