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Subject: Re: Retrieving kernel-allocated cipe device name
From: Wolfgang Ailec <W.Ailec,AT,awe,DOT,at>
Date: Wed, 4 Dec 2002 20:54:15 +0100
In-reply-to: <20021204193300.75458.qmail@web11702.mail.yahoo.com>

the script /etc/cipe/ip-up will be executed for each
device that comes up with some parameters, one of
them is the allocated device name.
Parameter list:
#  $1 interface     the CIPE interface        <--------
#  $2 myaddr        our UDP address
#  $3 daemon-pid    the daemon's process ID
#  $4 local         IP address of our CIPE device
#  $5 remote        IP address of the remote CIPE device
#  $6 arg           argument supplied via options

retrieved from sample ip-up script.


At 11:33 04.12.2002 -0800, R. Steve McKown wrote:
>Hi all,
>For my application, I wish ciped-cb to allocate a free
>cipe device without specifically providing one.  I see
>the kernel module supports this.  However, I need to
>be able to 'query' the ciped-cb process to determine
>the device name (or index) that was assigned, because
>there are other actions that must be taken which
>require the device name.
>Is there a way to do this?
>I've seen this handled before by having the daemon
>process rewrite its command line to the name of the
>device it handles.  If done for cipe, a ciped-cb ps
>listing might look like:
>smckown  11208 26631  0 11:51 pts/10   00:00:00
>If there already isn't a good method to get the
>allocated device, does the above approach have any
>merit?  Are there a lot of existing management scripts
>that depend upon the command line as shown by ps?  Is
>there a better alternative?
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Ing. Wolfgang Ailec, ACP IT Solutions GmbH
(vormals INTAKT Telekommunikation GmbH)
Faerberberg 69             A-8330 Feldbach
email: ailec,AT,awe,DOT,at, wolfgang.ailec,AT,acp,DOT,at
Tel.No.: +43 3152 30300
Fax.No.: +43 2235 4362211
WWW : <http://www.intakt.at/>

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