Mailinglist Archive: opensuse (3138 mails)

["Tony Assan" <tony@xxxxxxxxxxxxxxxxx>]

----- Original Message -----
From: "Ken Schneider" <suse-list@xxxxxxxxxxxxx>
To: "SuSE email list" <suse-linux-e@xxxxxxxx>
Sent: Thursday, December 02, 2004 1:37 PM
Subject: Re: [SLE] cat > ser0


> On Thu, 2004-12-02 at 07:44, Tony Assan wrote:
> > I'm trying to monitor packets from a cisco's interface using tcpdump.
I'm
> > pushing traffic from my linux box's serial interface to the cisco's
serial.
>
> Pushing traffic? Or are you trying to configure the Cisco router?
> Try using seyon on the linux box to connect to the serial interface on
> the Cisco router.

I'm sending traffic to the cisco. Cisco is already configured. I just want
to see how the cisco is handling the data it is receiving from the linux
serial device. So it is just a test data i'm sending from the linux box
through the cisco.


>
> > The configuration in the cisco will wrap the serial and forward it as
IP.
>
> What do you mean by "wrap the serial"?

OK. I'm sending serial traffic from serial devices over an IP network. So
the cisco will receive the serial stream on its serial port and 'wrap it
with' IP to the destination cisco. The destination cisco will then unwrap
the packets and deliver serial via its serial port to another serial device.

What I want to do is to monitor the IP packets in the cisco to figure out
sizes of the wrapped packets. That's all.
So I just wand to generate some serial traffic from the linux box into the
cisco, and I needa simple linux command to help me with that. A fried
suggested I could use cat filename > serial port.  But both he and I don't
know the correct syntax.


>
>
> --
> Ken Schneider
> UNIX since 1989
> SuSE since 1998
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