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List: freebsd-atm
Subject: Re: Inverse ARP on PVCs again
From: Mike Spengler <mks () networkcs ! com>
Date: 1999-05-05 19:20:17
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Titus von Boxberg said:
> Hi,
>
> Thanks for your replies.
> Still I got problems with the PVC which requires
> inverse ARP. Maybe I got a configuration
> problem?
> Currently I'm using
> - FreeBSD 3.1
> - atm set netif...
> - atm attach .. UNI31
> - atm set prefix .. (to get UNI to the INIT state)
> - ifconfig at0 ...
> - atm add PVC ... LLC .. dynamic
>
> Because it may be that the driver at the
> distant end of the PVC is broken:
> I was unable to locate the HARP code which actually
> implements Inverse ARP requests and replies.
> Maybe someone could point me to that code?
>
First, a few more requests:
What kind of system is at the other end of the PVC?
Please send along the output of:
atm sh conf
atm sh int
atm sh net
atm sh vcc
atm sh ipvcc
The code that implements ATMARP is in src/sys/netatm/uni/uniarp*.
The Inverse ATMARP processing for dynamic IP PVCs gets started in
uniarp_vcm.c:uniarp_pvcopen() via the call to uniarp_inarp_req(). If you
want to trace the ATMARP packets, you need to:
o compile your kernel with 'options DIAGNOSTIC'
o gdb -k -wcore /kernel /dev/mem
set uniarp_print = 1
set atm_print_data = 1
This will spew ATMARP packet dumps via kernel printf()'s - not pretty, but it
works.
--
Mike Spengler Network Computing Services, Inc.
Email: mks@networkcs.com 1200 Washington Ave. So.
Phone: +1 612 337 3557 Minneapolis MN 55415
FAX: +1 612 337 3400 (aka Minnesota Supercomputer Center)
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