Michael Greene wrote:
> I have a couple questions I haven't really been able to answer.
>
> First interface numbering, how is it hard coded into OS/2? Lan0-Lan7
> (0-7), lo (9), and Slip/PPP 10 and up? What is interface 8?
>
> I used os2_ioctl and ioctl in a program to gather interface information.
> Here is an example from the system I am using.
>
> Interface 9 Software Loopback IFname lo
>
> physical address 00:00:00:00:00:00
> ethernet address 127.0.0.1
> broadcast address 127.0.0.1
> interface mask 255.0.0.0
>
> Type: HT_PPP (24) Status: UNKNOWN (0) MTU: 1536
>
> Interface 0 Ethernet-Csmacd IFname lan0
>
> physical address 00:d0:b7:c0:7a:40
> ethernet address 192.168.1.2
> broadcast address 192.168.1.255
> interface mask 255.255.255.0
>
> Type: HT_ETHER (6) Status: UP (1) MTU: 1500
>
> Notice that Interface 9 (lo) has a description of Software Loopback. I
> did this because the actual return was Ethernet-Csmacd. Also, hardware
> type is HT_PPP (24). Here is and example of what a person using a dialup
> connection sent me:
>
> Interface 10 IFname ppp0
>
> physical address 00:00:00:00:00:00
> ethernet address 207.96.195.206
> broadcast address 207.96.195.6
> interface mask 255.255.255.255
>
> Type: HT_SLIP Status: UNKNOWN MTU: 1500
>
> Notice there is no description name and the interface name is ppp0 but
> hardware type is HT_SLIP. Also, no loopback is configured.
>
> Anyone have any details on how interfaces are numbered?
>
>

I hate when I post a question and then find part of the answer! It's not
hardware type but iftype (RFC 1213).

--
M Greene

IRC (MikeG)

OS/2 Stuff : http://members.cox.net/greenemk/os2/
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