I'm not 100% sure of the relevance, but for the fun of it I put
these 2 into Google:

1) ["interface ip0"]

    Allied Telesyn Residential Gateway ...
    ...
    ip set interface ip0 dhcp enabled


    Solaris Mobile IP: Design and Implementation
    February, 1998
    ...
    ip0 - an interface created when the Mobile IP code plumbs ...

2) [/dev/ip0]

    Minix have routing incorporated into the inet code.
    ip address 192.31.231.250 and netmask 255.255.255.0 on /dev/ip0

    Installation Guide (Solaris)
    PRIMECLUSTER(TM) Installation Guide (Solaris)
    Cluster interconnect
    Setting up CF over IP
    ... /dev/ip0 ...

There was some more that may be relevant to others.

None of them go back to 1996, but I'd say that rather they hint that
the test might hit again.

Another observation is that net-snmp-5.2.1 has no other referense to
"sunV3" then in some "#ifdef" - it doesn't show in e.g. ./configure.
So, I think we're safe keeping it with "#ifdef sunV3" only and later
on we probably should remove that piece of code entirely.

        Gunnar

>From [EMAIL PROTECTED]  Tue Jun  7 16:47:28 2005
>Date: Tue, 7 Jun 2005 10:46:36 -0400
>From: Robert Story <[EMAIL PROTECTED]>
>To: Gunnar Lindberg <[EMAIL PROTECTED]>
>Cc: [email protected], [EMAIL PROTECTED]
>Subject: Re: Fwd: Linux 2.6 IPv6 interface "ip6tnl0"
>Message-ID: <[EMAIL PROTECTED]>
>In-Reply-To: <[EMAIL PROTECTED]>
>References: <[EMAIL PROTECTED]>
>       <[EMAIL PROTECTED]>
>Reply-To: [email protected]

>On Tue, 7 Jun 2005 09:08:15 +0200 (MEST) Gunnar wrote:
>GL> cmu-snmp2.1.2/agent/snmp_vars.c
>GL> 
>GL>   2128  #ifdef sunV3
>GL>   2133  int Interface_Scan_Next(Index, Name, Retifnet)
>GL>    ...
>GL>   2148              if (strcmp(saveName, "ip") == 0) {
>GL>   2149                  ifnetaddr = ifnet.if_next;
>GL>   2150                  continue;
>GL> 
>GL> So, that test has been around for a while - 1996 "#ifdef sunV3" later
>GL> updated to "#if defined(sunV3) || defined(linux)". An "educated guess"
>GL> would be that this piece of code *might* have been needed in "sunV3"
>GL> and that it was kept with "linux" since "it did no harm".

>hrmm... I wonder what the issue is on sunV3.



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