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Today's Topics:

   1. connman multiple IP address support? (Paul Bieganski)
   2. Re: Confusion about ublox toby-L2 IP configuration (Eric Grunt)


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Message: 1
Date: Wed, 25 Jan 2017 16:29:51 -0600
From: Paul Bieganski <[email protected]>
To: [email protected]
Subject: connman multiple IP address support?
Message-ID:
        <CAOyF5AOAXDKEqYLde=gszrxwranaexxznkq+he0lxzhjgjo...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hello,

It appears that connman does not support multiple IP addresses on the same
interface (wired or wifi) - this is what is sometimes referred to as "IP
aliasing".

Can anyone please confirm if that's indeed the case and if there are any
plans to support it. This is a key function for us (and many embedded
devices) and seems like an unfortunate oversight.

Thank you.
Paul
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Message: 2
Date: Thu, 26 Jan 2017 17:35:26 +0200
From: Eric Grunt <[email protected]>
To: [email protected]
Subject: Re: Confusion about ublox toby-L2 IP configuration
Message-ID:
        <cadb9fjhzczyewqkd+h+aztvbbudrrzhn__sa09msti-fu5a...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

> Can you post what oFono tells ConnMan? I think that would be the output
> of ofono/test/list-contexts. It sounds like ConnMan gets something
> wrong.

# ./list-contexts
[ /ublox_0 ]
    [ /ublox_0/context1 ]
        AuthenticationMethod = chap
        AccessPointName = internet.t-mobile
        Protocol = ip
        Name = Internet
        Username = XXX
        Type = internet
        Password = YYY
        Settings = { Gateway=10.35.243.229 Netmask=255.255.255.255
Interface=wwan0 Method=static Address=10.35.243.229
DomainNameServers=10.74.210.210,10.74.210.211, }
        Active = 1
        IPv6.Settings = { }

Result is:

wwan0     Link encap:Ethernet  HWaddr e6:43:fd:2a:44:aa
          inet addr:10.35.243.229  Bcast:10.35.243.229  Mask:255.255.255.255
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:6 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:384 (384.0 B)  TX bytes:650 (650.0 B)

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
0.0.0.0         10.35.243.229   0.0.0.0         UG    0      0        0
wwan0
10.35.243.229   0.0.0.0         255.255.255.255 UH    0      0        0
wwan0
10.74.210.210   10.35.243.229   255.255.255.255 UGH   0      0        0
wwan0
10.74.210.211   10.35.243.229   255.255.255.255 UGH   0      0        0
wwan0


> Also the debug output of the ofono plugin would be great
Attached it.

> I haven't played with those toby-L2 devices. Just looked quickly at a
> PDF [1]. I guess you are referring to Figure 3 and 4? At least 3 should
> work.

No, to figure 2 (bridged mode).

I would prefer router mode as in figure 3, but
in plugins/ublox.c, ofono states, that it does not support it (yet).

                /* use bridged mode until routed mode support is added */
                g_at_chat_send(data->aux, "AT+UBMCONF=2", none_prefix,
                                                NULL, NULL, NULL);

AT+UBMCONF=2 changes the device's configuration to bridged.
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